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.6 M6 k8 ]+ i; f: P
NOTE: CS=1000 ft/min for carbide insert used.2 O& @9 }3 m5 t8 ^# j
* R9 S; {6 m. Z. a& T. E9 o
so RPM(1)= 9 ^. t( ~, t( k% G, r0 p0 n
RPM(2)= - I! h! k) e0 ?6 O# D* v4 m2 _ RPM(3)= ; ]6 r7 J% ~- |' G. ?# I RPM(4)=$ a9 ?( C* ?4 B+ R0 K" F S- R
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发表于 2007-11-23 22:20
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