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Type: Posts; User: fernjul

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    Nitride and Heat Treat Help

    I've been doing this for 20+ years and have had 2 crazy things happen in heat treat.

    1. Core hardened 4140 steel slugs Ø3" x 1" thick. Finish machined them holding +/-.0003 on 2 critical bores and...
  2. Hi, We are trying to do the exact same thing on...

    Hi,
    We are trying to do the exact same thing on a QT250 Smooth G machine. We tried changing RB74 Bit3 to 1 with no effect. Basically we have a manual program to M741. However the machine alarms to...
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