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.9 z# E) N# l" p, d
NOTE: CS=1000 ft/min for carbide insert used./ _8 _7 I- T1 B1 _% S
" j# t/ @* Z# ]$ B% Gso RPM(1)= 1 S5 ?: Y! c4 t, s
RPM(2)= + g' q4 x1 L" u3 l RPM(3)=- O' j s8 k# m( p
RPM(4)=7 C. r8 \/ D- I9 r$ L6 @+ m