论文部分内容阅读
图１所示为一套筒形磨具体的零件图，材料为铸铁（ＨＴ２００），零件两端４０ＪＳ６内孔对外圆基准面Ａ的跳动量允差为０．０１ｍｍ。６０ｈ６外圆及３５内孔已加工至图纸要求尺寸，４０ＪＳ６孔留精车余量０．３ｍｍ，现需精车磨具体两端内的台阶孔。图１该工序...
Figure 1 shows a part of a barrel-shaped abrasive body made of cast iron (HT200). The allowable tolerance of 跳40JS6 bore at both ends of the part to the outer cylindrical datum A is 0.01mm. 60h6 cylindrical and 35 bore has been processed to the size of the drawings, 40JS6 hole left fine car margin 0.3mm, is required to fine car mill both ends of the step within the hole. Figure 1 This procedure ...