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WorkBee CNC 1500x1500mm - Setup Help required.

Discussion in 'CNC Mills/Routers' started by Camvec, Mar 18, 2018.

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  1. Camvec

    Camvec New
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    Hello you wonderful people. So today was a great day, I've finally finished building my new WorkBee, I'm a total newbie to be honest and I'm on a very steep learning curve.

    So I'm using UGS, got it all set up as per the instructions, changes the $code settings too! And all jog controls work as they should.

    I press $H and it goes to all 3 limit switches and backs of 3mm. - great! So next I place it roughly centred on x/y set home zero point then I move it away and I can return to to home. Superb,

    MY QUESTION IS..... When I move the Y down to the bottom or X to the left it hits the plates. What have I done wrong? Should it just stop just before it hits the plates? I've set the correct $code on lines 131 & 132 (maximum travel) -200mm and -230mm less than my CNC size respectively as described in the manual. But still it wants to hit the sides.

    Can I just increase the 131/132 figure temporarily to see if it will not hit the side.


    Any help would be greatly appreciated so I can get going with my machine, thanks folks look forward to hearing your replies cheers Camvec (Scotland)
     
    #1 Camvec, Mar 18, 2018
  2. T4Concepts

    T4Concepts Journeyman
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    Hi Cameron,

    What are your 'Soft' and 'Hard' limits set to ? $20 may need to be set to '=1' if it's OFF ( =0 ). I may be wrong, but I think the 'Soft Limit' is a safeguard for the maximum travel set.
    This may help > gnea/grbl

    Let us know if this worked mate, as I'm still learning this stuff as well.


    TURK
     
    #2 T4Concepts, Mar 25, 2018
  3. Vincent Walsarie

    Vincent Walsarie New
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    Is it working correctly already?
    I’ve had the same thing, could it be that your limitswitches aren’t at the very end of the v slot beams?
    Otherwise I’d set $131&132 to say 500 and make sure it stops there..

    Still learning also... :)
     
    #3 Vincent Walsarie, Apr 14, 2018
  4. Vincent Walsarie

    Vincent Walsarie New
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    What I’m facing with is the opposite, i get soft limit warnings of a 500x500 square on a 1000x1000 workbee

    Also my leadscrews are noisy video attached..
     
    #4 Vincent Walsarie, Apr 14, 2018
    Last edited: Apr 14, 2018
  5. GrayUK

    GrayUK Openbuilds Team Elder
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    I think, as far as a set-ups go, you've got a pretty quiet one there. There is a little resonance causing vibration, but other than that, I can't really hear a problem. :)
     
    #5 GrayUK, Apr 14, 2018
  6. halfshavedyaks

    halfshavedyaks Well-Known
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    really? is that really normal for the screw to get much louder for a bit partway through its travel? I haven't got a workbee yet, but If I heard that I'd be suspecting alignment issues or a bent screw.
     
    #6 halfshavedyaks, Apr 15, 2018

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