2767| 18
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M8的螺栓保证载荷是21200N,是2.12吨,最小拉力载荷是29200N,是2.92吨,那么为什么M8 |
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点评
Q235 , 235MPa*PI*3.4mm*3.4mm=8500N ,
10.8级 800MPa -----28.9KN
得看级别。
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点评
根据等级定义,可以算出来抗拉、抗剪的力
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