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有时因缺少专用圆弧车刀,而不得不把普通外圆车刀改磨成内圆弧车刀,这样耗时较多,可采用圆角立铣刀代替内圆弧车刀,其效果良好。其方法如下:采用“布朗—夏普”吸盘用工具垫块作为刀夹,其上带有5号C型弹性涨套,在一块短压板(或带夹)上钻两个与拖板上T型螺栓相配的通孔,以便夹紧垫块。然后选用一块厚度合适的垫片把工具垫块抬起到要求的高度,以使立铣刀对准车床主轴的中心线,尤其是加工标准尺寸的圆弧时,这种方法非常有效。
Sometimes due to the lack of special arc turning tool, and had to transform the ordinary outer turning tool into an inner arc turning tool, so more time-consuming, you can use rounded milling cutter instead of the inner arc turning tool, the effect is good . The method is as follows: Use “Brown - Sharp” sucker tool pad as a tool holder, with a No. 5 C elastic rise sleeve, drill a short plate (or belt clip) Bolted through holes to clamp the pads. Then use a suitable thickness of the gasket to lift the tool lugs to the required height to align the end mill with the centerline of the lathe spindle, especially when machining standard-sized arcs.