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在多孔板孔内镗削环槽,是较为麻烦的,为此,设计了一种简易镗削工具,便用一般的摇臂钻床,即可进行环槽镗削加工。我厂加工有50个孔的多孔板孔内3×1环槽(图1),只用二十分钟,即加工完毕,效率较高。工具结构如图2所示,它由动力杆1、弹簧2、导向套3、镗刀5等组成。动力杆的锥体部分装入钻床主轴锥孔内,导向套通过方孔套在动力杆直方体部分(动配合),使之随动力杆移动和转动。动力杆斜方体部分
Boring the ring groove in the perforated plate hole is troublesome. Therefore, a simple boring tool has been designed so that a boring machine can be used for the boring of the ring groove by using a common radial drilling machine. I plant processing 50 holes perforated plate hole 3 × 1 ring groove (Figure 1), only twenty minutes, that is processed, higher efficiency. Tool structure shown in Figure 2, which consists of power rod 1, spring 2, guide sleeve 3, boring knife 5 and other components. The cone part of the power rod is put into the taper hole of the drill spindle, and the guide sleeve is sheathed on the cube part of the power rod (moving fit) through the square hole to make it move and rotate with the power rod. Power rod rhomboid part