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. 7 `( }; l% `6 D% h/ }( y* J4 yNOTE: CS=1000 ft/min for carbide insert used.4 a* f+ V0 j$ q; p& ^0 N h2 B
% [* g7 a5 a% @0 ]; j
so RPM(1)= " v4 M& h6 e0 b2 F& X1 Y RPM(2)= $ i; w/ ^- Z9 d {7 I, ^ RPM(3)=: q6 i3 K" b- S7 w' D; ?
RPM(4)=4 e- |1 w) i! V0 Z3 b) I! D+ m