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攻丝倒角组合夹头是一种通用性强,可装夹不同直径丝锥进行加工的夹具,可将先倒角后攻丝的两道工序合并为一道工序完成,提高了加工效率,降低了加工成本。夹头结构如图所示。锥柄1可插入钻床主轴孔中,方孔套7装夹丝锥,外套4与内套5之间用螺纹连成一体,外套下端用螺钉8固定倒角刀。改变内外套之间和螺母2的相对位置,可调整刀
Tapping chamfering combination chuck is a versatility, can be loaded with different diameter tap processing jig, the first chamfering tapping after the two processes can be combined into a process to complete and improve the processing efficiency and reduce the Processing costs. Chuck structure as shown. The taper shank 1 can be inserted into the drilling spindle hole, the square hole sleeve 7 clamps the tap, the outer sleeve 4 and the inner sleeve 5 are connected by a screw thread, and the lower end of the outer sleeve is fixed with a chamfering knife by a screw 8. Change the relative position between the inner and outer sleeve and nut 2, adjustable knife