The worm gear reducer is a power transmission mechanism that uses the speed converter of the gear to decelerate the number of revolutions of the motor (motor) to the required number of revolutions and obtain a large torque mechanism. In the mechanism used to transmit power and motion, the application range of reducer is quite extensive. Its traces can be seen in the transmission system of all kinds of machinery, from ships, automobiles, locomotives, heavy machinery for construction, processing machinery and automatic production equipment used in the machinery industry, to common household appliances in daily life. , clocks, etc. The application of the reducer can be seen from the transmission of large power to the transmission of small loads and precise angle. In industrial applications, the reducer has the functions of deceleration and torque increase. Therefore, it is widely used in speed and torque conversion equipment.
In order to improve the efficiency of the worm gear reducer, non-ferrous metals are generally used as the worm gear and hard steel as the worm shaft. Because it is a sliding friction drive, during operation, it will generate high heat, which makes the parts of the reducer and the seal. There is a difference in thermal expansion between them, resulting in a gap between each mating surface, and the oil becomes thinner due to the increase in temperature, which is easy to cause leakage. There are four main reasons, one is whether the matching of materials is reasonable, the other is the surface quality of the meshing friction surface, the third is the selection of lubricating oil, whether the amount of addition is correct, and the fourth is the quality of assembly and the use environment.
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