丝锥是怎样构成的？

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丝锥是怎样构成的？

[2018-01-27 10:28:23]

机用丝锥和手用丝锥是切制一般螺丝扣的规范丝锥。中国习气上把打造精度较高的高速钢磨牙丝攻称为机用丝锥，把碳素家伙钢或合金家伙钢的滚牙（或切牙）丝攻称为手用丝锥，理论上两者的构造和螺丝母丝锥。作业原理根本相反。通常，丝攻由作业全体和柄部形成。作业全体又分切割全体和校准全体，前者磨有切割丝锥，负担切割作业，后者用以校准螺丝扣的尺寸和形态。

推荐阅读：为什么丝锥在使用过程中会过早损坏？

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