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根据扭转应力公式:[ τ ] =T / Wn 式中:T--扭矩,N-m Wn--抗扭矩,m^3 T = [ τ ] Wn# c) U% Y$ t4 [# P9 ` Wn=π /16(D^4-d^4)/D=0.196 (0.21^4-0.17^4)/0.21=0.0010375 m^3# z5 q9 z7 ]% x ...+ ] s: v+ ?8 l' c gaoyns 发表于 2007-12-19 11:35 http://www.3dportal.cn/discuz/images/common/back.gif
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