Product Description
PROFESSIONAL MANUFACTURE
-- SINCE 1995
Double NMRV Small 90 Degree worm gearbox Bevel Gearbox
Chinese electric motor speed reducer is widely used in mining machinery, chemical industry,steel metallurgy, light
industry,environmental protection, paper making, printing, lifting transport, food industry and so on.
Main Series Product: R series helical gear motor reducer, K series spiral bevel gear reducer, NGW, P series planetary gear reducer, H B series helical gearbox, Z (ZDY, ZLY, ZSY, and ZFY) serial hard tooth surface cylindrical gearbox reducer, D (DBY and DCY) serial hard tooth surface cone gear reducer, cycloidal speed reducer, etc. Meanwhile, map sample processing business can be undertaken.
Product Description
It realized serialization and modularization with compact structure and wide range of transmission ratio.
The transmission efficiency reach up to 96%.
The gear processed by Carburizing, Nitriding & Grinding.
High efficiency, superior performance with less energy consumption High precision gear, steady transmission, low noise, large load capacity, long service life.
Support various of installation method.
Product Parameters
|
Size |
NMRV25 |
NMRV30 |
NMRV40 |
NMRV50 |
NMRV63 |
NMRV75 |
NMRV90 |
NMRV110 |
NMRV130 |
|
Flange Type |
56B14 |
63B5 |
71B5 |
80B5 |
90B35 |
100/112B35 |
100/112B35 |
132B35 |
132B35 |
|
|
63B14 |
63B5 |
71B5 |
80B5 |
90B35 |
90B35 |
100/112B35 |
100/112B35 |
|
|
|
170 |
|
63B5 |
71B5 |
80B5 |
80B5 |
90B35 |
90B35 |
Model selection for washing machine Gear Box Transmission:
Closely using the ideal reduction ratio.
Reduction ratio = servo motor speed / reducer output shaft speed
Torque calculation: Torque calculation is very important for the life of reducer, and pay attention to whether the maximum torque value (TP) of acceleration exceeds the maximum load torque of the reducer.
The applicable power is usually the applicable power of the servo models on the market, the applicability of the reducer is very high, the working coefficient can be maintained above 1.2, but the choice can also be based on their own needs to decide. industrial helical gearbox.
Detailed Photos
Chinese Speed Reducer/industrial helical gearbox is a mechanical transmission in many fields of the national economy. The product categories covered by the industry include all kinds of gear reducer, planetary gear reducer and worm reducer, as well as various special transmission devices such as speed increasing device, speed control Devices, including various types of flexible transmission devices, such as compound transmission. Products and services in the field of metallurgy, nonferrous metals, coal, building materials, ships, water conservancy, electricity, construction machinery and petrochemical industries.
In all fields of national economy and national defense industry, gearbox products have a wide range of applications. Food light industry, electric machinery, construction machinery, metallurgy machinery, cement machinery, environmental protection machinery, electronic appliances, road construction machinery, water conservancy machinery, chemical machinery, mining machinery, conveyor machinery, building materials machinery, rubber machinery, petroleum machinery and other industries have strong demand of Reducer products.
Working principle of gear reducer :
When the output speed of the motor of the gear reducer is input from the driving shaft, the small gear of the reducer will move. The large gear is linked with the small gear, so the movement of the small gear will drive the movement of the large gear. The number of teeth is more than the number of teeth on the pinion, so the speed of the big gear will be slower than that of the pinion, and then output through the output shaft of the big gear, thus playing the role of output deceleration.
Packaging & Shipping
Application
| Driven machines | |||
| Waste water treatment | Thickeners,filter presses,flocculation apparata,aerators,raking equipment,combined longitudinal and rotary rakes,pre-thickeners,screw pumps,water turbines,centrifugal pumps | Dredgers | Bucket conveyors, dumping devices, carterpillar travelling gears, bucket wheel excavators as pick up, bucket wheel excavator for primitive material, cutter head, traversing gears |
| Chemical industry | Plate bending machines, extruders, dough mills, rubbers calenders, cooling drums, mixers for uniform media, agitators for media with uniform density, toasters, centrifuges | Metal working mills | plate tilters, ingot pushers, winding machines, cooling bed transfer frames, roller straigheners, table continuous intermittent, roller tables reversing tube mills, shears continuous, casting drivers, reversing CHINAMFG mills |
| Metal working mills | Reversing slabbing mills. reversing wire mills, reversing sheet mills, reversing plate mill, roll adjustment drives | Conveyors | Bucket conveyors, hauling winches, hoists, belt conveyors, good lifts, passenger lifts, apron conveyors, escalators, rail travlling gears |
| Frequency converters | Reciprocating compressors | ||
| Cranes | Slewing gears, luffing gears, travelling gears, hoisting gear, derricking jib cranes | Cooling towers | Cooling tower fans, blowers axial and radial |
| Cane sugar production | Cane knives, cane mills | Beet sugar production | Beet cossettes macerators, extraction plants, mechanical refrigerators, juice boilers, sugar beet washing machines, sugar beet cutter |
| Paper machines | Pulper drives | Cableways | Material ropeways, continuous ropeway |
| Cement industry | Concrete mixer, breaker, rotary kilns, tube mills, separators, roll crushers | ||
Company Profile
Established in 1995 , HangZhou Boji Machinery is a professional manufacturer and exporter that is concerned with the design, development and production of Gearbox Speed Reducer. We are located in HangZhou of ZheJiang Province, with convenient transportation access. With our own brand "TianQi", all of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
Our company possesses complete machining center, lathe, gear shaping machine, gear milling machine, gear grinding machine and assembling lines. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction.
Besides, In 2005,we attained ISO9001 certification. As a result of our high quality products and outstanding customer service, we have gained a global sales network CHINAMFG South America, Saudi Arabia, Vietnam, Pakistan, Philippines, South Africa and other countries and regions.
With rich export experience, high quality products, competitive prices, good service and in-time delivery, we certain that we can meet all of your requirement and exceed your expectations. Our feature is bright with new cooperative relationships with companies from all over the world. We look CHINAMFG to speaking with you to future discuss how we can be of service to you.
FAQ
1. Who are we?
We are the Factory, with over 25 years of production experience, based in ZheJiang , China, start from 1995,sell to Domestic Market(50.00%),Mid East(10.00%),Southeast Asia(10.00%),Western Europe(5.00%),South America(5.00%),Eastern Europe(5.00%),Eastern Asia(5.00%),North America(3.00%),Africa(2.00%),Southern Europe(2.00%),South Asia(2.00%),Central America(1.00%).
2. Can you customize according to our requirements?
Yes, we can design nonstandard products according to customer's drawing and sample.
3.What can you buy from us?
speed reducer,gearbox,gear motor,pump,crusher
4. Why should you buy from us not from other suppliers?
Founded in 1995, with over 20 years of production experience and credibility. With professional engineer team, advanced technology production and skilled workers.Specialized in the production of reducer. Map sample processing business can be undertaken.
5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian
| Application: | Motor, Machinery, Manufacturing Plant |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Transmission |
| Layout: | Worm Gear |
| Samples: |
US$ 65/Piece
1 Piece(Min.Order) | Order Sample NMRV 90 Degree worm gearbox Bevel Gearbox
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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:
- Identify the Noise: Listen closely to the noise and determine if it's a grinding, whining, or knocking sound.
- Check Lubrication: Insufficient or contaminated lubrication can lead to noises. Ensure the gearbox is properly lubricated.
- Inspect Gears: Examine the gear teeth for wear, damage, or misalignment.
- Look for Foreign Objects: Foreign objects inside the gearbox can cause noise. Clean and inspect the interior.
- Check Bearings: Worn or damaged bearings can be noisy. Inspect and replace them if necessary.
- Inspect Seals: Damaged seals can allow contaminants in, affecting performance. Replace damaged seals.
- Examine Housing: Ensure the gearbox housing is intact without cracks or misalignment.
- Review Load Conditions: Excessive loads can lead to noise. Ensure the gearbox isn't overloaded.
- Check Mounting: Confirm the gearbox is properly mounted and aligned.
- Consult Guidelines: Refer to manufacturer guidelines for specific troubleshooting steps.
- 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.
Design Principles of an NMRV Gearbox
The design of an NMRV (worm gear) gearbox is based on key principles that enable its efficient and reliable operation:
- Worm Gear Mechanism: The core of an NMRV gearbox is the worm screw and worm wheel. The worm screw, typically cylindrical in shape, meshes with the teeth of the worm wheel. This configuration provides high gear reduction ratios.
- Helical Gearing: The worm screw is usually helical, allowing for smoother engagement with the worm wheel. Helical gearing reduces the sliding friction and noise associated with traditional straight-cut worm gears.
- Compact Design: NMRV gearboxes are designed to be compact, often with a right-angle configuration. This allows for efficient use of space in various applications.
- Alloy Construction: Many NMRV gearboxes are constructed from high-quality alloys, providing durability and corrosion resistance. The choice of materials ensures a gearbox capable of withstanding varying loads and environmental conditions.
- Bearing Support: Bearings support the rotating elements within the gearbox, reducing friction and ensuring smooth operation. Bearings are strategically placed to handle radial and axial loads.
- Sealing and Lubrication: NMRV gearboxes are equipped with effective sealing mechanisms to prevent the entry of contaminants and to retain lubricating oil. Proper lubrication is essential for reducing wear and enhancing gearbox efficiency.
- Efficient Power Transmission: The worm gear mechanism in NMRV gearboxes provides high gear reduction ratios, allowing for efficient power transmission while minimizing energy losses.
- Quiet Operation: The helical design of the worm screw and worm wheel contributes to quieter operation compared to traditional straight-cut worm gears.
- Wide Range of Ratios: NMRV gearboxes are available in various gear ratios, allowing users to select the appropriate configuration for their specific application needs.
The combination of these design principles results in an NMRV gearbox that offers efficient, reliable, and quiet power transmission for a wide range of industrial applications.
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:
- Prepare the Workspace: Ensure you have a clean and organized workspace with the necessary tools and equipment.
- Positioning: Place the NMRV gearbox in the desired position on your machinery, making sure it aligns with the input and output components.
- 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.
- Mounting: Securely mount the NMRV gearbox to the machinery frame using appropriate fasteners. Follow the manufacturer's recommendations for torque specifications.
- 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.
- Output Coupling: Similarly, connect the output shaft of the gearbox to the driven component using an appropriate coupling.
- Lubrication: Before operation, make sure to fill the gearbox with the recommended lubricant to ensure proper gear meshing and reduce friction.
- 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.
editor by CX 2023-11-14
China 0.12-15kw Exquisite Structure Worm Small Only 90 degree Planetary Gearbox Auger Drive worm gearbox application
Warranty: other
Relevant Industries: Building Material Stores, Equipment Repair Outlets, Food & Beverage Manufacturing unit
Bodyweight (KG): ten KG
Tailored assistance: OEM
Gearing Arrangement: Worm
Output Torque: 1.8-2430N.M
Input Pace: 1400RPM
Output Speed: 19-186.7RPM
Production approach of gear: Forged equipment
Toothed Part Form: Involute spur gear
Colour: silver, blue, black and so on
key word: gearbox WPA
Packaging Particulars: inner pack: use plastic bag and foam box,gearbox WPA . outer pack: carton or wood circumstance per set or dependent on customer’s request.
| Type: | Planetary gearbox |
| Model: | 60.80.90.one hundred fifteen.120.142.160 |
| Ratio: | 1-phase: 3.4.5.7.8.102-phase: 9.ten.12.fifteen.sixteen.twenty.25.thirty.32.35.forty.fifty.64.70.1003-phase: sixty.80.100.a hundred and twenty.160.two hundred.256.320.512 |
| Color: | Black/Silver or on client ask for |
| Housing | Aluminum alloy |
| Packing | Carton/Wood case |
| Warranty: | 1 Year |
| Usages: | Industrial Machine: Foodstuff Stuff, Ceramics , Driving External Spur Equipment,machining Elements High Precision Spur Drive Gear Forging Metallic CZPT Tailored Steel 3 Years Presented CHEMICAL, Packing ,Dyeing ,Wooding functioning ,Glass |
Worm gear reducer gearbox
A worm gear reducer gearbox is a gear reducer gearbox that uses a worm gear train to reduce the required force. Unlike traditional gear reducer gearboxes, these units are small and require low horsepower ratings. This reduces their efficiency, but their low cost and compact design help make up for this shortcoming. However, these gear reducer gearboxes have some drawbacks, including their tendency to lock up when reversing.
high efficiency
High-efficiency worm reducer gearboxes are ideal for applications where high performance, repeatability, and accuracy are critical. It consists of an input hypoid gear and an output hypoid bevel gear. The input worm rotates perpendicular to the output worm, so for every revolution of the input worm, the output gear makes one revolution. This arrangement reduces friction (another source of energy loss) in a high-efficiency worm gear to at least two arc minutes.
Compared with worm gear reducer gearboxes, hypoid gearmotors offer several advantages, including lower operating costs and higher efficiency. For example, hypoid gear motors can transmit more torque even at high reduction ratios. Also, they are more efficient than worm gear reducer gearboxes, which means they can produce the same output with a smaller motor.
In recent years, the efficiency of worm gear reducer gearboxes has been dramatically improved. Manufacturers have made great strides in materials, design, and manufacturing. New designs, including dual-enveloping worm gear reducer gearboxes, increase efficiency by 3 to 8 percent. These improvements were made possible through countless hours of testing and development. Worm gear reducer gearboxes also offer lower initial costs and higher overload capability than competing systems.
Worm gear reducer gearboxes are popular because they provide maximum reduction in a small package. Their compact size makes them ideal for low to medium-horsepower applications and they are reticent. They also offer higher torque output and better shock load tolerance. Finally, they are an economical option to reduce the device's power requirements.
low noise
Low-noise worm gear reducer gearboxes are designed to reduce noise in industrial applications. This type of reducer gearbox uses fewer bearings and can work in various mounting positions. Typically, a worm reducer gearbox is a single-stage unit with only one shaft and one gear. Since there is only one gear, the noise level of the worm gear reducer gearbox will be lower than other types.
A worm gear reducer gearbox can be integrated into the electric power steering system to reduce noise. Worm reducer gearboxes can be made and from many different materials. The following three-stage process will explain the components of a low-noise worm reducer gearbox.
Worm gear reducer gearboxes can be mounted at a 90-degree angle to the input worm shaft and are available with various types of hollow or solid output shafts. These reducer gearboxes are especially beneficial for applications where noise reduction is essential. They also have fewer parts and are smaller than other types of reducer gearboxes, making them easier to install.
Worm gear reducer gearboxes are available from various manufacturers. Due to their widespread availability, gear manufacturers maintain extensive inventories of these reducer gearboxes. The worm gear ratio is standard, and the size of the worm gear reducer gearbox is universal. Also, worm gear reducer gearboxes do not need to be sized for a specific purpose, unlike other load interruptions.
A worm gear reducer gearbox is a transmission mechanism with a compact structure, large transmission ratio, and self-locking function under certain conditions. The worm gear reducer gearbox series products are designed with American technology and have the characteristics of stable transmission, strong bearing capacity, low noise, and compact structure. In addition, these products can provide a wide range of power supplies. However, these worm reducer gearboxes are prone to leaks, usually caused by design flaws.
Worm gear reducer gearboxes are available in single-stage and double-stage. The first type consists of an oil tank that houses the worm gear and bearings. The second type uses a worm gear with a sleeve for the first worm gear.
When choosing a gear reducer gearbox, it is essential to choose a high-quality unit. Improper gear selection can cause rapid wear of the worm gear. While worm gear reducer gearboxes are generally durable, their degree of wear depends on the selection and operating conditions. For example, overuse, improper assembly, or working in extreme conditions can lead to rapid wear.
Worm reducer gearboxes reduce speed and torque. Worm gears can be used to reduce the speed of rotating machines or inertial systems. Worm gears are a type of bevel gear, and their meshing surfaces have great sliding force. Because of this, worm gears can carry more weight than spur gears. They are also harder to manufacture. However, the high-quality design of the worm gear makes it an excellent choice for applications requiring high torque and high-speed rotation.
Worm gears can be manufactured using three types of gears. For large reduction ratios, the input and output gears are irreversible. However, the worm reducer gearbox can be constructed with multiple helices. The multi-start worm drive also minimizes braking effects.
Self-locking function
The worm reducer gearbox is self-locking to prevent the load from being driven back to the ground. The self-locking function is achieved by a worm that meshes with the rack and pinion. When the load reaches the highest position, the reverse signal is disabled. The non-locking subsystem back-drives the load to its original position, while the self-locking subsystem remains in its uppermost position.
The self-locking function of the worm reducer gearbox is a valuable mechanical feature. It helps prevent backing and saves the cost of the braking system. Additionally, self-locking worm gears can be used to lift and hold loads.
The self-locking worm gear reducer gearbox prevents the drive shaft from driving backward. It works with the axial force of the worm gear. A worm reducer gearbox with a self-locking function is a very efficient machine tool.
Worm gear reducer gearboxes can be made with two or four teeth. Single-ended worms have a single-tooth design, while double-ended worms have two threads on the cylindrical gear. A multi-boot worm can have up to four boots. Worm reducer gearboxes can use a variety of gear ratios, but the main advantage is their compact design. It has a larger load capacity than a cross-shaft helical gear mechanism.
The self-locking function of the worm reducer gearbox can also be used for gear sets that are not necessarily parallel to the shaft. It also prevents backward travel and allows forward travel. The self-locking function is achieved by a ratchet cam arranged around the gear member. It also enables selective coupling and decoupling between gear members.
high gear ratio
Worm reducer gearboxes are an easy and inexpensive way to increase gear ratios. These units consist of two worm gears - an input worm gear and an output worm gear. The input worm rotates perpendicular to the output worm gear, which also rotates perpendicular to itself. For example, a 5:1 worm gearbox requires 5 revolutions per worm gear, while a 60:1 worm gearbox requires 60 revolutions. However, this arrangement is prone to inefficiency since the worm gear experiences only sliding friction, not rolling friction.
High-reduction applications require many input revolutions to rotate the output gear. Conversely, low input speed applications suffer from the same friction issues, albeit with a different amount of friction. Worms that spin at low speeds require more energy to maintain their movement. Worm reducer gearboxes can be used in many types of systems, but only some are suitable for high-speed applications.
Worm gears are challenging to produce, but the envelope design is the best choice for applications requiring high precision, high efficiency, and minimal backlash. Envelope design involves modifying gear teeth and worm threads to improve surface contact. However, this type of worm gear is more expensive to manufacture.
Worm gear motors have lower initial meshing ratios than hypoid gear motors, which allows the use of smaller motors. So a 1 hp worm motor can achieve the same output as a 1/2 hp motor. A study by Agknx compared two different types of geared motors, comparing their power, torque, and gear ratio. The results show that the 1/2 HP hypoid gear motor is more efficient than the worm gear motor despite the same output.
Another advantage of the worm gear reducer gearbox is the low initial cost and high efficiency. It offers high ratios and high torque in a small package, making it ideal for low to medium-horsepower applications. Worm gear reducer gearboxes are also more shock-resistant.
editor by Cx 2023-06-28