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.- L* O0 z2 u& A% D$ H& o
NOTE: CS=1000 ft/min for carbide insert used., j" q8 Q* M7 K7 w8 r {
' ?" Y1 Q$ r7 r) N$ y+ Q' G* o+ s0 o
so RPM(1)= ' ?$ y& S2 p5 H# m% Z
RPM(2)=) h4 h, @) o1 x) U( N" n& R
RPM(3)= $ ~# w: B: G# i! k% q/ }* h( O RPM(4)=% c' m/ h; J, [* \
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发表于 2007-11-23 22:20
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