What is the working principle of RV series aluminum alloy worm gear reducer

1、 Core transmission structure foundation

1. The core transmission pair consists of a worm gear and a worm wheel, which are arranged in a 90 ° orthogonal axis.

2. As the active component, the worm gear is usually made of 20Cr steel treated with carbon nitrogen co diffusion, and the tooth surface hardness can reach HRC60 or above.

3. As the driven component, the worm gear is made of wear-resistant nickel bronze or tin bronze material, and the tooth profile is precisely matched with the worm spiral line.

4. The box is made of die cast aluminum alloy, which increases the heat dissipation coefficient by about 40% compared to cast iron, while significantly reducing the overall weight of the machine.

2、 Complete power transmission process

1. Power input: The high-speed rotational power of an electric motor or other power source is directly transmitted to the worm shaft, driving the worm to operate at high speed.

2. Mesh deceleration: The helical tooth surface of the worm gear drives the movement of the worm gear teeth groove. Due to the fact that the number of worm heads is much less than the number of worm gear teeth, the worm gear rotates multiple times, while the worm gear only rotates once, achieving significant deceleration.

3. Torque amplification: According to the law of conservation of power, torque is inversely proportional to speed when transmission losses are ignored. After deceleration, the output torque can be amplified several times to tens of times.

4. Power output: The worm gear drives the output shaft to rotate, transmitting low-speed and high torque power to the load equipment, completing the entire transmission process.

3、 Principle of Key Transmission Characteristics

1. High speed ratio feature: A single-stage transmission ratio can cover 5:1 to 100:1, and a large reduction ratio can be achieved without the need for multi-stage gears.

2. Self locking function: When the lead angle of the worm is less than the equivalent friction angle of the tooth surface, the transmission has reverse self-locking ability, and the load cannot drive the worm in reverse, which can prevent accidental reversal after the equipment is stopped.

3. Stable and low-noise: The worm and worm gear teeth are in continuous linear contact, with minimal impact during the meshing process, and the operating noise is usually below 60dB.

4. Heat dissipation advantage: The excellent thermal conductivity of the aluminum alloy box can quickly remove the heat generated by meshing and sliding friction, making it suitable for long-term continuous operation scenarios.