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鉆細長孔時如何保證垂直不偏 |
點評
想保證孔的直線度。要看工件的垂直度。其次引導孔很重要。鉆頭的角度。都要考慮。用什么材質(zhì)要適當合理的切削用量。
評分
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點評
切削速度跟單雙刃沒什么關(guān)系吧?
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點評
2.2的鉆頭1400太慢了,以我的經(jīng)驗肯定會偏.
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