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.3 E' _: T5 B8 c8 S$ \
NOTE: CS=1000 ft/min for carbide insert used. ! d! t- @) a5 n9 ?1 a$ f1 c3 ~4 U' S4 L3 \
so RPM(1)= . S0 K# p; }3 h. e: v# T; v1 W% I# n
RPM(2)= 5 ]# R, H0 `3 Q6 O RPM(3)= , g& h) W" |5 c% }- R3 d- \ RPM(4)= * q/ u; p$ @; o/ ^% K) ?0 \! G: ]9 H% ?
谢谢指教。
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鲜花(
鸡蛋(
发表于 2007-11-23 22:20
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