Abstract
The article analyzes the prospects for the use of worm gears in the construction of vehicles. A review of the method of calculating the worm gear has been carried out, approaches to the selection of materials for the worm itself and the worm wheel have been analyzed. A comparative analysis of the characteristics of improved and normalized medium-carbon steels and cast irons has been carried out. The characteristics of materials characterized by the best antifriction and anti-seize properties, in particular, tin bronzes, are given. The methods for predicting the reliability of a worm pair as well as methods for increasing the resource have been considered. The choice of the material of the worm gear depending on the sliding speed has been justified. Calculations have been given to prevent failures in the worm pair: chipping of the working surfaces of the teeth, kinking of the worm wheel tooth, seizing and wear, breakage of the worm's body, overheating, jamming of the gear and others.
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