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.# O# Y2 Q2 R }/ V
NOTE: CS=1000 ft/min for carbide insert used.( F$ g+ ]* V- b( U# R
2 g7 e' S) Q( c. jso RPM(1)= % d$ Q3 r- j" I. L1 A2 H/ Q RPM(2)=7 |* E v/ o1 T' ~5 L1 G: o5 X- D; m
RPM(3)= ( I: Q' w2 H; c7 J RPM(4)=3 @; \- U7 k! W. _) N' G
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发表于 2007-11-23 22:20
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