7778| 23
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薄壁零件,工艺求助 |
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点评
热处理的目的是为了降低45钢的硬度,去除工件大量切削的切削应力。
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小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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