内螺纹大部分是用丝锥攻制。根据加工方法的不同,可分为机动攻丝和手动攻丝两种:手动攻丝劳动消耗量很大,尤其在批量较大的情况下更为严重,同时质量也难以保证;机动攻丝不仅效率高,而且质量也容易保证。 我厂生产任务中的攻丝工作量很大,必须采用机动攻丝始能适应需要,但厂内又 Most of the internal thread tapping attack. According to the different processing methods, can be divided into two kinds of motorized tapping and manual tapping: manual tapping labor consumption is large, especially in the case of larger quantities more serious, at the same time the quality is difficult to guarantee; motor tapping not only High efficiency, but also easy to guarantee the quality. I plant the task of tapping a lot of work, we must use the motor to start tapping to meet the needs, but the plant and