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. ) ^5 c: Z3 M" z" {Note: CS=80 : d$ U( C6 ~9 T# e; b: o- x( T3 C! Z% o- S, }. h9 ~
RPM 1/8= / _ c6 V# n1 A8 k2 ~RPM 3/4=. H" l7 M& b. W( G# A: G; R
2 Y8 V8 o! Z* p, o2 B( _ ^
Thanks a lot.
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发表于 2007-11-24 20:29
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