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  1. #1

    Default clean y rail

    Need some help or suggestions, when carving lithophanes this weekend the machine stopped and a message to clean Y rails came up, I did, let the machine keep going and broke the tip of my first bit. Did a wood project no problem then attempted another litho different picture and the same message and same result broken bit number 2. I know not to bright! Different spots on the litho run 1st one about 1/4 of the way thru 2nd one about 3/4 thru. I am pretty sure its slight high spots on the litho boards but can't be positive. However I stopped the litho runs and ran two more wood projects no problem. I am using a sled that's .25 inch's deep to set my material in. This would be my 6 and 7 litho's using the sled no problems on the first ones. Any suggestions?

  2. #2
    Join Date
    Sep 2007
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    Northern Colorado
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    Default

    First thought on the clean Y rails would be a dull bit, corian chips in the y belt / y rails / y gears.
    RingNeckBlues
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  3. #3

    Default

    So here is a picture of one of the lithos the bit broke on, I included a whole shot then one close up with the bit tip still in the material. As far as the answer to the questions. To the best of my knowledge everything is correct nothing loose no wobbles fits tight. Again no issues with wood projects, I have included a picture of the latest wood project done after the litho issue started. A gift to my brother who retired from the air force. Also ran off two wood clocks today with no issues. Click image for larger version. 

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  4. #4
    Join Date
    Sep 2007
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    Northern Colorado
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    Did any of these happen right after you stopped the carving to do some cleaning?
    RingNeckBlues
    My patterns on the Depot
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  5. #5

    Default

    Yes the machine stopped and told me to clean the y rails, I cleaned them half hearted on the first one. after that I cleaned up the entire machine really good. On the 2nd one I cleaned as good as I could. All 3 breaks happened after the clean y rail came on. The breaks occurred within 10 seconds after I restarted the carves

  6. #6
    Join Date
    Sep 2007
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    Northern Colorado
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    Any chance that you moved the Y/Z truck while cleaning? Is so the machine probably lost it's location.

    The clean Y rails message is do to the machine seeing the Y not moving as expected. With Corian it is a harder material so more force is needed to carve. You might try tightening up the Y belt tension just a little bit.
    RingNeckBlues
    My patterns on the Depot
    DC-INSERT It Just Sucks!

    Proven to out perform all others!
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    All patterns and projects that I share on the CarveWright forum are for your personal carving purpose. They are not to be shared, sold or posted on any other web site without permission from RingNeckBlues Designs.

  7. #7
    Join Date
    Nov 2008
    Location
    Vancouver Island
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    Are we talking 1/32" carving bits? Were you carving on optimal? What material are you carving? Do you have dust collection?

    My guess would also be plastic chips sticking to the bottom y rails and rollers. It would explain the y message and could also make the y movement jerky explaining the broken bits.

  8. #8
    Join Date
    Nov 2008
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    Vancouver Island
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    I think a "clean Y rails" message is reported if the current being drawn by the y motor becomes relatively excessive. I agree, it is not a slip, but, an indication that it is having to work harder than it should to move.

    That is why I was thinking that the litho material may have been clogging the bit. It could get pretty hard to push a clogged bit.

  9. #9

    Default

    Actually I was using a 1/32 on the first attempt and them a 1/16 bit on the second bit, was carving on best, I do have a dust collector. The y rails are extremely clean

  10. #10
    Join Date
    Jan 2007
    Location
    NE PA USA
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    Default

    You joined in August so my first question is how many cut hours? If near 250 then I would replace the two 685ZZ Bearings inside the Y Gear box.

    Cut Motor brushes too every 250 cut hours....

    AL
    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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