Common causes of worm gears

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Gear worm gear reducer is a compact structure, large transmission ratio, under certain conditions
Transmission machinery with self-locking function. Moreover, the installation is convenient and the structure is reasonable, and it is more and more widely used. It is equipped with a helical gear reducer at the input end of the worm gear reducer. The multi-stage speed reducer can obtain a very low output speed, which has higher efficiency than the single-stage worm gear reducer, and has less vibration, noise and Energy is low.

1. Common problems and their causes

1. Chengsu engine heats up and leaks oil. In order to improve efficiency, worm gears are generally made of non-ferrous metals, and worms are made of harder steel. Because it is a sliding friction drive, transport
More heat will be generated during the operation, which will cause differences in thermal expansion between the parts and seals of the Chengsu machine, thereby forming gaps between the mating surfaces, and the lubricating oil will become thinner due to the increase in temperature and easily cause leakage. There are four main reasons for this situation. One is the unreasonable combination of materials; the other is the poor quality of the friction surface; the third is the incorrect choice of lubricant; the fourth is the poor assembly quality and use environment.

2. Worm gear is worn. Worm gears-generally use tin bronze, the mating worm material is quenched with 45 steel
Hardened to HRC4555, or 40Cr hardened HRC5055, then ground by a worm grinder to a roughness of Ra0.8um. The reducer wears very slowly during normal operation, and some Cheng speed machines can be used for more than 10 years. If the wear rate is fast, it is necessary to consider whether the selection is correct, whether it is overloaded, and the material, assembly quality or use environment of the worm gear.

Company Profile

Zhejiang Wuma Reducer Co. Ltd is a national Hi-tech enterprise who pecialized in developing and production of various types of speed reducers.Our main products are RV series worm reducerhelical gearbox, WAH series hypoid gear reducer, precision planetary gearbox etc., more than ten series of products. We can also provide the service with special and customized products. Our products have been widely sold to all over China and exported to other countries and regions like Europe, America, Hong Kong, Taiwan and Southeast Asia and so on.

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