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在高速切削阶形轴,尤其是阶数很多而每段又不长的时候,由于每车一段都要停车,调整吃刀,测量直径和长度以及开车等手续,所以辅助动作所需的时间,往往比切削时间还要大。在某个零件的小批生产中,辅助时间甚至占到全部工时的95％。苏联高速车工谢明斯基,设计了一种工具,使加工过程半自动化,因而大大缩短了辅助时间。利用这种工具,可以根据一个靠板,车削出各种形状,也可以车削阶形轴,并能保证车出直角。
In the high-speed cutting step shaft, especially when there are many steps and each section is not long, each section of the car must stop, adjust the eating knife, measuring the diameter and length and driving procedures, so the auxiliary action required time, Often larger than the cutting time. In the small batch production of a part, the auxiliary time even accounts for 95% of the total working time. Soviet high-speed mechanic Xie Minsiji, designed a tool to semi-automate the process, thus greatly reducing the auxiliary time. With this tool, it is possible to turn out a variety of shapes depending on a contact plate, as well as to turn a stepped shaft, and to ensure that the vehicle is at a right angle.