對于超高強度鋼(如D406A,抗拉強度1670MPa),切削速度中系數怎么確定?
& c% c; p8 D+ `0 A 切削力中系數怎么確定?
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http://www.3dportal.cn/discuz/data/attachment/forum/201602/15/122914c0wtx9o00ym0hohp.png
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