随着对金属切削机床制造用材料和加工精度要求的提高,必须改进机床用的传统材料及其工艺过程。为此,目前开发了如下一些全新的材料和新工艺。 1.新钢种及其强化工艺 微量钙合金钢是一种切削加工性能高的新钢种,近年来在许多工厂得到广泛的应用。冶金工业生产的AⅡ型含钙钢,可进 With the metal cutting machine tool manufacturing materials and machining accuracy requirements increase, we must improve the traditional materials used in machine tools and processes. To this end, the development of some of the following new materials and new technology. 1. The new type of steel and its strengthening process of micro-calcium alloy steel is a high performance machining of new steel, in many factories in recent years has been widely used. AⅡ-type calcium steel produced by the metallurgical industry can be entered