China high quality Output Flange Mounted Nmrv Worm Gearbox components of gearbox

Product Description

NMRV gearbox per motovario standare

Place of Origin:ZHangZhoug, China (Mainland)      Brand Name:EED             Model Number:NMRV30~150

Gearing Arrangement:Worm           Output Torque:2.6 ~ 479 N.M          Rated Power:0.06 ~ 4KW

Input Speed:1400 rpm                Output Speed:14 rpm to 186 rpm      Color:Silver or blue  
       
Material of housing:Aluminium alloy    Packing:Wooden box/Paper carton        
 
Mount Position:Foot Mounted, Flange Mounted          Extra service:OEM is welcome         

Quality Control System:ISO9001:2008

Size: NRV30. NRV40. NRV50. NRV63. NRV75. NRV90. NRV110. NRV130. NRV150

Structure Features
1. Made of high-quality aluminumalloy, light in Weight and non-rusting
2. Large in output torque
3. Smooth in running and low in noise, can work long time in dreadful conditions
4. High in radiating efficiency
5. Good-looking in appearance, durable in service lifa end small in volume
6. Suitable for ominbearing installation

Main Materials
1. Housing: Die-cast aluminum alloy(size 571-090), cast iron(size 110-150)
2. Worm sahft: 20CRMNTI, carbonize heat treatment make the hardness of gear's surface up to 56-62 HRC. Retain carburization layer's thickness between 0.3 and 0.5mm after precise grinding
3. Worm wheel: Wearable stannum bronze alloy

Surface painting
Aluminum alloy housing:
1. Shot blasing and special antiseptice treatment on the aluminum alloy surface
2. After phosphating, pain with bule. Sliver, grey, red or based on customer demands.
 

 

About Xingda since 1984
HangZhou Melchizedek Import & Export Co., Ltd. is a leader manufactur in mechanism field and punching/stamp
ing field since 1984. Our main product, NMRV worm gear speed reducer and series helical gearbox, XDR,
XDF, XDK, XDShave reached the advanced technique index of the congeneric European and Janpanese produc
ts, We offer standard gears, sprockets, chains, pulleys, couplings, bushes and so on. We also can accept orders
of  non-standard products, such as gears, shafts, punching parts ect, according to customers' Drawings or sam-
ples. 

Our company has complete set of equipment including CNC, lathes, milling machines, gear hobbing machine, g-
ear grinding machine, gear honing machine, gear shaping machine, worm grinder, grinding machines, drilling m-
achines, boringmachines, planer, drawing benches, punches, hydraulic presses, plate shearing machines and s-
o on. We have advanced testing equipments also. 

Our company has established favorable cooperation relationships with sub-suppliers involving casting, raw mat-
erial, heat treatment, surface finishing and so on.

                                                               

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Application: Motor, Machinery, Agricultural Machinery
Function: Change Drive Torque, Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Torque Arm Type
Step: Single-Step
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

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 high quality Output Flange Mounted Nmrv Worm Gearbox   components of gearbox	China high quality Output Flange Mounted Nmrv Worm Gearbox   components of gearbox
editor by CX 2024-04-04