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40cr鍛件軸,,粗加工,,調(diào)質(zhì),精加工,,高頻淬火,,磨量發(fā)現(xiàn)裂紋,最后探傷有裂紋 |
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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