辊子是各类轧机,矿石或煤粉碎机,面粉磨粉机和造纸、制砖,纺织及印刷等机器设备的易磨损件。目前辊面的切削加工主要是用硬质合金刀具来完成。由于辊面材料多为高硬、高耐磨的难加工材料,加之辊子几何尺寸较大,故使刀具寿命短促,并不易保证加工精度和表面光洁度。本文介绍近几年来采用复合氮化硅 Roller is all kinds of mill, ore or coal mill, flour mill and paper, brick, textile and printing machinery and equipment, such as wear parts. The current roll surface machining is mainly used carbide tools to complete. As the roller surface material mostly hard, wear-resistant high-hard materials, coupled with larger roller geometry, it makes the tool life is short, not easy to ensure the processing accuracy and surface finish. This article describes the use of composite silicon nitride in recent years