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.
! ?$ D9 L% W: g9 g3 _! g) kNOTE:  CS=1000 ft/min for carbide insert used.
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so  RPM(1)=      
    RPM(2)=
    RPM(3)=
) o% B7 Z4 W! }5 z, O' A    RPM(4)=
& ]& K- d; J# r- {$ P: j, N" p
谢谢指教。