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從一根斷銷軸說起 |
點(diǎn)評
我再追問一句,像這種低循環(huán),同樣材質(zhì),銷軸直徑換成140mm,你說用什么介質(zhì)淬火?
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點(diǎn)評
40的銷軸有沖擊,140的銷軸以靜載為主;我剛才說漏了,沒寫調(diào)質(zhì),實(shí)際情況是,調(diào)質(zhì)也沒嚴(yán)格控制各項(xiàng)溫度,沖擊功還是很差的,有數(shù)據(jù)為證;實(shí)際中,車間敢不給你回火,直接就鍍鋅了
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點(diǎn)評
的確是這樣.整個(gè)流程,只要有一處斷鏈,這夠受的.
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