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. ; Y( @2 T- N7 g/ S1 INOTE: CS=1000 ft/min for carbide insert used. 8 O$ x4 E! _8 h5 s 8 s8 ?& ^" y' [1 x# x& V8 T7 Aso RPM(1)= $ M3 ?4 }/ S6 A
RPM(2)= ; {) ^; H' D" x RPM(3)=) Y3 p5 C* Q" a+ c. c1 b8 `" l, Q N" C
RPM(4)=2 x4 ?" h' A4 j2 V- ?5 z
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发表于 2007-11-23 22:20
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