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為什么攻絲時必須向前、向后交替旋轉?

作者:煤礦安全網 2013-11-02 08:46 來源:煤礦安全網

   為什么攻絲時必須向前、向后交替旋轉?
   答:攻絲時向前、向后交替旋轉,可使攻下的鐵屑折斷而落出,避免螺絲攻卡在孔中,并使螺絲攻的刃口能得到足夠的冷卻液和潤滑液。

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