Abstract
Aiming at the copper screw female parts of the rock drill friction pair that are made of tin bronze and easy to wear, the material, hardness, the metallographic structure and other comparative studies have conducted in-depth research on the formation mechanism of the application of thermal spraying technology on the copper spiral female parts of the rock drill product. The copper spiral female in the friction pair of the rock drill after heat treatment and thermal spraying has been tested on site by the customer. With better results, it is hoped that it can be used as a reference for the study of other friction pairs in rock drill products.
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