拉絲機安全滑動系數(shù)計算
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LH-280/17拉絲機的增速比是:</DIV>
1.20:1,(最后一道:1.15:1),即:νn=1.2
A.滑動系數(shù):
1.τ3-τn取1.005
2.安全滑動系數(shù)τ2=(1.2/1.15)*1.005=1.04
請問各位高手為什么τ2=(1.2/1.15)*1.005=1.04