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. . Q( E [: o; a4 qNOTE: CS=1000 ft/min for carbide insert used. - x! E( n5 y3 l. |3 M+ T: k6 ]+ L' ` g
so RPM(1)= / {1 u. C% Y' I0 s/ m; w
RPM(2)= ; w+ C+ V! H% p5 {3 p D% u RPM(3)=: W a/ F, ^3 Q& o% `; L! M* s
RPM(4)= ' K3 I' W2 c" N/ ]" ?* h; n" ?/ q% E* Z
谢谢指教。