批量生产的套类工件需倒内外角时,可用图1所示的组合刀具。该刀可用螺纹刀头焊接后组合而成,A、B两刃口可磨成直线或弧形,视需要而定。内倒角刀柄穿螺钉的孔铣成长槽,以便于调节两刀刃的相对位置。工件的壁较厚时,两刀之间可加适当厚度的垫片,垫片形状见图2。 Mass production of sets of parts to be inverted when the inner and outer corners, the combination of tools shown in Figure 1 can be used. The knife can be used after the combination of thread cutter head welding, A, B two-edged can be ground into a straight line or arc, as the need may be. Inside the chamfering hole through the screw milling groove, in order to adjust the relative position of the two blades. Workpiece wall thicker, between the two knives can be added to the appropriate thickness of the gasket, gasket shape shown in Figure 2.