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.- x9 I, R/ Z$ G8 x
NOTE: CS=1000 ft/min for carbide insert used. ! q: t* d+ o) Y8 @' x3 A$ k( U 7 `# K y2 X+ kso RPM(1)= / F9 R. F9 b; z/ ]1 i* W. D+ Z RPM(2)= / v0 [7 @( \! s6 i9 j. ]7 d4 D& x RPM(3)=% `- `9 Z0 l. N& V$ B6 ?% l5 b5 Y% `
RPM(4)=. L6 Y1 U3 d8 D4 e ]. p' L% t9 [0 O n
5 P! v: T' S& s1 P% \" E/ F
谢谢指教。