A worm gearbox, also known as a worm gear reducer. That is a type of mechanical power transmission device . And mainly used to transfer torque and rotational speed. between two non-intersecting shafts that are perpendicular to each other.

Worm gearbox are also a popular type of reducer. because they provide maximum reduction in the smallest package. With a high reduction ratio and high torque output multiples. many power transmission systems use worm gear reducers. Worm gear reducers used in tuning instruments. medical test equipment, safety gates, and conveyor belts.



Despite their high gear ratio, worm gearboxes are highly efficient. which means that they waste less energy in the transmission process. This is because they use a sliding contact mechanism. which reduces the amount of friction and wear on the gears.

Compact Size:

Worm gearboxes are relatively compact compared to other types of gearboxes. This makes them ideal for space limited applications. such as in robotic arms and other precision equipment.


Worm gearboxes have a self-locking feature. which means that they can hold the load in place . without requiring an external brake or locking mechanism. This is particularly useful in applications where safety is critical. such as in construction equipment.

Quiet Operation:

Worm gearboxes operate quietly. which makes them ideal for use in environments where noise levels need to keep minimum.


inside of worm gearbox

Worm gearboxes ulited in a wide variety of applications. thanks to their unique characteristics. that make them ideal for certain types of machinery. Here are some common applications of worm gearboxes:

  • Conveyor systems
  • Packaging machinery
  • Elevators and lifts
  • Printing presses
  • Automotive industry
  • Industrial machinery

Series NMRV: Double Stage Worm Gearbox

  • Model No.:NMRV025, NMRV030, NMRV040, NMRV050, NMRV063, NMRV075, NMRV090, NMRV110, NMRV130.
  • Ratio:5,7.5,10,15,20,25,30,40,50,60,80,100
  • Color: Silver/Cinerous
  • Housing: Frame Size 25-090 Aluminum Alloy; Frame Size 100-130 Cast-Iron.
  • Worm Wheel: Abrasion-resistant tin bronze or aluminum bronze
  • Worm:20CrMnTi
  • Pinion:Tin Bronze/Cinerous
  • Output Shaft: 40Cr

Series NMRV: Double Stage Worm Gearbox

Choosing the right worm gearbox involves considering several factors. including the required torque, speed, and accuracy for your application. Here are the steps you can follow to choose the right worm gearbox:

Determine the required torque,speed ratio:

Calculate the amount of torque required to move the load in your application. This will help you choose the appropriate gearbox size.Determine the ratio of the output speed. to the input speed required for your application. This will help you choose the right worm gearbox with the right gear ratio.

Consider the operating environment:

Consider the temperature, humidity. and other environmental factors that may affect the performance of the gearbox. selected a gearbox that designed to operate in your application’s environment.

Choose the material:

Selected the appropriate material for your gearbox . based on the operating environment and the load that it will be carrying.

Consider the mounting options:

Consider the mounting options available for the gearbox. and choose the one that is best suited for your application.

Look for additional features:

Look for additional features that required for your application. such as shaft extensions, lubrication options, and input flanges.

Consider the manufacturer’s reputation:

Consider the manufacturer’s reputation. and the warranty offered with the gearbox.

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Related Products-

Helical Worm Gearbox

A KONIC helical worm gearbox (series S) has a power rating of 0.12KW to 55KW and a torque output of 55-10200Nm. Ratio: 7.1-500. Similar to the majority of gearboxes, the mounting location ranges from M1 to M6. Our gearboxes are simple to repair and replace due to their modular architecture. Additionally, any helical worm gearbox is compatible with helical gear motors. You can pick between a DC or AC supply for versatility and convenience.
Gearbox Selection Guide

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