在车、钻、铣,刨、热处理等机械加工中,勤劳朴实的工人、多年来一直采用车刀、钻头、铣刀、刨刀等加工所需要的零件。但是,随着工业生产和科学技术的不断发展,对加工的要求越来越高,采用人工或机械方法已很难满足要求,甚至无法加工。就在近二十年来,出现一名 In the car, drilling, milling, planing, heat treatment and other machining, hardworking and simple workers, over the years has been used lathe, drill, cutter, planer and other parts needed for processing. However, with the continuous development of industrial production and science and technology, the processing requirements are getting higher and higher, and the use of artificial or mechanical methods has hardly met the requirements or even can not be processed. In the past two decades, one person appeared