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.' `' n/ g% y" E7 o3 k: I" `
NOTE: CS=1000 ft/min for carbide insert used.7 a* T6 d! V/ n) |
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so RPM(1)= % e- \* t; N8 X. B
RPM(2)= # z6 x: L4 }- Q RPM(3)=. m8 u. n5 U% i W9 V( S9 n( A
RPM(4)=6 a: B- r4 J# P( o( D3 x
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谢谢指教。