A 6.5 inch dia shaft is to be machined on a TURNING CTR to 4.5 inch dia in 4 equal cuts. If CONSTANT CS is selected calculate the RPM at the beginning of each cut.1 A6 }% a3 i6 g: F+ D g0 _7 M) H3 g0 i
NOTE: CS=1000 ft/min for carbide insert used. ! ^! _* H' I, J, `, ^. c6 {. u* N2 x6 Z6 @+ w$ m7 |3 K
so RPM(1)= % Z+ |2 x2 E9 |# { v# l! | RPM(2)=% R2 R+ W2 g6 h& [5 K5 s" g. t3 z
RPM(3)= * a, J& A6 u! M" v3 S& }6 z$ w RPM(4)=$ i4 C+ O0 e8 D2 }; ?, s' \
% P1 E# z6 s% e" T: h
谢谢指教。
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发表于 2007-11-23 22:20
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