Thread: My Cnc build

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  1. #41
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  2. #42
    More pictures

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  3. #43
    Quote Originally Posted by Skiprat View Post
    One of my driver boards blew up so had to wait for a new one (bloody 120) hence the long wait for updates.
    Ouch.!!. . . Thats a silly amount for one drive. You should have mentioned on here because could have got you 3 much better drives for not much more.!!

    Anyway nice to see your enjoying CNC good fun isn't it.

  4. #44
    The drives i have are for a closed loop hybrid stepper and ive looked everywhere for them and the price is about the same....cheaper from asia but rather pay extra from the uk.

    Think i broke it from my inexperience with motor tuning so ive learnt to be extra careful in that department...

    Its an HBS86 superseeded by the EBS86 i think. mine was with postage and packaging but if anyone knows of them cheaper, then im interested for future reference...hopefully not though..

    Cheers Skiprat

  5. #45
    Quote Originally Posted by Skiprat View Post
    The drives i have are for a closed loop hybrid stepper and ive looked everywhere for them and the price is about the same....cheaper from asia but rather pay extra from the uk.

    Think i broke it from my inexperience with motor tuning so ive learnt to be extra careful in that department...
    Ok I see I was going on the cheap drives in the picture but your correct they can be got cheaper from asia. Also I can tell you it won't have broke thru incorrect motor tuning and at worst you would just stall the motors which won't hurt them. In correctly wired yes tuning No.

    Often the drives will give some indication thru flashing fault lights. If it just died then it could be due to Voltage spikes or maybe poor or loose motor wires, often the drives will have an internal fuse you can change. Or could have just been a Friday afternoon job when built.??

  6. #46
    funny enough i was playing with machine for a few months before my small cnc came available and the lights kept flashing overload....the only way to reset was to switch off the supply and back on...being a cold shed and sudden changes in state for the drive..i assumed the voltage spikes...i work in the electrical industry so should of known that..my own mistake...took drive apart and it looks like a wired resistor blew so might play with that at a later date..hopefully resurrect it...the pictures show the 6040 cnc i won on ebay and the drives which up to now have been faultless, but i do have a selection of new drives available if these fail as predicted on most forums...
    The motors were pre wired on my kitchen table before the move into cold shed so i do believe you are correct in the voltage spike syndrome...friday afternoon im too busy on the beer to but have been known to play in my shed under the influence...
    But as you said cnc is to much fun to be easy...love the stuff.
    Cheers Skiprat

  7. #47
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  8. #48
    Some other pictures

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    Last edited by Skiprat; 22-10-2015 at 11:47 PM. Reason: already shown....my fault

  9. #49
    Whats the small gear under the large gear doing.?

  10. #50
    The small gear is just the center of the large gear. The gears were ripped out of a motor rotor type box which fortunately i have 3 of. The small one if removed leaves a bore of approx 12mm in the big gear so instead of machining a shaft, i just left the little gear in which has the same bore of 8mm, which is the same as the shaft, other gears in picture and the bearings i bought. Now i know it works, i can find or buy some aluminium plate and cut some permanent fixtures.

    Basically the small gear is doing nothing but being the right size bore for the big gear but cost nothing since i already had them.

    Might buy some other gears as one unit because the way ive designed it, i can move the plate to accommodate different size gears.

    Cheers Skiprat

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