运用图示夹具进行XT3型拖拉机轴套内表面三个等距环状油槽的加工 此夹具机构,系藉挑床主轴的旋运运动以改变刀架走刀为往复动作,并同时划分轴套圆周成三个相等部分 在车床主轴1上装置花盘2,其上固定锥形齿轮3　此锥形齿轮亦作为夹套,藉螺钉4紧固待加工的轴套。该齿轮共48齿(m=5 The use of pictorial fixture XT3 tractor sleeve inner surface of the three equidistant ring groove processing fixture mechanism, by the pick bed spindle rotation movement to change the tool holder for the reciprocating action, and at the same time divide the sleeve circumference Three equal parts are mounted on the lathe spindle 1 on the face plate 2, on which the bevel gear 3 is fixed. This bevel gear also acts as a jacket, with which the bushing to be machined is fastened. The gear a total of 48 teeth (m = 5