攻丝中出现的问题有多种原因,如丝锥的折断和崩刃、过度的磨损、加工速度与孔的状况和材料的特性不相适应。但一般可归结于或是丝锥的状况或是工作条件不利,而更可能的是由于这两种因素同时存在相互影响的结果。附表1有助于解决在攻丝过程中产生的问题,然而它并不能对每种情况都引述出其实际可靠的解决办法,因为应用中的变化是太大 Tapping problems that occur for a variety of reasons, such as tap breakage and chipping, excessive wear and tear, processing speed and hole conditions and material properties do not match. But generally can be attributed to the situation of the tap or the unfavorable working conditions and more likely to result from the simultaneous interaction of these two factors. Schedule 1 helps to solve the problems that arise during tapping, however it does not cite a realistic solution for every situation because the changes in the application are too large