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.: D2 i0 Y8 u& [) o
NOTE: CS=1000 ft/min for carbide insert used. ) v' \/ L6 o- q+ j7 I' A+ w6 j% \2 y ) @2 h9 J* N- h. v/ C+ l) H7 [7 bso RPM(1)= 1 }" G5 ]/ S; d! \7 j! k. f) X0 }
RPM(2)=! T! }/ L: Z4 M: _3 ~/ L: E. C
RPM(3)=$ a1 o5 Z4 v* w: j
RPM(4)= " L3 c2 X$ |* p0 ^8 e' V# x- P+ ^8 O$ B' Z9 \% X5 C. \6 v
谢谢指教。
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发表于 2007-11-23 22:20
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