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.) e3 Z9 Q) s! P: K# X9 C
NOTE: CS=1000 ft/min for carbide insert used.6 B0 z: w" h, ]/ ]% p! v: U3 z
+ x$ \; b3 b! M1 I
so RPM(1)= % W$ z: K4 ?& F; M2 i# B& [
RPM(2)=$ B @* a5 J% J! r
RPM(3)=+ u N8 R; [ D7 I, w% y
RPM(4)=/ J$ i& u1 g: P+ t
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发表于 2007-11-23 22:20
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