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 S' { X8 X p- f" ?* u# W* c
NOTE: CS=1000 ft/min for carbide insert used.9 _- ^/ E: v t; I- s6 J
( U8 D" s: ]( R, U# o+ x- p
so RPM(1)= ' ^) @0 L% d! q4 s! a RPM(2)=$ S0 t, D3 U+ i2 F' u
RPM(3)=4 e" ` @; A1 h; P6 e
RPM(4)=, D7 C0 \. @! v- E Q+ Y4 e
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发表于 2007-11-23 22:20
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