Abstract
A heavy-load resin grinding wheel with zirconia alumina abrasives plays a vital role in rail high-speed grinding (HSG) maintenance. However, the grinding wheel has the defect of short service life. Abrasives are the central performers in the cutting behavior of grinding wheels. A cubic boron nitride (CBN) composite abrasive was developed to enhance the performance of grinding wheels. The results showed composite abrasives bonded more tightly with the resin matrix, strengthening the structure of the wheel. The grinding efficiency and ratio of the composite grinding wheel were improved by 99.8% and 102% respectively, and the rail morphology was optimized.
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