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. ( y2 Z$ O: {7 t% t6 n3 pNOTE: CS=1000 ft/min for carbide insert used.9 t' [$ b/ g/ {, Z
! [6 S! H% s4 I/ r& ~6 x
so RPM(1)= " l1 l# q/ I9 E- U5 N% Z RPM(2)=( A- I R" O [; T, L% N4 W5 t
RPM(3)=% j6 W0 O' ?& M0 E
RPM(4)=# i8 i8 Z3 ^ {+ K, h9 M, P' U; Y* U
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发表于 2007-11-23 22:20
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