Power Housing Nmrv Worm Gear Reducer

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Worm Reducer

A worm reducer, also known as a worm gear reducer, is a type of gearbox that is used to reduce the speed and increase the torque of a rotating shaft. It is made up of a worm, which is a screw-shaped gear, and a worm wheel, which is a ring with teeth that mesh with the worm. As the worm turns, it drives the worm wheel forward, which in turn reduces the speed and increases the torque of the output shaft.

When choosing a worm reducer, there are a number of factors to consider, including:

  • The speed and torque requirements of the application: The worm reducer must be able to provide the speed and torque required for the application. If the worm reducer is not properly sized, it can fail.
  • The input and output shaft sizes: The input and output shaft sizes of the worm reducer must be compatible with the shaft sizes of the driving and driven machines.
  • The environment in which the worm reducer will be operating: The worm reducer must be made from materials that are resistant to the environment in which it will be operating. For example, if the worm reducer will be exposed to corrosive elements, it must be made from a corrosion resistant material.
  • The mounting arrangement: The worm reducer must be able to be mounted in the desired position. There are a variety of different mounting arrangements available, including foot-mounted, flange-mounted, and trunnion-mounted.


Product Description


TYPE Power Worm Gear Speed Reducer/Worm Gearbox
MODEL NMRV series size:025,030,040,050,063,075,090,110,130,150
RATIO 5,7.5,10,15,20,25,30,40,50,60,80,100
COLOR Blue(RAL5010)/Silver grey (RAL9022) or on your request
MATERIAL Housing:Aluminum alloy
USAGES Foodstuffs, Ceramics, Packing, Chemicals, Pharmacy, Plastics, Paper-making, Machine-tools

Applications of worm reducers

Worm reducers are used in a wide variety of applications, including:

  • Conveyor systems: Worm reducers are used to drive conveyor belts in a variety of industries, such as food processing, packaging, and manufacturing.
  • Hoists and winches: Worm reducers are used to drive hoists and winches in a variety of applications, such as construction, mining, and manufacturing.
  • Machine tools: Worm reducers are used to drive machine tools in a variety of applications, such as milling machines, lathes, and drills.
  • Steering systems: Worm reducers are used to drive steering systems in a variety of vehicles, such as automobiles, tractors, and trucks.
  • Elevators and lifts: Worm reducers are used to drive elevators and lifts in a variety of applications, such as construction, mining, and warehousing.

Advantages of worm reducers

Worm reducers offer a number of advantages over other types of gearboxes, including:

  • Self-locking: Worm reducers are self-locking, which means that they will not back-drive. This is important for applications where the load cannot be allowed to move backwards.
  • High efficiency: Worm reducers are very efficient, with an efficiency of over 90%. This means that very little power is lost in the transmission process.
  • High torque: Worm reducers can provide a high amount of torque, making them ideal for applications where a lot of power is required.
  • Compact size: Worm reducers are relatively compact in size, making them easy to fit into applications where space is limited.
  • Low noise: Worm reducers are relatively quiet when operating, making them ideal for applications where noise levels are a concern.

We are one of the best worm reducer manufacturers. We have exported our products to clients around the world and earned a good reputation because of our superior product quality and after-sales service. We warmly welcome customers both at home and abroad to contact us to negotiate business, exchange information, and cooperate with us!

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