Any machinists out there?
Just wondering if anybody recognizes what kind of material might be used at a cutting speed of 375 ft/min and have a tool life of 5.5 minutes. Or a cutting speed of 275 and a tool life of 53 minutes.
answer: high speed steel

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pics or gtfo
Last edited by HiImBrian; 09-15-2008 at 11:45 PM..
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