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 i D! U0 @+ w& C" s) u6 S
NOTE: CS=1000 ft/min for carbide insert used. Z W2 l( L4 U6 c0 K9 j
# |) N6 A: f% f# m; O$ Iso RPM(1)= 9 O% H8 R' f8 C* {9 E8 L
RPM(2)= ^) q \( ]' A- C5 Q6 S3 M: Y RPM(3)= ) H( b! U2 g9 C2 \& [5 e0 B RPM(4)= - C. e$ }% x6 R6 |4 m- b! l- T# u1 ?& ]$ }7 F& G
谢谢指教。