我厂最近制造成功一种倒顺牙攻螺纹工具,它的体积很小构造简单,携带很方便,便于在小型台钻上使用,操作也非常便利,受到车间老师傅们的欢迎,现将它的结构和操作简单介绍如下: 工具构造,1是外壳,上部跟尾柄2用螺纹相接。3是内齿轮,通过固定销4把它紧固在外壳1上。5是心轴,下端装有一只专门装夹螺丝攻的夹头6;上端开有方 Our factory recently successfully manufactured a kind of inverted tooth tapping thread tool, its small size and simple structure, easy to carry, easy to use on a small bench drill, the operation is also very convenient, welcomed by the shop master who now it The structure and operation of a brief introduction is as follows: Tool Construction, 1 is the shell, the upper tail with thread 2 phase. 3 is an internal gear, which is fastened to the housing 1 by a fixing pin 4. 5 is the mandrel, the lower end equipped with a special grip screw tapping chuck 6;