CNC题目,再请教。

27149

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.
NOTE:  CS=1000 ft/min for carbide insert used.
- l( C0 n) a( D
so  RPM(1)=      
    RPM(2)=
3 Q' @0 x3 [& b2 B    RPM(3)=
    RPM(4)=
: j. L* |" h- ^4 i/ ~7 ?
) T0 G: S& I' Y. G' k谢谢指教。