攻丝模板使你在手工攻丝的开始阶段就能够对正 (即丝锥垂直于工件表面 )。一旦丝锥进入工件体内 ,该模板便可滑过丝锥端而移开。模板上分别钻有与各种丝锥外径相适应的孔 ,孔的位置靠近模板边缘以使工件定位准确丝锥模板示意图攻丝初期的对正@杨向明 The tapping template enables you to align (that is, the tap is perpendicular to the workpiece surface) at the beginning of manual tapping. Once the tap enters the workpiece, the template slides over the end of the tap and moves away. Drill the template with a hole corresponding to the outer diameter of a variety of tap, the hole position near the edge of the template in order to accurately align the workpiece schematic diagram of the template Tapping initial alignment @ Yang Xiangming