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Pinion Gear Alignment Question

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  • Pinion Gear Alignment Question


    I'd like some expert opinions from owners on whether or not this pinion gear on my gantry's X axis looks right.
    It seems like it should be fully engaged.
    I mentioned this to Camaster support a few weeks after I got the machine running a year ago and they didn't think it was a problem but I'm wondering if I should adjust it down to mesh better and wear more evenly.
    BTW, like some other folks on the forum I use the Dupont Chain-Saver spray lube for the rack and pinions.


    20210225_071136.jpg
    Pete
    ----------
    2021 Stinger I SR-24, 1kW Spindle
    Performance Pkg w/Gantry Lift, FTC
    Phenolic Top, Storm Vac, JTech Laser
    VCarve Pro 11.0
    www.gotoguysmarine.com
  • #2

    looks just like mine since 2012
    James McGrew
    CAMaster ATC 508
    The principle of Measure twice cut once has not been replaced by a CNC

    www.mcgrewwoodwork.com

    https://www.facebook.com/pg/Mcgrew-W...=page_internal

    Camera 1 ATC Closeup !
    https://video.nest.com/live/esNTrZ

    fixed 4-27-2020

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    • #3

      It may or may not make a difference but common sense would suggest that full engagement would be preferred. I looked at my 2013 Stinger and it was setup with full engagement.

      JMO
      Bruce Page
      Retired Hobbyist
      2013 Stinger 1 SR23
      FTC
      Laser Pointer
      HSD 1.7kw Spindle
      KRS USB Keypad
      Mick Martin Table
      Aspire 10.512, WinCNC
      Chips-a-flyin
      brucep128@gmail.com

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      • #4

        Will it work.... yes. Is it right.... no. It should be 100% aligned. Before you just move the pinion gear out, check the shaft length going into the pinion gear. A short shaft will cause the pinion gear to wobble which would be worse than the situation you have there. If you are not a heavy user, may be best just to leave it. Another way to look at it is you have 1/3 not engaged which will result in 1/3 more wear. I just checked my 2015 Stinger and it is 100% engaged.
        Last edited by hefty; 01-10-2022, 07:21 PM.
        John Stanley Stinger II 3'x4', FTC, Laser, 1.7 Kw HSD w/ AB 523 SVC drive, V Carve Pro 8, WinCNC

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        • #5

          You should pull that tranny and align the gears for full engagement. I have done it and it makes sense.
          While you have the tranny off, you may want to replace the gear just because.
          I have noticed on my machine that the gear wears faster than the rack, by design, so it is a consumable. I keep several spares just for this case.
          Existing:-2014 Cobra 5x10 ATC w/ 10 hp spindle, Mozaik, 25 hp Becker High Vacuum Pump, 5 HP Oneida DC-Central Texas
          New:-2014 Cobra 5x12 ATC w/ 10 hp spindle, pop up pins, phenolic top, lathe, vacuum relief valve, mister system, 25 HP Blower.

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          • #6

            Originally posted by hefty View Post
            ... Before you just move the pinion gear out, check the shaft length going into the pinion gear. A short shaft will cause the pinion gear to wobble which would be worse than the situation you have there.
            This was my main concern but I guess I won't know until I try to move that pinion gear down a little.

            Pete
            ----------
            2021 Stinger I SR-24, 1kW Spindle
            Performance Pkg w/Gantry Lift, FTC
            Phenolic Top, Storm Vac, JTech Laser
            VCarve Pro 11.0
            www.gotoguysmarine.com

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