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本夹具可用于滚齿加工,特别是对轴齿轮,它具有定位准确,操作方便的特点。夹具由三部分组成(图1)。基座9是与设备联接和定位的基准(铸铁精加工件),下顶尖4是工件定位夹紧基准,它与定位体5中心孔配合,与滚齿机设计基准重合,安装后径跳≤0.002mm;夹紧板10是联接与装夹的部件,装夹后径跳<0.005mm。使用时将定位体5的D(与回转台中心孔配磨)部分擦净,涂少许润滑油,轻轻打入滚齿机回转台中心孔内,用夹紧板10压牢基座9,将顶尖放入定位体5中心孔内,使接
The fixture can be used for hobbing, especially on the shaft gear, it has the positioning accuracy, easy operation. Fixture consists of three parts (Figure 1). The base 9 is a reference for the coupling and positioning of the device (cast iron finishing part), the lower center 4 is the workpiece positioning clamp reference, which cooperates with the center hole of the positioning body 5 and coincides with the hobbing machine design datum, after installation, the diameter jump≤0.002mm ; Clamping plate 10 is the coupling and clamping parts, clamping diameter jump <0.005mm. When using the positioning body 5 D (grinding center hole with the rotary table) part of the wipe, coated with a little oil, gently into the hobbing machine rotary table center hole, with the clamping plate 10 pressed base 9, the top Into the positioning body 5 center hole, so pick