zerowing 發(fā)表于 2013-5-8 12:53 ! l6 W9 ^+ g1 Z2 r, ?$ [: l 坐等對照。n=2*(4*d1*d2)/(d3*(d1+d2))*ni2 |% ~" F& ^( j* A2 s n是相對轉速,d1是外圈直徑,d2是內圈直徑,d3是滾子直徑,ni是 ...