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我厂在加工 QM6热磨机的重要零件——垂直预热缸时,要在直径φ200、长730的内孔里加工六条花键槽,如图1所示.虽然该零件槽的精度和光洁度要求都不高,但是在这么长的内孔里加工6条圆弧花键槽,没有相当大的插床是无法加工的。为了解决加工问题,我们在普通的长 C630车床上安装了旋转式内孔花键槽铣头,将工件安装在大拖板上,改车床为铣床,进行铣削加工,解决了花键槽加工问题.一、结构原理该夹具的结构见图2。铣头体2通过法兰盘1的φ210_(+0.022)~(+0.07)凹台阶定位在车头主轴承的外径上,由 T 形
I plant processing QM6 hot mill of the important parts - vertical preheating cylinder, to diameter φ200, long hole 730 in the processing of six spline grooves, as shown in Figure 1. Although the parts of the groove accuracy and finish requirements Not high, but in such a long hole in the processing of six arc spline grooves, there is no considerable slot can not be processed. In order to solve the machining problem, we installed the rotary internal hole spline groove milling head on the ordinary long C630 lathe, and installed the workpiece on the big carriage and changed the lathe into the milling machine to carry out the milling processing to solve the spline groove processing problem. Structure principle The fixture structure shown in Figure 2. The milling head body 2 is positioned on the outer diameter of the main head bearing through the φ210 _ (+0.022) ~ (+0.07) concave step of the flange plate 1. The T-