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该行星铣螺纹头用于加工如图1所示工件的内螺纹。内螺纹孔前端过渡扣数只有一扣,且距底平面只有3毫米,二级精度,光洁度为5,零件材料为ZOSn6-6-3。 图2示出行星铣螺纹头的结构。 用梳形刀具,滑台快进→工进(工进为起缓冲),滑台到位压下行程开关,死挡铁停留,同时发出信号。刀具横向进给时在115°的圆周内铣够螺纹深度。齿条油缸带动齿轮及靠模丝杠旋转,实现刀具的周转且保证在主轴转一转的同时移动一个螺距。
The planetary thread milling head for processing the workpiece shown in Figure 1, the internal thread. Internal thread hole front buckle buckle only a deduction, and only 3 mm from the bottom of the plane, the second level of precision, finish of 5, the parts material is ZOSn6-6-3. Figure 2 shows the structure of a planetary thread milling head. With comb-type tools, slide into the fast forward → work into (work into a buffer), the slide pressure stroke limit switch in place, dead stop iron, at the same time send a signal. When the tool is infeed laterally, thread the threads to a depth of 115 °. The rack oil cylinder drives the gear and the lead screw to rotate, realizing the rotation of the cutter and ensuring that the pitch of the spindle is shifted by one pitch while rotating the spindle.