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. . v" n6 E ?+ N$ b0 N. UNOTE: CS=1000 ft/min for carbide insert used.# U9 L. _7 N; Q) h5 } E
5 t7 P) c2 ]/ U0 y' ]3 C& v: B
so RPM(1)= ! A, l: i1 m) g
RPM(2)= . k; [* L/ q: `* g0 Q' [* H6 a: q RPM(3)=8 h' Z0 N9 B2 B- T/ s( J
RPM(4)=- {% B1 x; b$ \8 C
% N6 _/ ^. m! G* Y2 x8 D
谢谢指教。
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鲜花(
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发表于 2007-11-23 22:20
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