这种刀具(图1)可用以加工外圆、切槽、端面、例角、切断、钻孔、攻丝和套扣等多道工序,解决了生产关键,提高了生产效率。使用时将组合刀具装夹在普通车床的四方刀架上,外刀杆1和内刀杆24可装夹四把车刀,供加工外圆、端面和切断等用。如需钻孔时,可将四方刀 This tool (Figure 1) can be used to process multiple steps such as outer circle, grooving, face, corner, cutting, drilling, tapping and clasping to solve the key production and improve the production efficiency. The utility model is used for clamping a combination tool on a square turret of an ordinary lathe. The outer cutter bar 1 and the inner cutter bar 24 can clamp four turning tools for machining the outer circle, the end face and the cutting and the like. For drilling, you can square knife