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Thread: Y-Bearings

  1. #31
    Join Date
    Jan 2014
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    Default Y-Bearings

    Quote Originally Posted by bergerud View Post
    I believe you have the newer y gearbox which most of us have not yet had a good look at. Some good pictures of the parts would be awesome. (We have been wondering what number on the big bearing is.)
    I had a local machine shop make me some metal shafts where the bearings wore the shaft down. So I have rebuilt 4 of my Y motors they are working great. I never had time to make them myself. They are a little pricey $45 dollars. I would love to find a few of the used plastic gears. They are easy broken in the process of rebuilding. I guess $45 is better then $90. The machine shop will do my next order cheaper sense he has the blueprint now. Carvewright should make the gears available. I am still trying to find out the large gear size on the newer Y gear boxes. My 3 machine run 8 hour a day 5 days a week or more. The large bearings donít have a marking on them. Wonder Why? I am still using the bearings itís just a matter of time before they go bad. If anyone has the size let me know I would also buy some used plastic gears from someone. Once my machine have run there life I will be going to a better machine. Carvewright does not offer replacement parts.
    ITíS A SHAME WE HAVE TO REPLACE THE WHOLE GEARBOX BECAUSE ONE PART WENT BAD........THAT BAD BUSINESS PLUS A LOT OF PARTS ARE NOT AVAILABLE ANYMORE.


    Sent from my iPhone using Tapatalk

  2. #32
    Join Date
    Jan 2007
    Location
    NE PA USA
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    Default

    I bought some 5 mm shafts on eBay and some 5 mm Stop rings cheap. Going to try that.

    I bet you can flip the shafts end for end if they wear thin for another cycle.

    This can be done cheap... I will fast track this on my work list... I have a bunch of worn gear shafts.

    I think we can fix our own gearboxes for less than 5 bucks....

    https://www.ebay.com/itm/RC-Helicopt...MAAOSw8lpZJ~Tt

    https://www.ebay.com/itm/1PC-Drill-B...kAAOSwH6lXQmqi
    Last edited by Digitalwoodshop; 06-21-2018 at 09:16 PM.
    Favorite Saying.... "It's ALL About the Brass Roller"..... And "Use MASKING TAPE" for board skipping in the X or breaking bits.

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  3. #33
    Join Date
    Jan 2014
    Location
    West Union, SC
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    44

    Default

    Quote Originally Posted by Digitalwoodshop View Post
    I bought some 5 mm shafts on eBay and some 5 mm Stop rings cheap. Going to try that.

    I bet you can flip the shafts end for end if they wear thin for another cycle.

    This can be done cheap... I will fast track this on my work list... I have a bunch of worn gear shafts.

    I think we can fix our own gearboxes for less than 5 bucks....

    https://www.ebay.com/itm/RC-Helicopt...MAAOSw8lpZJ~Tt

    https://www.ebay.com/itm/1PC-Drill-B...kAAOSwH6lXQmqi
    That looks interesting keep us updated.


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  4. #34
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    Jan 2007
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    NE PA USA
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    Default

    Quote Originally Posted by allenjones View Post
    That looks interesting keep us updated.


    Sent from my iPhone using Tapatalk
    I agree, it's just a standard 5 mm shaft with 2 end keepers... No need for a expensive Machine Shop Shaft.

    AL

    EDIT by AL..... WRONG..... It is a STEP Shaft thicker under the plastic.... Wrong again AL... .
    Last edited by Digitalwoodshop; 06-24-2018 at 12:14 PM.
    Favorite Saying.... "It's ALL About the Brass Roller"..... And "Use MASKING TAPE" for board skipping in the X or breaking bits.

    Follow ME on Facebook http://www.facebook.com/pages/Accoun...50019051727074

    www.PoconoDigitalWoodshop.com

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  5. #35
    Join Date
    Nov 2008
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    Vancouver Island
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    Default

    I do not see how a straight 5 mm shaft will work out so well. The original part steps up to a little over 1/4" to press into the gear.
    Attached Thumbnails Attached Thumbnails P1010431.JPG  
    Last edited by bergerud; 06-24-2018 at 11:02 AM.

  6. #36
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    I did not know that.... Looks like we are back to the $45.00 shaft.

    Can you measure the thickness of the thick area of the shaft please?

    EDIT: Just found a new one and enough of the thicker part is sticking out that I can measure it...

    It's .25 inches or about 6.4 mm.

    thanks,

    AL
    Last edited by Digitalwoodshop; 06-24-2018 at 11:37 AM.
    Favorite Saying.... "It's ALL About the Brass Roller"..... And "Use MASKING TAPE" for board skipping in the X or breaking bits.

    Follow ME on Facebook http://www.facebook.com/pages/Accoun...50019051727074

    www.PoconoDigitalWoodshop.com

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  7. #37
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    The step on this one is 6.55mm (0.258"). A 1/4" shaft loosely slides right through.

  8. #38
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    Quote Originally Posted by bergerud View Post
    The step on this one is 6.55mm (0.258"). A 1/4" shaft loosely slides right through.
    Thank you. The piece sticking out is likely tapered slightly at the transition to 5 mm that is why I am seeing .25.

    Thanks,

    AL
    Anyone still at the Conference that can pitch the idea to Joe to bring back the Fix for the Y Gearbox. The MWM A2073 Y Gear/Pulley Combo Assembly that sold for $6.00 each way back in 2011..... H E L P
    Even at $12.00 I would buy it...

    Attached Thumbnails Attached Thumbnails LHR Order 8 2011.jpg  
    Last edited by Digitalwoodshop; 06-24-2018 at 12:25 PM.
    Favorite Saying.... "It's ALL About the Brass Roller"..... And "Use MASKING TAPE" for board skipping in the X or breaking bits.

    Follow ME on Facebook http://www.facebook.com/pages/Accoun...50019051727074

    www.PoconoDigitalWoodshop.com

    www.AccountabilityTag.com


  9. #39
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    Default

    Talked to Connie today as a followup to the email I sent her to pitch the idea to Jow. She passed my eMail to the Boss. The short answer is that they will not offer the part.

    We tried...

    So for the Forum Members it is more important than ever we stick to a Preventive Maintenance Schedule and replace the "Y" Bearings inside the gearbox in a timely manor.

    AL
    Favorite Saying.... "It's ALL About the Brass Roller"..... And "Use MASKING TAPE" for board skipping in the X or breaking bits.

    Follow ME on Facebook http://www.facebook.com/pages/Accoun...50019051727074

    www.PoconoDigitalWoodshop.com

    www.AccountabilityTag.com


  10. #40
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    Nov 2008
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    Default

    What I would like to known is: do the new gear boxes with the larger bearing still need the same maintenance?

    Has anyone had these new bearings fail yet??

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