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./ M2 C* n4 L) s: {" d
Note: CS=80 9 `) i6 k M! J2 T, X 7 e/ L2 t7 m, t a6 S! a7 xRPM 1/8= X0 U- x3 @: B/ t! r+ h
RPM 3/4=% b) y9 y, N; I$ v; ~' Q0 b2 y' J
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发表于 2007-11-24 20:29
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