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.; p4 J1 ?( _* ?' a0 A# W" s
Note: CS=80+ _: j8 ^2 W+ _- f1 k: ?0 X
4 m6 M1 P2 {9 x- E0 q
RPM 1/8= 7 P- s1 V3 D6 A' XRPM 3/4= . q9 i7 @& \1 o% q ; I9 Z. l3 o6 c+ @0 M3 JThanks a lot.
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发表于 2007-11-24 20:29
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