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.; t U: }, t- x0 d
NOTE: CS=1000 ft/min for carbide insert used.( h R( P( J m
* l. G2 Q5 K! E! j! ]so RPM(1)= ( W2 ^+ y) r" ?+ N" T! q
RPM(2)= " D$ ~: j. T( ^/ A( T! O* o RPM(3)=, W9 q+ ^: c) T. Q: S. z! t% L: ^
RPM(4)=: l- r) K/ P' N% C
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发表于 2007-11-23 22:20
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