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.0 z$ `) y: p6 Y8 j1 A6 t! ^
NOTE: CS=1000 ft/min for carbide insert used.# c; f2 o4 ?. I2 }7 u
8 w7 h1 g c. E% }; h1 f; A, Eso RPM(1)= 4 z" t- a. G: W2 x) Z$ O9 X
RPM(2)= : u* P# v+ z# I& X2 D, j0 }1 f RPM(3)=, d w5 \, B5 X+ ^
RPM(4)= 5 P* h2 V' t% W2 m- `& J: `* T$ x. q, ^4 N" `& X: 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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