A 1/8 inch pilot hole followed by a 3/4 inch dia hole to be drilled in end of a 3.875 inch dia shaft.Calculate the RPM of each drill.* L8 @* [4 v+ u3 G, {8 w
Note: CS=80; q2 d$ Q$ n3 f0 d0 N: I
4 d* X7 y; j/ d( Y( C: _$ A: X
RPM 1/8= " x3 d( [. U$ D, e1 r0 b8 yRPM 3/4=- R j/ m8 q9 m0 l) y
狗仔卡
鲜花(
鸡蛋(
发表于 2007-11-24 20:29
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡
楼主