Nmrv Series Worm Gear Reducer with Output and Input Flanges

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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.

Selecting the Right Worm Reducer

When selecting a worm reducer, it is important to consider the following factors:

  • Torque capacity: The worm reducer must have a torque capacity that is greater than or equal to the torque that is being transmitted.
  • Speed ratio: The worm reducer must have the correct speed ratio to achieve the desired speed reduction or increase.
  • Input and output shaft sizes: The worm reducer must have input and output shaft sizes that are compatible with the other components in the power transmission system.
  • Mounting type: The worm reducer must have a mounting type that is compatible with the application.
  • Service environment: The worm reducer must be made of materials that are suitable for the operating environment. For example, a worm reducer that will be used in a corrosive environment should be made of stainless steel.


Product Description

SNW SERIES Output Speed Range:
Type Old Type Output Torque Output Shaft Dia. 14rpm-280rpm
SNW030 RV030 21N.m φ14 Applicable Motor Power:
SNW040 RV040 45N.m φ19 0.06kW-11kW
SNW050 RV050 84N.m φ25 Input Options1:
SNW063 RV063 160N.m φ25 With Inline AC Motor
SNW075 RV075 230N.m φ28 Input Options2:
SNW090 RV090 410N.m φ35 With Square flange
SNW105 RV105 630N.m φ42 Input Options3:
SNW110 RV110 725N.m φ42 With Input Shaft
SNW130 RV130 1050N.m φ45 Input Options4:
SNW150 RV150 1550N.m φ50 With Input Flange

Types of Worm Reducers

Worm reducers are available in a variety of types, including:

  • Single-worm reducers: Single-worm reducers are the most common type of worm reducer. They use a single worm gear to drive a single worm wheel.
  • Double-worm reducers: Double-worm reducers use two worm gears to drive a single worm wheel. This provides even higher torque capacity and lower noise levels than single-worm reducers.
  • Right-angle worm reducers: Right-angle worm reducers are designed to transmit power between two shafts that are at a right angle to each other.
  • Inline worm reducers: Inline worm reducers are designed to transmit power between two shafts that are parallel to each other.

Advantages of Worm Reducers

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

  • High torque capacity: Worm reducers can transmit high torques, even with low input speeds. This makes them ideal for applications where high torque is required, such as lifting and moving heavy objects.
  • Low noise levels: Worm reducers operate very quietly, making them ideal for applications where noise is a concern.
  • Smooth operation: Worm reducers provide smooth and even power transmission, without any backlash or vibration. This is important for applications where precision is required.
  • High efficiency: Worm reducers have efficiencies of up to 98%, which means that they waste very little energy. This makes them an energy-efficient solution for power transmission.
  • Durability: Worm reducers are made of durable materials and are designed to withstand harsh operating conditions.

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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