一、概述数控机床诞生于五十年代初期,近十多年来发展较快。控制系统随电子工业和计算技术的发展不断更新换代,目前采用的微处理器控制系统,机能多达一百种,十分完备。而数控车床的发展更是突飞猛进,所占构成比逐年增加,如日本从1970年到1977年数控车床的年产量由589台增至3677台。机床布局形式新颖,实现了电、机、液—体化,在设计和制造水平上,都有新的突破。为了操作方便,改善排屑条件,采用斜式床身居多,小型高效、高精度是当前数控车床发展的另一种趋势,从而把使用领域扩 First, an overview CNC machine was born in the early 1950s, rapid development in recent years. Control system with the electronics industry and computing technology continues to replace the development of the current microprocessor control system used, up to 100 kinds of functions, is very complete. The development of CNC lathes is by leaps and bounds, the composition ratio increased year by year, such as Japan from 1970 to 1977, the annual output of CNC lathes increased from 589 to 3677 units. New forms of machine layout, to achieve the electricity, machine, liquid - body, in the design and manufacturing level, there are new breakthroughs. In order to facilitate the operation, improve the chip evacuation conditions, the majority of inclined bed, small and efficient, high precision is the current development of CNC lathe is another trend, so that the use of expansion