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.1 a3 c( S; y" ]2 u
NOTE: CS=1000 ft/min for carbide insert used.$ y: t5 n- d" d0 O' x0 \
' B2 K4 [' |) O2 q. L* J
so RPM(1)= 0 X) N2 I# k+ g, N0 l* {6 p
RPM(2)= 2 x1 t! C0 E, P RPM(3)= 1 P P( D3 w S. d7 ^. f- K" k; K RPM(4)= 8 U9 b( f) A- N$ }0 L3 ?! R4 {: T4 g# F$ a& B& x6 z7 c
谢谢指教。
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鲜花(
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发表于 2007-11-23 22:20
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