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  1. #21

    Re: Bens convert mdf CNC to plywood

    Frankenmill! It's alive! What a beast. Nice work.
    WoodWorkerB
    HobbyCNC.com, WoodWorkerB.com

  2. #22
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    Nov 2015
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    Re: Bens convert mdf CNC to plywood

    thanks mate. now i just have to get volume down enough to use it !

  3. #23
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    Apr 2005
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    Re: Bens convert mdf CNC to plywood

    Looking good,
    I'll get it finished sometime after I start it.....

  4. #24
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    Re: Bens convert mdf CNC to plywood

    enclosure mostly done, also got 0.8 kw spindle, waiting on some colletsClick image for larger version. 

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  5. #25
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    Re: Bens convert mdf CNC to plywood

    Attachment 332816
    apparently 60mm per sec, 3mm into plywood too fast !

  6. #26
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    Re: Bens convert mdf CNC to plywood

    Quote Originally Posted by outtastep View Post
    Attachment 332816
    apparently 60mm per sec, 3mm into plywood too fast !
    That's usually caused by misalignment and metal fatigue. Those spiral couplers are unforgiving of any misalignment.

  7. #27
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    Re: Bens convert mdf CNC to plywood

    thanks devastator,
    Ill check alignmnet
    I though maybe these couplings are supposed to break when something goes wrong to prevent motor or machine damage (also i have no limit switches )
    ive ordered this one - Attachment 332916

    and am concerned that it might not provide the same point of failure next time i get something wrong

    as per tool settings, I dont think my machine is capable of cutting anything at 60mm per second, may not even be able to move that fast- i should have checked settings before going at it like a bull at gate !

  8. #28
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    Jun 2012
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    Re: Bens convert mdf CNC to plywood

    Quote Originally Posted by outtastep View Post
    I though maybe these couplings are supposed to break when something goes wrong to prevent motor or machine damage (also i have no limit switches )
    In some cases yes, they are advertised for that however, your steppers should stall or the bit should break long before that coupler should break. Your new coupler is much better.

  9. #29
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    Nov 2015
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    Re: Bens convert mdf CNC to plywood

    thanks

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