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." ^6 t: ?! A n& B) }7 j/ M
NOTE: CS=1000 ft/min for carbide insert used.0 i: ~& l3 _, g y {
7 A: e6 M; Q8 m0 a5 z1 dso RPM(1)= 2 V6 P; u& R' G6 n! Q$ J RPM(2)=9 v3 T7 p+ V& h* I
RPM(3)=5 T2 q7 b R5 L9 o
RPM(4)=% n# d( D+ A2 Z/ ?% H5 _; M
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发表于 2007-11-23 22:20
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