A 1/8 inch pilot hole followed by a 3/4 inch dia hole to be drilled in end of a 3.875 inch dia shaft.Calculate the RPM of each drill.+ ]4 s" @& C4 D7 M1 J% {9 R
Note: CS=80 _6 a- D) [. j" u- j- S% Z$ b# H9 O* E" s" O
RPM 1/8= / ^6 ^ R3 ^, E9 E3 p1 VRPM 3/4= % W0 `6 z" y1 {% { 2 h5 j$ Y9 j- o3 G! Q- ?! sThanks a lot.
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发表于 2007-11-24 20:29
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