Tag Archives: transmission gear

China factory Small Nmrv Worm Gearbox 1: 20 Ratio Worm Shaft Reducer Transmission Gearbox RV Series Worm Gear Reduction Gearbox gearbox design

Product Description

Small nmrv worm gearbox(motovario like nmrv30-nmrv130)

Description:
 

NMRV Series Worm Gear Motor contains worm gear reducer and motor(Including 3 phrese AC motor,single AC motor,DC servo motor and DC PM motor).The square aluminum gearbox is manufactured based on GB157188 cylindrical gear parameter.During the process, many advanced technologies are adopted.So it has compact structure, good appearance and excellent heatsink when runing.

 

This series motor has the following characteristics:smooth running, low noise, large transmission ratio and strange loadcapacity  and it may match with different kinds of motors for realizing speed adjustment.

Characteristics:
1:Use low-carbon Aluminium Alloy cementation processing completely.
2:High precision on gear and gear shaft.
3:Small volume with big torque.

Parameters:

Type: Aluminium Worm reducer
Model: Center Distance:25,30,40,50,63,75,90,110,130
Ratio: 5,7.5,10,15,20,25,30,40,50,60,80,100
Color: Blue/Silver White
Material: Aluminium Alloy
Worm Gear- Cooper-10-3
Worm-20CrMnTi with carburizing and quenching, surface hardness is 56-62HRC
Shaft-chromium steel-45
Packing: Carton box/per set(With foam board inside)
Bearing: high quality Bearing
Seal: high quality seals
Warranty: 1 year
Input Power: 0.1kw,0.55kw,0.75kw,1.1kw,1.5kw,2.2kw,4kw,5.5kw,7.5kw
Usages:

In industrial machine: widely used in packing, printing,textile machine,as well as

 woodworking,glass and plastics,food stuff,ceramics,chemical,etc.

IEC Flange: B5,B14
Lubricant: Synthetic & Mineral

Maintance:
1:After 300-hours operation, please change the oil, and flush the gear uint with suitable detergents.
2: Please do not mix the mineral oil and synthetic oil.

3.No more than 4000m above sea level.

4.Ambient temperature:-25~40degree.

5.Relative humidity ≤95%(at +25degree).

6.The followed temperature rise: no more than 75K(when 1000m above sea level)degree

Packing & Delivery:
Packing Images of RV series Worm Gear rv Reducer rv gear worm wheel gearbox
Inner Packing: PP bag with carton;
Outer Packing: Wooden case;
Shipment: 20-30 days CHINAMFG receiving the deposit.

FAQ:
Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks in PDF or AI format.

Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 5: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 6: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Industry
Function: Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Customization:
Available

|

Customized Request

nmrv gearbox

Cost of an NMRV Gearbox

The cost of an NMRV gearbox can vary widely depending on factors such as type, size, quality, brand, features, customization, materials, construction, and market demand. As of my last update in September 2021, prices can range from tens of dollars for standard models to several hundred dollars or more for larger or specialized configurations. It's important to obtain quotes from various suppliers and manufacturers for an accurate cost estimate.

nmrv gearbox

Lifespan of an NMRV Gearbox

The lifespan of an NMRV (worm gear) gearbox can vary based on several factors, including the quality of manufacturing, proper maintenance practices, operating conditions, and the specific application it is used for. However, when designed, manufactured, and maintained properly, NMRV gearboxes can have a long and reliable service life.

High-quality NMRV gearboxes that are made from durable materials, precisely machined, and assembled with care tend to have a longer lifespan. Regular maintenance, including proper lubrication, inspection, and addressing any signs of wear or damage, can significantly extend the gearbox's operational life.

The operating conditions in which the gearbox is used also play a role in determining its lifespan. Factors such as load, temperature, speed, and environment can impact the wear and tear on the gearbox components.

It's important to follow the manufacturer's recommendations for maintenance intervals and procedures to ensure optimal performance and longevity of the NMRV gearbox. By adhering to these guidelines and addressing any issues promptly, users can expect an NMRV gearbox to provide reliable service for many years.

nmrv gearbox

Choosing the Right Size NMRV Gearbox for Your Application

Selecting the appropriate size NMRV gearbox for your application involves considering several important factors:

  • Input Power: Determine the power requirement of your application, including both the input speed and the required output torque.
  • Service Factor: Take into account any potential overloads or unexpected conditions that may occur during operation. Applying a service factor ensures the gearbox can handle occasional peak loads.
  • Output Speed: Calculate the desired output speed of the gearbox. This is crucial for ensuring the gearbox meets the requirements of your application.
  • Operating Conditions: Consider the environmental conditions in which the gearbox will operate, including temperature, humidity, and exposure to dust or chemicals.
  • Mounting and Space: Evaluate the available space for mounting the gearbox and ensure it fits within the allotted dimensions.
  • Shaft Configuration: Determine whether the gearbox requires a specific shaft configuration or if additional components such as couplings are needed.
  • Application Type: Consider the type of application the gearbox will be used in, such as conveyor systems, agitators, mixers, or other specific applications.
  • Load Characteristics: Analyze the load characteristics, including the type of load (constant, intermittent, shock), to ensure the gearbox can handle the load variations.

It's essential to work closely with gearbox manufacturers or distributors who can provide technical support and assist in selecting the right size NMRV gearbox based on your specific application requirements.

China factory Small Nmrv Worm Gearbox 1: 20 Ratio Worm Shaft Reducer Transmission Gearbox RV Series Worm Gear Reduction Gearbox   gearbox design		China factory Small Nmrv Worm Gearbox 1: 20 Ratio Worm Shaft Reducer Transmission Gearbox RV Series Worm Gear Reduction Gearbox   gearbox design
editor by CX 2024-04-03

China supplier Nmrv Power Drive Worm Gear Transmission Reduction Right Angle Gearbox synchromesh gearbox

Product Description

Nmrv Power Drive Worm Gear Transmission Reduction Right Angle Gearbox

Product Description

1. Light in weight and non-rusting

2. Smooth in running, can work a long time in dreadful conditions
3. High efficiency, low noise
4. Good-looking in appearance, durable in service life, and small in volume

Detailed Photos

 

 

Product Parameters

 

Model 571 ~ 150
Power 0.06kw ~ 15kw
Input speed 750rpm ~ 2000rpm
Reduction ratio 1/5 ~ 1/100
Input motor AC (1 phase or 3 phase) / DC / BLDC / Stepper / Servo
Output shaft Solid shaft / Hollow shaft / Output flange…
Dimension standard Metric size / Inch size
Material of housing die-cast aluminum / Cast iron / Stainless steel
Accessories Flange / CHINAMFG shaft / Torque arm / Cover …

Our Advantages

 

Company Profile

 

FAQ

Q: Can you make the gear unit with customization?
A: Yes, we can customize per your request, like flange, shaft, configuration, material, etc.

Q: Do you provide samples?
A: Yes. The sample is available for testing.

Q: What is your MOQ?
A: It is 10pcs for the beginning of our business.

Q: What's your lead time?
A: Standard products need s, a bit longer for customized products.

Q: Do you provide technical support?
A: Yes. Our company has a design and development team, we can provide technical support if you
need.

Q: How to ship to us?
A: It is available by air, by sea, or by train.

Q: How to pay the money?
A: T/T and L/C are preferred, with a different currency, including USD, EUR, RMB, etc.

Q: How can I know if the product is suitable for me?
A: >1ST confirm drawing and specification >2nd test sample >3rd start mass production.

Q: Can I come to your company to visit?
A: Yes, you are welcome to visit us at any time.

Q: How shall we contact you?
A: You can send an inquiry directly, and we will respond within 24 hours.

  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Machinery, Marine, Agricultural Machinery
Function: Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Right Angle
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|

Order Sample

1pc for the normal type and design
Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

nmrv gearbox

Using NMRV Gearboxes in High-Load Applications

NMRV gearboxes can be used in moderate to high-load applications, but their load capacity is generally limited compared to some other gearbox types. They are best suited for applications with light to moderate loads, such as conveyor systems, packaging equipment, and small machinery. It's important to consider the specific load requirements and consult with gearbox manufacturers or engineers to ensure the chosen NMRV gearbox can handle the intended application's load demands.

nmrv gearbox

Maintenance and Service of an NMRV Gearbox

Maintaining and servicing an NMRV (worm gear) gearbox is essential to ensure its proper functioning, longevity, and reliability. Here are the steps and practices involved in maintaining and servicing an NMRV gearbox:

  • Lubrication: Regularly lubricate the gearbox as per the manufacturer's recommendations. Use the appropriate lubricant to ensure smooth operation and to reduce friction and wear between the gear components.
  • Inspection: Periodically inspect the gearbox for any signs of wear, damage, or leaks. Check for unusual noises, vibrations, or overheating during operation.
  • Cleaning: Keep the gearbox and its surrounding area clean to prevent the buildup of dirt, debris, or contaminants that could potentially affect its performance.
  • Tighten Fasteners: Check and tighten any fasteners, bolts, or screws that might have loosened due to vibrations during operation.
  • Seal Inspection: Examine the seals and gaskets for signs of wear or leakage. Replace them if necessary to prevent oil leaks or ingress of contaminants.
  • Temperature Monitoring: Monitor the operating temperature of the gearbox. Excessive heat can lead to premature wear and damage. Ensure proper ventilation and cooling if required.
  • Address Issues Promptly: If you notice any unusual behavior, noise, or performance issues with the gearbox, address them promptly. Ignoring problems can lead to more significant damage over time.
  • Replace Worn Parts: If any components, such as gears, bearings, or seals, are worn or damaged, replace them with genuine manufacturer-approved parts.
  • Professional Service: For more extensive servicing, repairs, or overhauls, consult a professional with expertise in gearbox maintenance. They can disassemble, inspect, and reassemble the gearbox accurately.

By following these maintenance and servicing practices, you can ensure that your NMRV gearbox remains in optimal condition, delivering reliable performance and an extended operational lifespan.

nmrv gearbox

Choosing the Right Size NMRV Gearbox for Your Application

Selecting the appropriate size NMRV gearbox for your application involves considering several important factors:

  • Input Power: Determine the power requirement of your application, including both the input speed and the required output torque.
  • Service Factor: Take into account any potential overloads or unexpected conditions that may occur during operation. Applying a service factor ensures the gearbox can handle occasional peak loads.
  • Output Speed: Calculate the desired output speed of the gearbox. This is crucial for ensuring the gearbox meets the requirements of your application.
  • Operating Conditions: Consider the environmental conditions in which the gearbox will operate, including temperature, humidity, and exposure to dust or chemicals.
  • Mounting and Space: Evaluate the available space for mounting the gearbox and ensure it fits within the allotted dimensions.
  • Shaft Configuration: Determine whether the gearbox requires a specific shaft configuration or if additional components such as couplings are needed.
  • Application Type: Consider the type of application the gearbox will be used in, such as conveyor systems, agitators, mixers, or other specific applications.
  • Load Characteristics: Analyze the load characteristics, including the type of load (constant, intermittent, shock), to ensure the gearbox can handle the load variations.

It's essential to work closely with gearbox manufacturers or distributors who can provide technical support and assist in selecting the right size NMRV gearbox based on your specific application requirements.

China supplier Nmrv Power Drive Worm Gear Transmission Reduction Right Angle Gearbox   synchromesh gearbox	China supplier Nmrv Power Drive Worm Gear Transmission Reduction Right Angle Gearbox   synchromesh gearbox
editor by CX 2024-01-31

China manufacturer Nmrv Series Speed Reduction Worm Gear Transmission Gearbox with Hot selling

Product Description

 

Product Description

Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer's thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1

Detailed Photos

Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS

Exploded View:

Product Parameters

 
Old Model     
  New Model     Ratio     Center Distance  Power Input Dia.  Output Dia.    Output Torque Weight
RV571     7.5~100   25mm   0.06KW~0.12KW  Φ9 Φ11 21N.m  0.7kgs
RV030 RW030 7.5~100 30mm   0.06KW~0.25KW Φ9(Φ11) Φ14 45N.m  1.2kgs
RV040 RW040 7.5~100 40mm   0.09KW~0.55KW Φ9(Φ11,Φ14) Φ18(Φ19) 84N.m  2.3kgs
RV050 RW050 7.5~100 50mm   0.12KW~1.5KW Φ11(Φ14,Φ19) Φ25(Φ24) 160N.m  3.5kgs
RV063 RW063 7.5~100 63mm   0.18KW~2.2KW Φ14(Φ19,Φ24) Φ25(Φ28) 230N.m  6.2kgs
RV075 RW075 7.5~100 75mm   0.25KW~4.0KW Φ14(Φ19,Φ24,Φ28)  Φ28(Φ35) 410N.m  9.0kgs
RV090 RW090 7.5~100 90mm   0.37KW~4.0KW Φ19(Φ24,Φ28) Φ35(Φ38) 725N.m  13.0kgs
RV110 RW110 7.5~100 110mm   0.55KW~7.5KW Φ19(Φ24,Φ28,Φ38)   Φ42 1050N.m  35.0kgs
RV130 RW130 7.5~100 130mm   0.75KW~7.5KW Φ24(Φ28,Φ38) Φ45 1550N.m  48.0kgs
RV150 RW150 7.5~100 150mm     2.2KW~15KW Φ28(Φ38,Φ42) Φ50   84.0kgs

GMRV Outline Dimension:

GMRV A B C C1 D(H8) E(h8) F G G1 H H1 I M N O P Q R S T BL β b t V  
030 80 97 54 44 14 55 32 56 63 65 29 55 40 57 30 75 44 6.5 21 5.5 M6*10(n=4) 5 16.3 27
040 100 121.5 70 60 18(19) 60 43 71 78 75 36.5 70 50 71.5 40 87 55 6.5 26 6.5 M6*10(n=4) 45° 6 20.8(21.8) 35
050 120 144 80 70 25(24) 70 49 85 92 85 43.5 80 60 84 50 100 64 8.5 30 7 M8*12(n=4) 45° 8 28.3(27.3) 40
063 144 174 100 85 25(28) 80 67 103 112 95 53 95 72 102 63 110 80 8.5 36 8 M8*12(n=8) 45° 8 28.3(31.3) 50
075 172 205 120 90 28(35) 95 72 112 120 115 57 112.5 86 119 75 140 93 11 40 10 M8*14(n=8) 45° 8(10) 31.3(38.3) 60
090 206 238 140 100 35(38) 110 74 130 140 130 67 129.5 103 135 90 160 102 13 45 11 M10*16(n=8) 45° 10 38.3(41.3) 70
110 255 295 170 115 42 130 - 144 155 165 74 160 127.5 167.5 110 200 125 14 50 14 M10*18(n=8) 45° 12 45.3 85
130 293 335 200 120 45 180 - 155 170 215 81 179 146.5 187.5 130 250 140 16 60 15 M12*20(n=8) 45° 14 48.8 100
150 340 400 240 145 50 180 - 185 200 215 96 210 170 230 150 250 180 18 72.5 18 M12*22(n=8) 45° 14 53.8  120  

Company Profile

About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is  full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

 Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia 

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
   A: Yes, we offer customized service for customers accordingly. We can use customer's nameplate for gearboxes.
2.Q:What is your terms of payment ?
   A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
   A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What's your production capacity?
   A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
   A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
   A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

nmrv gearbox

Calculating Torque Requirements for an NMRV Gearbox

Calculating torque requirements for an NMRV gearbox involves several steps: Identify Input Torque, Calculate Output Torque, Consider Efficiency, and Add Safety Margin.

  1. Identify Input Torque: Determine the input torque required by the application, taking into account factors such as load, speed, and efficiency.
  2. Calculate Output Torque: Use the gear ratio of the NMRV gearbox to calculate the output torque needed to achieve the desired output speed.
  3. Consider Efficiency: Take into account the efficiency of the NMRV gearbox. The actual output torque will be influenced by the gearbox's mechanical efficiency.
  4. Add Safety Margin: To ensure reliable performance and account for variations in operating conditions, it's recommended to add a safety margin to the calculated torque requirements.

Formula to calculate output torque: Output Torque = Input Torque × Gear Ratio × Gearbox Efficiency

Keep in mind that torque requirements can vary based on the specific application and factors such as load type, duty cycle, and environmental conditions. Consulting with gearbox manufacturers or engineering experts can help ensure accurate torque calculations for your NMRV gearbox application.

nmrv gearbox

Lubrication for an NMRV Gearbox

Lubrication is essential for the proper functioning and longevity of an NMRV gearbox. The type and amount of lubricant required may vary depending on the gearbox model and manufacturer. Here are the general lubrication practices:

  • Recommended Lubricants: Use the lubricants specified by the gearbox manufacturer. Typically, high-quality gear oils with the appropriate viscosity and additives are recommended.
  • Initial Fill: Prior to the gearbox's first operation, ensure that it is properly filled with the recommended lubricant to the correct level. Follow the manufacturer's guidelines for the proper quantity.
  • Lubricant Change: Regularly change the lubricant according to the manufacturer's recommended intervals. Over time, lubricants can degrade due to heat and contamination, which can affect gearbox performance.
  • Temperature Considerations: Gearboxes operating in extreme temperatures may require lubricants with specific temperature ranges to ensure proper viscosity and protection.
  • Checking Levels: Periodically check the lubricant level in the gearbox to ensure it is within the specified range. This can prevent damage caused by insufficient lubrication.
  • Oil Analysis: Some gearbox systems benefit from regular oil analysis to monitor lubricant condition and identify potential issues before they cause significant damage.

Proper lubrication practices contribute to reduced friction, wear, and heat generation within the NMRV gearbox, leading to improved efficiency and extended lifespan.

nmrv gearbox

Key Features of an NMRV Gearbox

NMRV gearboxes, also known as worm gear reducers, offer several key features that make them suitable for various applications:

  • Compact Design: NMRV gearboxes are known for their compact and space-saving design, making them ideal for installations with limited space.
  • High Efficiency: These gearboxes offer relatively high efficiency levels, which ensures efficient power transmission and reduced energy loss.
  • Speed Reduction: NMRV gearboxes are primarily used for speed reduction applications, where the input speed is reduced while torque is increased.
  • Torque Multiplication: The worm and worm wheel mechanism allows for torque multiplication, making NMRV gearboxes suitable for applications requiring high torque output.
  • Self-Locking: The helical design of the worm causes self-locking, preventing the output shaft from back-driving the input shaft and providing mechanical locking.
  • Smooth Operation: NMRV gearboxes offer smooth and quiet operation, making them suitable for applications where noise reduction is important.
  • Wide Range of Ratios: These gearboxes come in a wide range of gear ratios, allowing users to select the appropriate ratio for their specific application.
  • Low Maintenance: The simple design and few moving parts contribute to the low maintenance requirements of NMRV gearboxes.
  • Versatility: NMRV gearboxes are versatile and can be used in various industries and applications, including conveyor systems, food processing, packaging, and more.

It's important to consider these key features when selecting an NMRV gearbox for your specific application to ensure optimal performance and efficiency.

China manufacturer Nmrv Series Speed Reduction Worm Gear Transmission Gearbox   with Hot selling		China manufacturer Nmrv Series Speed Reduction Worm Gear Transmission Gearbox   with Hot selling
editor by CX 2023-12-28

China supplier Nmrv Reduction Worm Gear Reducer Industrial Speed Transmission Belt Gearbox car gearbox

Product Description

 

Product Description

Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer's thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1

Detailed Photos

Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS

Exploded View:

Product Parameters

 
Old Model     
  New Model     Ratio     Center Distance  Power Input Dia.  Output Dia.    Output Torque Weight
RV571     7.5~100   25mm   0.06KW~0.12KW  Φ9 Φ11 21N.m  0.7kgs
RV030 RW030 7.5~100 30mm   0.06KW~0.25KW Φ9(Φ11) Φ14 45N.m  1.2kgs
RV040 RW040 7.5~100 40mm   0.09KW~0.55KW Φ9(Φ11,Φ14) Φ18(Φ19) 84N.m  2.3kgs
RV050 RW050 7.5~100 50mm   0.12KW~1.5KW Φ11(Φ14,Φ19) Φ25(Φ24) 160N.m  3.5kgs
RV063 RW063 7.5~100 63mm   0.18KW~2.2KW Φ14(Φ19,Φ24) Φ25(Φ28) 230N.m  6.2kgs
RV075 RW075 7.5~100 75mm   0.25KW~4.0KW Φ14(Φ19,Φ24,Φ28)  Φ28(Φ35) 410N.m  9.0kgs
RV090 RW090 7.5~100 90mm   0.37KW~4.0KW Φ19(Φ24,Φ28) Φ35(Φ38) 725N.m  13.0kgs
RV110 RW110 7.5~100 110mm   0.55KW~7.5KW Φ19(Φ24,Φ28,Φ38)   Φ42 1050N.m  35.0kgs
RV130 RW130 7.5~100 130mm   0.75KW~7.5KW Φ24(Φ28,Φ38) Φ45 1550N.m  48.0kgs
RV150 RW150 7.5~100 150mm     2.2KW~15KW Φ28(Φ38,Φ42) Φ50   84.0kgs

GMRV Outline Dimension:

GMRV A B C C1 D(H8) E(h8) F G G1 H H1 I M N O P Q R S T BL β b t V  
030 80 97 54 44 14 55 32 56 63 65 29 55 40 57 30 75 44 6.5 21 5.5 M6*10(n=4) 5 16.3 27
040 100 121.5 70 60 18(19) 60 43 71 78 75 36.5 70 50 71.5 40 87 55 6.5 26 6.5 M6*10(n=4) 45° 6 20.8(21.8) 35
050 120 144 80 70 25(24) 70 49 85 92 85 43.5 80 60 84 50 100 64 8.5 30 7 M8*12(n=4) 45° 8 28.3(27.3) 40
063 144 174 100 85 25(28) 80 67 103 112 95 53 95 72 102 63 110 80 8.5 36 8 M8*12(n=8) 45° 8 28.3(31.3) 50
075 172 205 120 90 28(35) 95 72 112 120 115 57 112.5 86 119 75 140 93 11 40 10 M8*14(n=8) 45° 8(10) 31.3(38.3) 60
090 206 238 140 100 35(38) 110 74 130 140 130 67 129.5 103 135 90 160 102 13 45 11 M10*16(n=8) 45° 10 38.3(41.3) 70
110 255 295 170 115 42 130 - 144 155 165 74 160 127.5 167.5 110 200 125 14 50 14 M10*18(n=8) 45° 12 45.3 85
130 293 335 200 120 45 180 - 155 170 215 81 179 146.5 187.5 130 250 140 16 60 15 M12*20(n=8) 45° 14 48.8 100
150 340 400 240 145 50 180 - 185 200 215 96 210 170 230 150 250 180 18 72.5 18 M12*22(n=8) 45° 14 53.8  120  

Company Profile

About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is  full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

 Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia 

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
   A: Yes, we offer customized service for customers accordingly. We can use customer's nameplate for gearboxes.
2.Q:What is your terms of payment ?
   A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
   A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What's your production capacity?
   A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
   A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
   A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Right Angle
Gear Shape: Worm Gear
Step: Double-Step
Samples:
US$ 12/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

nmrv gearbox

Calculating Torque Requirements for an NMRV Gearbox

Calculating torque requirements for an NMRV gearbox involves several steps: Identify Input Torque, Calculate Output Torque, Consider Efficiency, and Add Safety Margin.

  1. Identify Input Torque: Determine the input torque required by the application, taking into account factors such as load, speed, and efficiency.
  2. Calculate Output Torque: Use the gear ratio of the NMRV gearbox to calculate the output torque needed to achieve the desired output speed.
  3. Consider Efficiency: Take into account the efficiency of the NMRV gearbox. The actual output torque will be influenced by the gearbox's mechanical efficiency.
  4. Add Safety Margin: To ensure reliable performance and account for variations in operating conditions, it's recommended to add a safety margin to the calculated torque requirements.

Formula to calculate output torque: Output Torque = Input Torque × Gear Ratio × Gearbox Efficiency

Keep in mind that torque requirements can vary based on the specific application and factors such as load type, duty cycle, and environmental conditions. Consulting with gearbox manufacturers or engineering experts can help ensure accurate torque calculations for your NMRV gearbox application.

nmrv gearbox

Maintenance and Service of an NMRV Gearbox

Maintaining and servicing an NMRV (worm gear) gearbox is essential to ensure its proper functioning, longevity, and reliability. Here are the steps and practices involved in maintaining and servicing an NMRV gearbox:

  • Lubrication: Regularly lubricate the gearbox as per the manufacturer's recommendations. Use the appropriate lubricant to ensure smooth operation and to reduce friction and wear between the gear components.
  • Inspection: Periodically inspect the gearbox for any signs of wear, damage, or leaks. Check for unusual noises, vibrations, or overheating during operation.
  • Cleaning: Keep the gearbox and its surrounding area clean to prevent the buildup of dirt, debris, or contaminants that could potentially affect its performance.
  • Tighten Fasteners: Check and tighten any fasteners, bolts, or screws that might have loosened due to vibrations during operation.
  • Seal Inspection: Examine the seals and gaskets for signs of wear or leakage. Replace them if necessary to prevent oil leaks or ingress of contaminants.
  • Temperature Monitoring: Monitor the operating temperature of the gearbox. Excessive heat can lead to premature wear and damage. Ensure proper ventilation and cooling if required.
  • Address Issues Promptly: If you notice any unusual behavior, noise, or performance issues with the gearbox, address them promptly. Ignoring problems can lead to more significant damage over time.
  • Replace Worn Parts: If any components, such as gears, bearings, or seals, are worn or damaged, replace them with genuine manufacturer-approved parts.
  • Professional Service: For more extensive servicing, repairs, or overhauls, consult a professional with expertise in gearbox maintenance. They can disassemble, inspect, and reassemble the gearbox accurately.

By following these maintenance and servicing practices, you can ensure that your NMRV gearbox remains in optimal condition, delivering reliable performance and an extended operational lifespan.

nmrv gearbox

Installing an NMRV Gearbox

Installing an NMRV gearbox requires careful attention to ensure proper alignment and secure attachment. Here's a general guide to the installation process:

  1. Prepare the Workspace: Ensure you have a clean and organized workspace with the necessary tools and equipment.
  2. Positioning: Place the NMRV gearbox in the desired position on your machinery, making sure it aligns with the input and output components.
  3. Alignment: Ensure that the input shaft of the gearbox is aligned with the driving shaft from the power source. Misalignment can lead to premature wear and reduced efficiency.
  4. Mounting: Securely mount the NMRV gearbox to the machinery frame using appropriate fasteners. Follow the manufacturer's recommendations for torque specifications.
  5. Input Coupling: Connect the input shaft of the gearbox to the driving shaft using a suitable coupling. This coupling should be properly aligned to avoid unnecessary stress on the gearbox components.
  6. Output Coupling: Similarly, connect the output shaft of the gearbox to the driven component using an appropriate coupling.
  7. Lubrication: Before operation, make sure to fill the gearbox with the recommended lubricant to ensure proper gear meshing and reduce friction.
  8. Testing: Run the machinery briefly to check for any unusual noises, vibrations, or leaks. Make any necessary adjustments.

It's crucial to follow the manufacturer's installation guidelines and specifications to ensure a smooth and trouble-free installation process. Proper installation contributes to the longevity and reliable performance of your NMRV gearbox.

China supplier Nmrv Reduction Worm Gear Reducer Industrial Speed Transmission Belt Gearbox   car gearbox	China supplier Nmrv Reduction Worm Gear Reducer Industrial Speed Transmission Belt Gearbox   car gearbox
editor by CX 2023-12-07

China Custom Nmrv Right Angle Worm Transmission Gear Box for Conveyor Belts best automatic gearbox

Product Description

 

Product Description

Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer's thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1

Detailed Photos

Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS

Exploded View:

Product Parameters

 
Old Model     
  New Model     Ratio     Center Distance  Power Input Dia.  Output Dia.    Output Torque Weight
RV571     7.5~100   25mm   0.06KW~0.12KW  Φ9 Φ11 21N.m  0.7kgs
RV030 RW030 7.5~100 30mm   0.06KW~0.25KW Φ9(Φ11) Φ14 45N.m  1.2kgs
RV040 RW040 7.5~100 40mm   0.09KW~0.55KW Φ9(Φ11,Φ14) Φ18(Φ19) 84N.m  2.3kgs
RV050 RW050 7.5~100 50mm   0.12KW~1.5KW Φ11(Φ14,Φ19) Φ25(Φ24) 160N.m  3.5kgs
RV063 RW063 7.5~100 63mm   0.18KW~2.2KW Φ14(Φ19,Φ24) Φ25(Φ28) 230N.m  6.2kgs
RV075 RW075 7.5~100 75mm   0.25KW~4.0KW Φ14(Φ19,Φ24,Φ28)  Φ28(Φ35) 410N.m  9.0kgs
RV090 RW090 7.5~100 90mm   0.37KW~4.0KW Φ19(Φ24,Φ28) Φ35(Φ38) 725N.m  13.0kgs
RV110 RW110 7.5~100 110mm   0.55KW~7.5KW Φ19(Φ24,Φ28,Φ38)   Φ42 1050N.m  35.0kgs
RV130 RW130 7.5~100 130mm   0.75KW~7.5KW Φ24(Φ28,Φ38) Φ45 1550N.m  48.0kgs
RV150 RW150 7.5~100 150mm     2.2KW~15KW Φ28(Φ38,Φ42) Φ50   84.0kgs

GMRV Outline Dimension:

GMRV A B C C1 D(H8) E(h8) F G G1 H H1 I M N O P Q R S T BL β b t V  
030 80 97 54 44 14 55 32 56 63 65 29 55 40 57 30 75 44 6.5 21 5.5 M6*10(n=4) 5 16.3 27
040 100 121.5 70 60 18(19) 60 43 71 78 75 36.5 70 50 71.5 40 87 55 6.5 26 6.5 M6*10(n=4) 45° 6 20.8(21.8) 35
050 120 144 80 70 25(24) 70 49 85 92 85 43.5 80 60 84 50 100 64 8.5 30 7 M8*12(n=4) 45° 8 28.3(27.3) 40
063 144 174 100 85 25(28) 80 67 103 112 95 53 95 72 102 63 110 80 8.5 36 8 M8*12(n=8) 45° 8 28.3(31.3) 50
075 172 205 120 90 28(35) 95 72 112 120 115 57 112.5 86 119 75 140 93 11 40 10 M8*14(n=8) 45° 8(10) 31.3(38.3) 60
090 206 238 140 100 35(38) 110 74 130 140 130 67 129.5 103 135 90 160 102 13 45 11 M10*16(n=8) 45° 10 38.3(41.3) 70
110 255 295 170 115 42 130 - 144 155 165 74 160 127.5 167.5 110 200 125 14 50 14 M10*18(n=8) 45° 12 45.3 85
130 293 335 200 120 45 180 - 155 170 215 81 179 146.5 187.5 130 250 140 16 60 15 M12*20(n=8) 45° 14 48.8 100
150 340 400 240 145 50 180 - 185 200 215 96 210 170 230 150 250 180 18 72.5 18 M12*22(n=8) 45° 14 53.8  120  

Company Profile

About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is  full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

 Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia 

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
   A: Yes, we offer customized service for customers accordingly. We can use customer's nameplate for gearboxes.
2.Q:What is your terms of payment ?
   A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
   A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What's your production capacity?
   A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
   A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
   A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 12/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

nmrv gearbox

Advantages of Using Worm Gear in an NMRV Gearbox

Worm gears offer several advantages when used in an NMRV gearbox:

1. High Reduction Ratio: Worm gears provide a high reduction ratio in a compact form, allowing for significant speed reduction in a single stage.

2. High Efficiency: While worm gears typically have lower mechanical efficiency compared to some other gear types, the design of the NMRV gearbox optimizes efficiency by using a bronze worm gear and a self-locking mechanism that minimizes backdriving.

3. Compact Design: Worm gears have a compact and space-efficient design, making them suitable for applications with limited installation space.

4. Smooth and Quiet Operation: The meshing of worm gears and the helical design of the worm result in relatively smooth and quiet operation.

5. Self-Locking: Worm gears inherently have a self-locking characteristic, meaning that the gear cannot easily be back-driven by the worm. This property is beneficial for applications where holding position without external locking mechanisms is essential.

6. High Torque Capacity: Worm gears can transmit high torque loads, making them suitable for applications that require high torque output.

7. Simple Lubrication: The design of the NMRV gearbox allows for efficient lubrication of the worm gear, ensuring optimal performance and longevity.

These advantages make worm gears a popular choice for NMRV gearboxes in various industrial applications, where their characteristics contribute to reliable and efficient power transmission.

nmrv gearbox

Lubrication for an NMRV Gearbox

Lubrication is essential for the proper functioning and longevity of an NMRV gearbox. The type and amount of lubricant required may vary depending on the gearbox model and manufacturer. Here are the general lubrication practices:

  • Recommended Lubricants: Use the lubricants specified by the gearbox manufacturer. Typically, high-quality gear oils with the appropriate viscosity and additives are recommended.
  • Initial Fill: Prior to the gearbox's first operation, ensure that it is properly filled with the recommended lubricant to the correct level. Follow the manufacturer's guidelines for the proper quantity.
  • Lubricant Change: Regularly change the lubricant according to the manufacturer's recommended intervals. Over time, lubricants can degrade due to heat and contamination, which can affect gearbox performance.
  • Temperature Considerations: Gearboxes operating in extreme temperatures may require lubricants with specific temperature ranges to ensure proper viscosity and protection.
  • Checking Levels: Periodically check the lubricant level in the gearbox to ensure it is within the specified range. This can prevent damage caused by insufficient lubrication.
  • Oil Analysis: Some gearbox systems benefit from regular oil analysis to monitor lubricant condition and identify potential issues before they cause significant damage.

Proper lubrication practices contribute to reduced friction, wear, and heat generation within the NMRV gearbox, leading to improved efficiency and extended lifespan.

nmrv gearbox

Industries Using NMRV Gearboxes

NMRV gearboxes find widespread use in various industries due to their versatility and reliability. Some common industries include:

  • Food and Beverage: NMRV gearboxes are used in conveyor systems, mixers, and packaging equipment.
  • Material Handling: They are employed in conveyor belts, lifting equipment, and automated material handling systems.
  • Automation and Robotics: NMRV gearboxes play a critical role in precise motion control and positioning in robotic systems.
  • Textile: They are used in machinery for spinning, weaving, and fabric processing.
  • Pharmaceutical: NMRV gearboxes are utilized in pill coating machines, mixers, and other pharmaceutical processing equipment.
  • Agriculture: They find applications in irrigation systems, conveyor systems, and various agricultural machinery.
  • Packaging: NMRV gearboxes are used in packaging machinery to ensure controlled movement and accuracy.
  • Automotive: They are used in automated assembly lines and manufacturing processes in the automotive industry.
  • Printing: NMRV gearboxes contribute to precise movement and synchronization in printing machinery.
  • Energy: They are employed in wind turbine systems, solar tracking systems, and other renewable energy applications.

The adaptability and efficiency of NMRV gearboxes make them a preferred choice in industries that require reliable and precise power transmission solutions.

China Custom Nmrv Right Angle Worm Transmission Gear Box for Conveyor Belts   best automatic gearbox	China Custom Nmrv Right Angle Worm Transmission Gear Box for Conveyor Belts   best automatic gearbox
editor by CX 2023-11-29

China Hot selling Smooth Gear Transmission Nmrv 030-150 Wom Gearbox with Great quality

Product Description

 

Product Description

Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer's thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1

Detailed Photos

Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS

Exploded View:

Product Parameters

 
Old Model     
  New Model     Ratio     Center Distance  Power Input Dia.  Output Dia.    Output Torque Weight
RV571     7.5~100   25mm   0.06KW~0.12KW  Φ9 Φ11 21N.m  0.7kgs
RV030 RW030 7.5~100 30mm   0.06KW~0.25KW Φ9(Φ11) Φ14 45N.m  1.2kgs
RV040 RW040 7.5~100 40mm   0.09KW~0.55KW Φ9(Φ11,Φ14) Φ18(Φ19) 84N.m  2.3kgs
RV050 RW050 7.5~100 50mm   0.12KW~1.5KW Φ11(Φ14,Φ19) Φ25(Φ24) 160N.m  3.5kgs
RV063 RW063 7.5~100 63mm   0.18KW~2.2KW Φ14(Φ19,Φ24) Φ25(Φ28) 230N.m  6.2kgs
RV075 RW075 7.5~100 75mm   0.25KW~4.0KW Φ14(Φ19,Φ24,Φ28)  Φ28(Φ35) 410N.m  9.0kgs
RV090 RW090 7.5~100 90mm   0.37KW~4.0KW Φ19(Φ24,Φ28) Φ35(Φ38) 725N.m  13.0kgs
RV110 RW110 7.5~100 110mm   0.55KW~7.5KW Φ19(Φ24,Φ28,Φ38)   Φ42 1050N.m  35.0kgs
RV130 RW130 7.5~100 130mm   0.75KW~7.5KW Φ24(Φ28,Φ38) Φ45 1550N.m  48.0kgs
RV150 RW150 7.5~100 150mm     2.2KW~15KW Φ28(Φ38,Φ42) Φ50   84.0kgs

GMRV Outline Dimension:

GMRV A B C C1 D(H8) E(h8) F G G1 H H1 I M N O P Q R S T BL β b t V  
030 80 97 54 44 14 55 32 56 63 65 29 55 40 57 30 75 44 6.5 21 5.5 M6*10(n=4) 5 16.3 27
040 100 121.5 70 60 18(19) 60 43 71 78 75 36.5 70 50 71.5 40 87 55 6.5 26 6.5 M6*10(n=4) 45° 6 20.8(21.8) 35
050 120 144 80 70 25(24) 70 49 85 92 85 43.5 80 60 84 50 100 64 8.5 30 7 M8*12(n=4) 45° 8 28.3(27.3) 40
063 144 174 100 85 25(28) 80 67 103 112 95 53 95 72 102 63 110 80 8.5 36 8 M8*12(n=8) 45° 8 28.3(31.3) 50
075 172 205 120 90 28(35) 95 72 112 120 115 57 112.5 86 119 75 140 93 11 40 10 M8*14(n=8) 45° 8(10) 31.3(38.3) 60
090 206 238 140 100 35(38) 110 74 130 140 130 67 129.5 103 135 90 160 102 13 45 11 M10*16(n=8) 45° 10 38.3(41.3) 70
110 255 295 170 115 42 130 - 144 155 165 74 160 127.5 167.5 110 200 125 14 50 14 M10*18(n=8) 45° 12 45.3 85
130 293 335 200 120 45 180 - 155 170 215 81 179 146.5 187.5 130 250 140 16 60 15 M12*20(n=8) 45° 14 48.8 100
150 340 400 240 145 50 180 - 185 200 215 96 210 170 230 150 250 180 18 72.5 18 M12*22(n=8) 45° 14 53.8  120  

Company Profile

About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is  full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

 Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia 

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
   A: Yes, we offer customized service for customers accordingly. We can use customer's nameplate for gearboxes.
2.Q:What is your terms of payment ?
   A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
   A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What's your production capacity?
   A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
   A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
   A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 12/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

nmrv gearbox

Troubleshooting Abnormal Noises in an NMRV Gearbox

Abnormal noises from an NMRV gearbox can be troublesome and might indicate underlying issues. Follow these steps to troubleshoot and resolve the problem:

  1. Identify the Noise: Listen closely to the noise and determine if it's a grinding, whining, or knocking sound.
  2. Check Lubrication: Insufficient or contaminated lubrication can lead to noises. Ensure the gearbox is properly lubricated.
  3. Inspect Gears: Examine the gear teeth for wear, damage, or misalignment.
  4. Look for Foreign Objects: Foreign objects inside the gearbox can cause noise. Clean and inspect the interior.
  5. Check Bearings: Worn or damaged bearings can be noisy. Inspect and replace them if necessary.
  6. Inspect Seals: Damaged seals can allow contaminants in, affecting performance. Replace damaged seals.
  7. Examine Housing: Ensure the gearbox housing is intact without cracks or misalignment.
  8. Review Load Conditions: Excessive loads can lead to noise. Ensure the gearbox isn't overloaded.
  9. Check Mounting: Confirm the gearbox is properly mounted and aligned.
  10. Consult Guidelines: Refer to manufacturer guidelines for specific troubleshooting steps.
  11. Professional Help: If the issue persists, seek help from a professional technician or manufacturer.

Follow these steps to identify and rectify abnormal noises in your NMRV gearbox.

nmrv gearbox

Benefits of Using an NMRV Gearbox

NMRV gearboxes offer several advantages that make them a popular choice in various applications:

  • Compact Design: NMRV gearboxes are compact and space-efficient, making them suitable for installations with limited space.
  • High Efficiency: These gearboxes are designed for high efficiency, minimizing energy losses during power transmission.
  • Smooth Operation: NMRV gearboxes provide smooth and reliable operation due to their precise gear meshing and design.
  • Quiet Performance: The design and quality of NMRV gearboxes contribute to quiet operation, reducing noise levels in various applications.
  • Cost-Effective: Their efficient manufacturing processes and durability make NMRV gearboxes a cost-effective choice for power transmission.
  • Wide Ratio Range: NMRV gearboxes are available in a wide range of gear ratios, allowing users to select the most suitable option for their specific application needs.
  • Corrosion Resistance: Many NMRV gearboxes are constructed using materials that offer corrosion resistance, enhancing their longevity and performance in harsh environments.
  • Easy Installation: The compact and lightweight design of NMRV gearboxes makes them relatively easy to install and integrate into various systems.
  • Low Maintenance: With proper lubrication and maintenance, NMRV gearboxes can have a long service life with minimal maintenance requirements.
  • Versatility: NMRV gearboxes are versatile and can be used in a wide range of applications, from industrial machinery to conveyor systems.

These benefits collectively contribute to the popularity of NMRV gearboxes in industries where efficient and reliable power transmission is crucial.

nmrv gearbox

Key Features of an NMRV Gearbox

NMRV gearboxes, also known as worm gear reducers, offer several key features that make them suitable for various applications:

  • Compact Design: NMRV gearboxes are known for their compact and space-saving design, making them ideal for installations with limited space.
  • High Efficiency: These gearboxes offer relatively high efficiency levels, which ensures efficient power transmission and reduced energy loss.
  • Speed Reduction: NMRV gearboxes are primarily used for speed reduction applications, where the input speed is reduced while torque is increased.
  • Torque Multiplication: The worm and worm wheel mechanism allows for torque multiplication, making NMRV gearboxes suitable for applications requiring high torque output.
  • Self-Locking: The helical design of the worm causes self-locking, preventing the output shaft from back-driving the input shaft and providing mechanical locking.
  • Smooth Operation: NMRV gearboxes offer smooth and quiet operation, making them suitable for applications where noise reduction is important.
  • Wide Range of Ratios: These gearboxes come in a wide range of gear ratios, allowing users to select the appropriate ratio for their specific application.
  • Low Maintenance: The simple design and few moving parts contribute to the low maintenance requirements of NMRV gearboxes.
  • Versatility: NMRV gearboxes are versatile and can be used in various industries and applications, including conveyor systems, food processing, packaging, and more.

It's important to consider these key features when selecting an NMRV gearbox for your specific application to ensure optimal performance and efficiency.

China Hot selling Smooth Gear Transmission Nmrv 030-150 Wom Gearbox   with Great quality China Hot selling Smooth Gear Transmission Nmrv 030-150 Wom Gearbox   with Great quality
editor by CX 2023-11-28

China Best Sales Flange Input Nmrv Worm Gear Transmission Gearbox for IEC Motor cvt gearbox

Product Description

 

Product Description

Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer's thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1

Detailed Photos

Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS

Exploded View:

Product Parameters

 
Old Model     
  New Model     Ratio     Center Distance  Power Input Dia.  Output Dia.    Output Torque Weight
RV571     7.5~100   25mm   0.06KW~0.12KW  Φ9 Φ11 21N.m  0.7kgs
RV030 RW030 7.5~100 30mm   0.06KW~0.25KW Φ9(Φ11) Φ14 45N.m  1.2kgs
RV040 RW040 7.5~100 40mm   0.09KW~0.55KW Φ9(Φ11,Φ14) Φ18(Φ19) 84N.m  2.3kgs
RV050 RW050 7.5~100 50mm   0.12KW~1.5KW Φ11(Φ14,Φ19) Φ25(Φ24) 160N.m  3.5kgs
RV063 RW063 7.5~100 63mm   0.18KW~2.2KW Φ14(Φ19,Φ24) Φ25(Φ28) 230N.m  6.2kgs
RV075 RW075 7.5~100 75mm   0.25KW~4.0KW Φ14(Φ19,Φ24,Φ28)  Φ28(Φ35) 410N.m  9.0kgs
RV090 RW090 7.5~100 90mm   0.37KW~4.0KW Φ19(Φ24,Φ28) Φ35(Φ38) 725N.m  13.0kgs
RV110 RW110 7.5~100 110mm   0.55KW~7.5KW Φ19(Φ24,Φ28,Φ38)   Φ42 1050N.m  35.0kgs
RV130 RW130 7.5~100 130mm   0.75KW~7.5KW Φ24(Φ28,Φ38) Φ45 1550N.m  48.0kgs
RV150 RW150 7.5~100 150mm     2.2KW~15KW Φ28(Φ38,Φ42) Φ50   84.0kgs

GMRV Outline Dimension:

GMRV A B C C1 D(H8) E(h8) F G G1 H H1 I M N O P Q R S T BL β b t V  
030 80 97 54 44 14 55 32 56 63 65 29 55 40 57 30 75 44 6.5 21 5.5 M6*10(n=4) 5 16.3 27
040 100 121.5 70 60 18(19) 60 43 71 78 75 36.5 70 50 71.5 40 87 55 6.5 26 6.5 M6*10(n=4) 45° 6 20.8(21.8) 35
050 120 144 80 70 25(24) 70 49 85 92 85 43.5 80 60 84 50 100 64 8.5 30 7 M8*12(n=4) 45° 8 28.3(27.3) 40
063 144 174 100 85 25(28) 80 67 103 112 95 53 95 72 102 63 110 80 8.5 36 8 M8*12(n=8) 45° 8 28.3(31.3) 50
075 172 205 120 90 28(35) 95 72 112 120 115 57 112.5 86 119 75 140 93 11 40 10 M8*14(n=8) 45° 8(10) 31.3(38.3) 60
090 206 238 140 100 35(38) 110 74 130 140 130 67 129.5 103 135 90 160 102 13 45 11 M10*16(n=8) 45° 10 38.3(41.3) 70
110 255 295 170 115 42 130 - 144 155 165 74 160 127.5 167.5 110 200 125 14 50 14 M10*18(n=8) 45° 12 45.3 85
130 293 335 200 120 45 180 - 155 170 215 81 179 146.5 187.5 130 250 140 16 60 15 M12*20(n=8) 45° 14 48.8 100
150 340 400 240 145 50 180 - 185 200 215 96 210 170 230 150 250 180 18 72.5 18 M12*22(n=8) 45° 14 53.8  120  

Company Profile

About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is  full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

 Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia 

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
   A: Yes, we offer customized service for customers accordingly. We can use customer's nameplate for gearboxes.
2.Q:What is your terms of payment ?
   A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
   A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What's your production capacity?
   A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
   A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
   A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 35/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

nmrv gearbox

Replacing Parts vs. Replacing the Whole NMRV Gearbox

Whether to replace parts or the entire NMRV gearbox depends on the extent of the issue and the availability of replacement parts:

Replacing Parts: If a specific component is faulty or worn, you can often replace that part. This is a cost-effective solution and is feasible when the damage is isolated to a single component.

When to Replace Parts:

  • Minor wear on gears, bearings, or seals.
  • Specific components are damaged, but the rest of the gearbox is in good condition.

Replacing the Whole Gearbox: If multiple components are severely damaged, the gearbox housing is cracked, or the gearbox repeatedly experiences issues, replacing the entire unit might be a better option.

When to Replace the Whole Gearbox:

  • Severe damage to multiple components.
  • Cracks or damage to the gearbox housing.
  • Frequent breakdowns and repairs.

Professional Assessment: In some cases, it's best to consult a professional technician to assess the situation and provide recommendations. They can guide you on whether to replace parts or the entire unit based on the specific circumstances.

Ultimately, the decision between replacing parts and replacing the whole NMRV gearbox depends on factors such as the extent of damage, cost considerations, and the expertise of professionals.

nmrv gearbox

Lifespan of an NMRV Gearbox

The lifespan of an NMRV (worm gear) gearbox can vary based on several factors, including the quality of manufacturing, proper maintenance practices, operating conditions, and the specific application it is used for. However, when designed, manufactured, and maintained properly, NMRV gearboxes can have a long and reliable service life.

High-quality NMRV gearboxes that are made from durable materials, precisely machined, and assembled with care tend to have a longer lifespan. Regular maintenance, including proper lubrication, inspection, and addressing any signs of wear or damage, can significantly extend the gearbox's operational life.

The operating conditions in which the gearbox is used also play a role in determining its lifespan. Factors such as load, temperature, speed, and environment can impact the wear and tear on the gearbox components.

It's important to follow the manufacturer's recommendations for maintenance intervals and procedures to ensure optimal performance and longevity of the NMRV gearbox. By adhering to these guidelines and addressing any issues promptly, users can expect an NMRV gearbox to provide reliable service for many years.

nmrv gearbox

NMRV Gearbox Ratios

NMRV gearboxes are available in a variety of gear ratios to suit different applications and torque requirements. The gear ratio determines the relationship between the input and output speeds of the gearbox. Commonly available ratios include:

  • 5:1: This ratio provides higher output torque at a slower output speed compared to the input speed.
  • 7.5:1: This ratio offers a balance between torque and speed.
  • 10:1: With this ratio, the output speed is further reduced while increasing torque output.
  • 15:1: This ratio is suitable for applications requiring higher torque output at the expense of speed.
  • 20:1: This ratio maximizes torque output while significantly reducing output speed.
  • 25:1: It provides even higher torque output at a further reduced output speed.
  • 30:1: This ratio is ideal for applications demanding maximum torque at minimum output speed.
  • 40:1 and higher: These ratios are used in applications with very high torque requirements and low output speed.

The choice of gearbox ratio depends on the specific application, desired output speed, and required torque. It's important to select the right ratio to ensure optimal performance and efficiency in your machinery.

China Best Sales Flange Input Nmrv Worm Gear Transmission Gearbox for IEC Motor   cvt gearbox	China Best Sales Flange Input Nmrv Worm Gear Transmission Gearbox for IEC Motor   cvt gearbox
editor by CX 2023-11-16

China high quality Nmrv Worm Gear Speed Reducer Transmission Gearbox with Motor with Hot selling

Product Description

 

Product Description

Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer's thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1

Detailed Photos

Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS

Exploded View:

Product Parameters

 
Old Model     
  New Model     Ratio     Center Distance  Power Input Dia.  Output Dia.    Output Torque Weight
RV571     7.5~100   25mm   0.06KW~0.12KW  Φ9 Φ11 21N.m  0.7kgs
RV030 RW030 7.5~100 30mm   0.06KW~0.25KW Φ9(Φ11) Φ14 45N.m  1.2kgs
RV040 RW040 7.5~100 40mm   0.09KW~0.55KW Φ9(Φ11,Φ14) Φ18(Φ19) 84N.m  2.3kgs
RV050 RW050 7.5~100 50mm   0.12KW~1.5KW Φ11(Φ14,Φ19) Φ25(Φ24) 160N.m  3.5kgs
RV063 RW063 7.5~100 63mm   0.18KW~2.2KW Φ14(Φ19,Φ24) Φ25(Φ28) 230N.m  6.2kgs
RV075 RW075 7.5~100 75mm   0.25KW~4.0KW Φ14(Φ19,Φ24,Φ28)  Φ28(Φ35) 410N.m  9.0kgs
RV090 RW090 7.5~100 90mm   0.37KW~4.0KW Φ19(Φ24,Φ28) Φ35(Φ38) 725N.m  13.0kgs
RV110 RW110 7.5~100 110mm   0.55KW~7.5KW Φ19(Φ24,Φ28,Φ38)   Φ42 1050N.m  35.0kgs
RV130 RW130 7.5~100 130mm   0.75KW~7.5KW Φ24(Φ28,Φ38) Φ45 1550N.m  48.0kgs
RV150 RW150 7.5~100 150mm     2.2KW~15KW Φ28(Φ38,Φ42) Φ50   84.0kgs

GMRV Outline Dimension:

GMRV A B C C1 D(H8) E(h8) F G G1 H H1 I M N O P Q R S T BL β b t V  
030 80 97 54 44 14 55 32 56 63 65 29 55 40 57 30 75 44 6.5 21 5.5 M6*10(n=4) 5 16.3 27
040 100 121.5 70 60 18(19) 60 43 71 78 75 36.5 70 50 71.5 40 87 55 6.5 26 6.5 M6*10(n=4) 45° 6 20.8(21.8) 35
050 120 144 80 70 25(24) 70 49 85 92 85 43.5 80 60 84 50 100 64 8.5 30 7 M8*12(n=4) 45° 8 28.3(27.3) 40
063 144 174 100 85 25(28) 80 67 103 112 95 53 95 72 102 63 110 80 8.5 36 8 M8*12(n=8) 45° 8 28.3(31.3) 50
075 172 205 120 90 28(35) 95 72 112 120 115 57 112.5 86 119 75 140 93 11 40 10 M8*14(n=8) 45° 8(10) 31.3(38.3) 60
090 206 238 140 100 35(38) 110 74 130 140 130 67 129.5 103 135 90 160 102 13 45 11 M10*16(n=8) 45° 10 38.3(41.3) 70
110 255 295 170 115 42 130 - 144 155 165 74 160 127.5 167.5 110 200 125 14 50 14 M10*18(n=8) 45° 12 45.3 85
130 293 335 200 120 45 180 - 155 170 215 81 179 146.5 187.5 130 250 140 16 60 15 M12*20(n=8) 45° 14 48.8 100
150 340 400 240 145 50 180 - 185 200 215 96 210 170 230 150 250 180 18 72.5 18 M12*22(n=8) 45° 14 53.8  120  

Company Profile

About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is  full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

 Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia 

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
   A: Yes, we offer customized service for customers accordingly. We can use customer's nameplate for gearboxes.
2.Q:What is your terms of payment ?
   A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
   A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What's your production capacity?
   A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
   A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
   A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 12/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

nmrv gearbox

Using NMRV Gearboxes in High-Load Applications

NMRV gearboxes can be used in moderate to high-load applications, but their load capacity is generally limited compared to some other gearbox types. They are best suited for applications with light to moderate loads, such as conveyor systems, packaging equipment, and small machinery. It's important to consider the specific load requirements and consult with gearbox manufacturers or engineers to ensure the chosen NMRV gearbox can handle the intended application's load demands.

nmrv gearbox

Common Problems Associated with NMRV Gearboxes

NMRV (worm gear) gearboxes are reliable and durable, but like any mechanical system, they can experience certain issues over time. Here are some common problems that can be associated with NMRV gearboxes:

  • Overheating: Inadequate lubrication or excessive load can lead to overheating, causing accelerated wear and potential damage to the gearbox components.
  • Noise and Vibration: Unusual noises or excessive vibration during operation could indicate misalignment, worn gears, or damaged bearings.
  • Leakage: Oil leaks can occur due to worn seals or damaged gaskets, leading to lubricant loss and potential contamination of the surrounding environment.
  • Worn Gears: Over time, gear teeth can wear down due to friction and load. This can result in reduced efficiency, increased backlash, and compromised performance.
  • Misalignment: Improper installation or mounting can lead to misalignment between the input and output shafts, causing increased friction, wear, and reduced efficiency.
  • Backlash: Excessive backlash between the worm gear and the mating gear can lead to poor positioning accuracy and reduced efficiency in motion control applications.
  • Poor Lubrication: Using incorrect or inadequate lubricants, or neglecting proper lubrication maintenance, can lead to increased friction, wear, and potential failure of gearbox components.
  • Seal Damage: Worn or damaged seals can result in oil leaks and contamination, affecting the performance and lifespan of the gearbox.
  • Shaft Wear: Over time, the input and output shafts can experience wear due to load and friction, affecting the overall operation of the gearbox.
  • Corrosion: Exposure to harsh environments or corrosive substances can lead to corrosion of gearbox components, reducing their lifespan.

To prevent and address these common problems, it's crucial to follow proper maintenance and servicing practices, use high-quality lubricants, address issues promptly, and consult professionals when needed. Regular inspections and proactive maintenance can help extend the operational lifespan and reliability of NMRV gearboxes.

nmrv gearbox

Industries Using NMRV Gearboxes

NMRV gearboxes find widespread use in various industries due to their versatility and reliability. Some common industries include:

  • Food and Beverage: NMRV gearboxes are used in conveyor systems, mixers, and packaging equipment.
  • Material Handling: They are employed in conveyor belts, lifting equipment, and automated material handling systems.
  • Automation and Robotics: NMRV gearboxes play a critical role in precise motion control and positioning in robotic systems.
  • Textile: They are used in machinery for spinning, weaving, and fabric processing.
  • Pharmaceutical: NMRV gearboxes are utilized in pill coating machines, mixers, and other pharmaceutical processing equipment.
  • Agriculture: They find applications in irrigation systems, conveyor systems, and various agricultural machinery.
  • Packaging: NMRV gearboxes are used in packaging machinery to ensure controlled movement and accuracy.
  • Automotive: They are used in automated assembly lines and manufacturing processes in the automotive industry.
  • Printing: NMRV gearboxes contribute to precise movement and synchronization in printing machinery.
  • Energy: They are employed in wind turbine systems, solar tracking systems, and other renewable energy applications.

The adaptability and efficiency of NMRV gearboxes make them a preferred choice in industries that require reliable and precise power transmission solutions.

China high quality Nmrv Worm Gear Speed Reducer Transmission Gearbox with Motor   with Hot selling		China high quality Nmrv Worm Gear Speed Reducer Transmission Gearbox with Motor   with Hot selling
editor by CX 2023-10-17

China factory IEC Standard Nmrv Worm Gear Unit Low Noise Transmission Gearbox gearbox design

Product Description

 

Product Description

Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer's thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1

Detailed Photos

Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS

Exploded View:

Product Parameters

 
Old Model     
  New Model     Ratio     Center Distance  Power Input Dia.  Output Dia.    Output Torque Weight
RV571     7.5~100   25mm   0.06KW~0.12KW  Φ9 Φ11 21N.m  0.7kgs
RV030 RW030 7.5~100 30mm   0.06KW~0.25KW Φ9(Φ11) Φ14 45N.m  1.2kgs
RV040 RW040 7.5~100 40mm   0.09KW~0.55KW Φ9(Φ11,Φ14) Φ18(Φ19) 84N.m  2.3kgs
RV050 RW050 7.5~100 50mm   0.12KW~1.5KW Φ11(Φ14,Φ19) Φ25(Φ24) 160N.m  3.5kgs
RV063 RW063 7.5~100 63mm   0.18KW~2.2KW Φ14(Φ19,Φ24) Φ25(Φ28) 230N.m  6.2kgs
RV075 RW075 7.5~100 75mm   0.25KW~4.0KW Φ14(Φ19,Φ24,Φ28)  Φ28(Φ35) 410N.m  9.0kgs
RV090 RW090 7.5~100 90mm   0.37KW~4.0KW Φ19(Φ24,Φ28) Φ35(Φ38) 725N.m  13.0kgs
RV110 RW110 7.5~100 110mm   0.55KW~7.5KW Φ19(Φ24,Φ28,Φ38)   Φ42 1050N.m  35.0kgs
RV130 RW130 7.5~100 130mm   0.75KW~7.5KW Φ24(Φ28,Φ38) Φ45 1550N.m  48.0kgs
RV150 RW150 7.5~100 150mm     2.2KW~15KW Φ28(Φ38,Φ42) Φ50   84.0kgs

GMRV Outline Dimension:

GMRV A B C C1 D(H8) E(h8) F G G1 H H1 I M N O P Q R S T BL β b t V  
030 80 97 54 44 14 55 32 56 63 65 29 55 40 57 30 75 44 6.5 21 5.5 M6*10(n=4) 5 16.3 27
040 100 121.5 70 60 18(19) 60 43 71 78 75 36.5 70 50 71.5 40 87 55 6.5 26 6.5 M6*10(n=4) 45° 6 20.8(21.8) 35
050 120 144 80 70 25(24) 70 49 85 92 85 43.5 80 60 84 50 100 64 8.5 30 7 M8*12(n=4) 45° 8 28.3(27.3) 40
063 144 174 100 85 25(28) 80 67 103 112 95 53 95 72 102 63 110 80 8.5 36 8 M8*12(n=8) 45° 8 28.3(31.3) 50
075 172 205 120 90 28(35) 95 72 112 120 115 57 112.5 86 119 75 140 93 11 40 10 M8*14(n=8) 45° 8(10) 31.3(38.3) 60
090 206 238 140 100 35(38) 110 74 130 140 130 67 129.5 103 135 90 160 102 13 45 11 M10*16(n=8) 45° 10 38.3(41.3) 70
110 255 295 170 115 42 130 - 144 155 165 74 160 127.5 167.5 110 200 125 14 50 14 M10*18(n=8) 45° 12 45.3 85
130 293 335 200 120 45 180 - 155 170 215 81 179 146.5 187.5 130 250 140 16 60 15 M12*20(n=8) 45° 14 48.8 100
150 340 400 240 145 50 180 - 185 200 215 96 210 170 230 150 250 180 18 72.5 18 M12*22(n=8) 45° 14 53.8  120  

Company Profile

About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is  full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

 Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia 

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
   A: Yes, we offer customized service for customers accordingly. We can use customer's nameplate for gearboxes.
2.Q:What is your terms of payment ?
   A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
   A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What's your production capacity?
   A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
   A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
   A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

nmrv gearbox

Using NMRV Gearboxes in High-Load Applications

NMRV gearboxes can be used in moderate to high-load applications, but their load capacity is generally limited compared to some other gearbox types. They are best suited for applications with light to moderate loads, such as conveyor systems, packaging equipment, and small machinery. It's important to consider the specific load requirements and consult with gearbox manufacturers or engineers to ensure the chosen NMRV gearbox can handle the intended application's load demands.

nmrv gearbox

Lubrication for an NMRV Gearbox

Lubrication is essential for the proper functioning and longevity of an NMRV gearbox. The type and amount of lubricant required may vary depending on the gearbox model and manufacturer. Here are the general lubrication practices:

  • Recommended Lubricants: Use the lubricants specified by the gearbox manufacturer. Typically, high-quality gear oils with the appropriate viscosity and additives are recommended.
  • Initial Fill: Prior to the gearbox's first operation, ensure that it is properly filled with the recommended lubricant to the correct level. Follow the manufacturer's guidelines for the proper quantity.
  • Lubricant Change: Regularly change the lubricant according to the manufacturer's recommended intervals. Over time, lubricants can degrade due to heat and contamination, which can affect gearbox performance.
  • Temperature Considerations: Gearboxes operating in extreme temperatures may require lubricants with specific temperature ranges to ensure proper viscosity and protection.
  • Checking Levels: Periodically check the lubricant level in the gearbox to ensure it is within the specified range. This can prevent damage caused by insufficient lubrication.
  • Oil Analysis: Some gearbox systems benefit from regular oil analysis to monitor lubricant condition and identify potential issues before they cause significant damage.

Proper lubrication practices contribute to reduced friction, wear, and heat generation within the NMRV gearbox, leading to improved efficiency and extended lifespan.

nmrv gearbox

Working Principle of an NMRV Gearbox

An NMRV gearbox, also known as a worm gear reducer, operates based on a worm and worm wheel mechanism. Here's how it works:

The gearbox consists of two main components: the worm (a screw-like shaft) and the worm wheel (a toothed wheel). The worm is driven by the input power source, while the worm wheel is connected to the output shaft.

As the worm rotates, its threaded shaft engages with the teeth of the worm wheel. The helical shape of the worm causes the teeth of the worm wheel to push against each other, resulting in a smooth and gradual transfer of motion. This mechanism provides the speed reduction and torque multiplication required for various applications.

One key characteristic of NMRV gearboxes is that the worm can turn the worm wheel, but the reverse is not possible due to the high friction generated by the helical threads. This feature prevents the output shaft from back-driving the input shaft, providing mechanical locking and enhancing safety and stability in applications.

The NMRV gearbox's operation is continuous, and its simple design contributes to its reliability and efficiency. It is important to ensure proper lubrication to minimize wear and heat generation during operation.

China factory IEC Standard Nmrv Worm Gear Unit Low Noise Transmission Gearbox   gearbox design		China factory IEC Standard Nmrv Worm Gear Unit Low Noise Transmission Gearbox   gearbox design
editor by CX 2023-10-12

China Standard Nmrv+Nmrv Double Stages Gear Transmission Worm Gearbox for Industry automatic gearbox

Product Description

 

Product Description

Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer's thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1

Detailed Photos

Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS

Exploded View:

Product Parameters

 
Old Model     
  New Model     Ratio     Center Distance  Power Input Dia.  Output Dia.    Output Torque Weight
RV571     7.5~100   25mm   0.06KW~0.12KW  Φ9 Φ11 21N.m  0.7kgs
RV030 RW030 7.5~100 30mm   0.06KW~0.25KW Φ9(Φ11) Φ14 45N.m  1.2kgs
RV040 RW040 7.5~100 40mm   0.09KW~0.55KW Φ9(Φ11,Φ14) Φ18(Φ19) 84N.m  2.3kgs
RV050 RW050 7.5~100 50mm   0.12KW~1.5KW Φ11(Φ14,Φ19) Φ25(Φ24) 160N.m  3.5kgs
RV063 RW063 7.5~100 63mm   0.18KW~2.2KW Φ14(Φ19,Φ24) Φ25(Φ28) 230N.m  6.2kgs
RV075 RW075 7.5~100 75mm   0.25KW~4.0KW Φ14(Φ19,Φ24,Φ28)  Φ28(Φ35) 410N.m  9.0kgs
RV090 RW090 7.5~100 90mm   0.37KW~4.0KW Φ19(Φ24,Φ28) Φ35(Φ38) 725N.m  13.0kgs
RV110 RW110 7.5~100 110mm   0.55KW~7.5KW Φ19(Φ24,Φ28,Φ38)   Φ42 1050N.m  35.0kgs
RV130 RW130 7.5~100 130mm   0.75KW~7.5KW Φ24(Φ28,Φ38) Φ45 1550N.m  48.0kgs
RV150 RW150 7.5~100 150mm     2.2KW~15KW Φ28(Φ38,Φ42) Φ50   84.0kgs

GMRV Outline Dimension:

GMRV A B C C1 D(H8) E(h8) F G G1 H H1 I M N O P Q R S T BL β b t V  
030 80 97 54 44 14 55 32 56 63 65 29 55 40 57 30 75 44 6.5 21 5.5 M6*10(n=4) 5 16.3 27
040 100 121.5 70 60 18(19) 60 43 71 78 75 36.5 70 50 71.5 40 87 55 6.5 26 6.5 M6*10(n=4) 45° 6 20.8(21.8) 35
050 120 144 80 70 25(24) 70 49 85 92 85 43.5 80 60 84 50 100 64 8.5 30 7 M8*12(n=4) 45° 8 28.3(27.3) 40
063 144 174 100 85 25(28) 80 67 103 112 95 53 95 72 102 63 110 80 8.5 36 8 M8*12(n=8) 45° 8 28.3(31.3) 50
075 172 205 120 90 28(35) 95 72 112 120 115 57 112.5 86 119 75 140 93 11 40 10 M8*14(n=8) 45° 8(10) 31.3(38.3) 60
090 206 238 140 100 35(38) 110 74 130 140 130 67 129.5 103 135 90 160 102 13 45 11 M10*16(n=8) 45° 10 38.3(41.3) 70
110 255 295 170 115 42 130 - 144 155 165 74 160 127.5 167.5 110 200 125 14 50 14 M10*18(n=8) 45° 12 45.3 85
130 293 335 200 120 45 180 - 155 170 215 81 179 146.5 187.5 130 250 140 16 60 15 M12*20(n=8) 45° 14 48.8 100
150 340 400 240 145 50 180 - 185 200 215 96 210 170 230 150 250 180 18 72.5 18 M12*22(n=8) 45° 14 53.8  120  

Company Profile

About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is  full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

 Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia 

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
   A: Yes, we offer customized service for customers accordingly. We can use customer's nameplate for gearboxes.
2.Q:What is your terms of payment ?
   A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
   A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What's your production capacity?
   A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
   A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
   A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 35/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

nmrv gearbox

Safety Precautions When Working with NMRV Gearboxes

Working with NMRV (worm gear) gearboxes requires careful attention to safety to prevent accidents and injuries. Here are some essential safety precautions to consider:

  • Personal Protective Equipment (PPE): Always wear appropriate PPE, such as gloves, safety glasses, and protective clothing, to protect yourself from potential hazards.
  • Lockout-Tagout: Before performing any maintenance or repairs, ensure the equipment is properly shut down and locked out to prevent accidental startup.
  • Training: Only qualified personnel with proper training and experience should work on NMRV gearboxes to minimize the risk of errors and accidents.
  • Proper Tools: Use the correct tools for the job and ensure they are in good condition. Incorrect tools can cause damage or pose safety risks.
  • Adequate Lighting: Work in well-lit areas to enhance visibility and reduce the risk of accidents caused by poor lighting.
  • Secure Work Area: Ensure the work area is clean, organized, and free from clutter to prevent tripping hazards and improve overall safety.
  • Lubrication: When applying lubricants, be cautious to avoid spills. Clean up any spills immediately to prevent slips and falls.
  • Follow Manufacturer Guidelines: Adhere to the manufacturer's instructions, maintenance schedules, and safety guidelines when working on NMRV gearboxes.
  • Electrical Safety: If the gearbox is electrically powered, ensure proper electrical safety protocols are followed during maintenance or repairs.
  • Avoid Overloading: Do not exceed the recommended load capacities of the gearbox to prevent mechanical failures and potential hazards.
  • Stay Clear of Moving Parts: Keep hands, clothing, and other objects away from moving parts to prevent entanglement or injury.
  • Emergency Procedures: Be familiar with emergency shutdown procedures and know how to respond in case of an unexpected situation.

By following these safety precautions, you can help ensure a safe working environment and minimize the risk of accidents or injuries when working with NMRV gearboxes.

nmrv gearbox

Common Problems Associated with NMRV Gearboxes

NMRV (worm gear) gearboxes are reliable and durable, but like any mechanical system, they can experience certain issues over time. Here are some common problems that can be associated with NMRV gearboxes:

  • Overheating: Inadequate lubrication or excessive load can lead to overheating, causing accelerated wear and potential damage to the gearbox components.
  • Noise and Vibration: Unusual noises or excessive vibration during operation could indicate misalignment, worn gears, or damaged bearings.
  • Leakage: Oil leaks can occur due to worn seals or damaged gaskets, leading to lubricant loss and potential contamination of the surrounding environment.
  • Worn Gears: Over time, gear teeth can wear down due to friction and load. This can result in reduced efficiency, increased backlash, and compromised performance.
  • Misalignment: Improper installation or mounting can lead to misalignment between the input and output shafts, causing increased friction, wear, and reduced efficiency.
  • Backlash: Excessive backlash between the worm gear and the mating gear can lead to poor positioning accuracy and reduced efficiency in motion control applications.
  • Poor Lubrication: Using incorrect or inadequate lubricants, or neglecting proper lubrication maintenance, can lead to increased friction, wear, and potential failure of gearbox components.
  • Seal Damage: Worn or damaged seals can result in oil leaks and contamination, affecting the performance and lifespan of the gearbox.
  • Shaft Wear: Over time, the input and output shafts can experience wear due to load and friction, affecting the overall operation of the gearbox.
  • Corrosion: Exposure to harsh environments or corrosive substances can lead to corrosion of gearbox components, reducing their lifespan.

To prevent and address these common problems, it's crucial to follow proper maintenance and servicing practices, use high-quality lubricants, address issues promptly, and consult professionals when needed. Regular inspections and proactive maintenance can help extend the operational lifespan and reliability of NMRV gearboxes.

nmrv gearbox

Key Features of an NMRV Gearbox

NMRV gearboxes, also known as worm gear reducers, offer several key features that make them suitable for various applications:

  • Compact Design: NMRV gearboxes are known for their compact and space-saving design, making them ideal for installations with limited space.
  • High Efficiency: These gearboxes offer relatively high efficiency levels, which ensures efficient power transmission and reduced energy loss.
  • Speed Reduction: NMRV gearboxes are primarily used for speed reduction applications, where the input speed is reduced while torque is increased.
  • Torque Multiplication: The worm and worm wheel mechanism allows for torque multiplication, making NMRV gearboxes suitable for applications requiring high torque output.
  • Self-Locking: The helical design of the worm causes self-locking, preventing the output shaft from back-driving the input shaft and providing mechanical locking.
  • Smooth Operation: NMRV gearboxes offer smooth and quiet operation, making them suitable for applications where noise reduction is important.
  • Wide Range of Ratios: These gearboxes come in a wide range of gear ratios, allowing users to select the appropriate ratio for their specific application.
  • Low Maintenance: The simple design and few moving parts contribute to the low maintenance requirements of NMRV gearboxes.
  • Versatility: NMRV gearboxes are versatile and can be used in various industries and applications, including conveyor systems, food processing, packaging, and more.

It's important to consider these key features when selecting an NMRV gearbox for your specific application to ensure optimal performance and efficiency.

China Standard Nmrv+Nmrv Double Stages Gear Transmission Worm Gearbox for Industry   automatic gearbox	China Standard Nmrv+Nmrv Double Stages Gear Transmission Worm Gearbox for Industry   automatic gearbox
editor by CX 2023-10-11