修理人员在维修机械、仪器或车辆时,经常遇到零件螺纹损坏或需要给零件套出一段螺纹。就得将零件固定后用板牙架和板牙对需要有螺纹的部分进行手工套丝。如果操作者在工作中遇到手边没有板牙架的情况,现介绍一种临时处置方法:就是在活动扳手的固定钳口边上开一小槽,用这把开有小槽的活动扳手代替板牙架进行套丝。 Repair staff in the maintenance of machinery, equipment or vehicles, often encountered parts thread damage or need to set a thread to the part. You have to fix the parts with a dental holder and the die on the need to thread the part manual threading. If the operator encountered in the work situation without a dental holder, is now introduced a temporary disposal method is to move the wrench fixed jaw to open a small groove on the edge, with this open a small slot wrench instead of teeth Threading sets of silk.