Making the guide roller for high-speed wire of vacuum sintered complex nickel alloy and using the lathe with PCBN tool instead of the grinding machine,and increasing service life.

• 采用真空熔结镍基合金复合材料制造商线导卫辊,并用PCBN刀具实现以车代磨工艺,提高导卫辊的使用寿命。