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Grizzly CT-918 feed rates

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  • Grizzly CT-918 feed rates

    There is a updated xls spread sheet at the Yahoo 9 X 20 lathe group site. It is named <<< Lathe Change Gears With Feed Rates.xls >>>. Beneath each of the inch and mm charts there is a trial line and below that the feed rates are calculated for any of the nine selector gear options. A more accurate ratio for the feed drive is 3.4049 as actually measured on my Grizzley. You may enter any tooth count for the 'a' or 'b' gears and see the TPI or the lead in mm as well as the feed rate for that combination.

    George

    PS The feed rate ratio should be entered into cell O1

    [This message has been edited by GJLawlor (edited 02-24-2003).]
    George L
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