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." ^. R0 ?- o4 D" f
NOTE: CS=1000 ft/min for carbide insert used. 0 M: V# l4 u6 r$ D7 D+ ~* I7 U4 W8 [8 d9 r% e
so RPM(1)= $ S; C4 x# P' g RPM(2)= 1 a$ t6 g9 @% j+ i! X& U RPM(3)= 1 U6 N# I7 X4 N. @ RPM(4)=7 k) @' {" `7 G. e2 ]* X0 p
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发表于 2007-11-23 22:20
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