fwsc 發(fā)表于 2015-9-12 16:54: _, p! j& D" w% `) {9 ?. Y
用幾天就失效,過載了吧?
; J( G; `5 w! ` f: ?' y# b9 G; m8 ]8 x
45做導(dǎo)軌的熱處理是調(diào)質(zhì)HRC23~28,表面高頻淬火HRC38~42,硬化層深0.8~1.2mm, ...
fwsc 發(fā)表于 2015-9-12 16:54; e6 W' E4 p, x# D5 ~2 T7 b! D
用幾天就失效,過載了吧?# W" ~0 D) n6 `: x' |7 Z V+ a, P
4 h+ A @8 y* t1 \
45做導(dǎo)軌的熱處理是調(diào)質(zhì)HRC23~28,表面高頻淬火HRC38~42,硬化層深0.8~1.2mm, ...
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