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为进一步提高材料的利用率、简化刀具的生产工艺、降低刀具成本，进行了Ｍ２铸造高速钢的研究。试验结果表明，Ｍ２铸造高速钢的性能优于锻造Ｍ２高速钢，车刀的切削寿命提高３０％～５０％。
In order to further improve the utilization of materials, simplify the production process of knives and reduce the cost of knives, the research on M2 casting HSS was carried out. The test results show that the performance of M2 casting high speed steel is better than that of forging M2 high speed steel, and the cutting life of turning tools is increased by 30% ~ 50%.