本文主要介绍了汽车工业中黑色金属切削用PCBN刀具材料的开发及性能研究。针对黑色金属材料中的淬火钢及铸铁类材料的加工特点,设计开发了相应的PCBN材料,并加工成刀具进行了实际的切削实验,结果表明,所开发的PCBN刀具在汽车齿轮与缸套等零配件加工方面具有优异的性能。 This article mainly introduces the development and performance study of PCBN tool material for ferrous metal cutting in automobile industry. According to the machining characteristics of hardened steel and cast iron in ferrous materials, the corresponding PCBN materials were designed and machined and then cut into tools. The results show that PCBN tools developed in automotive gear and cylinder liner Spare parts processing has excellent performance.