在机械加工中常遇到高精度薄壁套类零件的加工,通常采用下述两种方法:一是将零件的外圆加大(增加零件的强度)先加工出内孔,再上芯轴加工外圆。二是将零件毛坯加长,留出工艺卡头。加工时卡工艺卡头加工零件。在长期的实践中,以上两种方法都有一定的弊端。第一种方法浪费材料,工艺复杂;第二种方法力量较大时,容易引起零件的变形,造成零件精度超差。 通过分析研究,在工艺卡头的内外圆上车出空刀槽来加工, In machining often encountered high-precision thin-walled sleeve parts processing, usually using the following two methods: First, the outer part of the larger (increase the strength of the parts) first machined bore, and then mandrel processing Outer circle. The second is to extend the rough parts, leaving the craft chuck. Processing card processing card processing parts. In the long-term practice, the above two methods have certain disadvantages. The first method is a waste of materials, process complexity; the second method is more powerful, easy to cause deformation of the parts, resulting in parts over accuracy. Through the analysis of research, in the process of the first round card on the outer slot to the processing,