 鲜花( 2)  鸡蛋( 2)
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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.
! y6 F8 ~- p) O' ?& jNOTE: CS=1000 ft/min for carbide insert used.
) M' G# U2 ^0 i, J: F/ Z, @
7 K; l0 B# z' B% w. _( `: f! q) r0 w# ]so RPM(1)= ; D$ l, E% G2 E" z
RPM(2)=
4 u& y3 Q, ^# Y) V6 m RPM(3)=
; B0 r* p: {! p2 S RPM(4)=, m( A- F/ x$ ^5 h! c$ H
, c+ T& b) A0 z4 N9 k& h ]6 Q
谢谢指教。 |
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狗仔卡
发表于 2007-11-23 22:20
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