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Thread: big budget cnc

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  1. #61
    I can not find in posts if sb mentioned it earlier but I think that from Germany this is the best thing he could buy http://www.ebay.es/itm/CNC-Set-20x-1...53.m1438.l2649

    Ok, Not Hiwin. But Cheap, in Germany and supported square rail.
    project 1 , 2, Dust Shoe ...

  2. The Following User Says Thank You to Boyan Silyavski For This Useful Post:


  3. #62
    thx for the link very interesting
    I have changed the design of the machine a bit
    Everything will be made out of 80x80x4 mm thick steel
    My gantry way's about 50 KG of steel.
    I think the supported rails way about 6.6kg and the Z AX about 10 kg .
    So in total ist about 66.6 kg but maybe take 80 kg just to be sure.

    can i use these motors with a r&p system?
    i was thinking going the mechmate way : they hold the pinion against the rail with a spring.

    Click image for larger version. 

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    Click image for larger version. 

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    the machine is still in design fase so i can change a lot so if u guy's have more advice let me know

    thx

  4. #63
    You could move 60-70 gantry with 2x 3nm nema 23 motor driven at 70VDC, as most people on forum do.

    The motor you show is nema 34, will have more inertia. Ok, looking at the inductance of it its not too bad, i could say its even good. But you will need to drive it at least 110VDC as per its chart, or even better use 230V main power drives, which are much more expensive than AM822.
    project 1 , 2, Dust Shoe ...

  5. #64
    for software i would like to use estlcam ist a cad and machine sofware together and very easy in use.

    is there a set of nema 23 that u reccomend or do's it not really matter only that they need to be 3nm?

    What about this set?

    http://www.benl.ebay.be/itm/DE-Free-...cAAOSwiQ9ZR3aF

  6. #65
    this is the short motor. You need the longer Nema 23 . Could buy it from Uk, Price is good and they have full kit with drives, https://www.cnc4you.co.uk/Stepper-Mo...YGH301B-Nema23
    project 1 , 2, Dust Shoe ...

  7. #66
    could this one work ? Click image for larger version. 

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  8. #67
    Quote Originally Posted by pet30 View Post
    could this one work ? Click image for larger version. 

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    it could but is not the ideal. I pointed you the previous message to the ideal. Building the CNc you can make like 500 mistakes. When you are not sure which, what why, just follow the recommendations :-) or look more carefully into the data. And when you dont know what it means, follow the ...

    Click image for larger version. 

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    project 1 , 2, Dust Shoe ...

  9. #68
    witch driver is the best for those stepper motor's ?

    can i use arduino uno with the drivers?

    its because i want to use estlcam and it works with arduino uno or xPRO V3 Controller Stepper Driver so can i use these with the drivers?

  10. #69
    Quote Originally Posted by pet30 View Post
    witch driver is the best for those stepper motor's ?

    can i use arduino uno with the drivers?

    its because i want to use estlcam and it works with arduino uno or xPRO V3 Controller Stepper Driver so can i use these with the drivers?
    AM882 are a good choice for the drivers. With 68V power supply.
    Why would you want to use arduino uno to run a router?
    Any software will work with the drivers.
    Last edited by Clive S; 13-10-2017 at 11:42 AM.
    ..Clive
    The more you know, The better you know, How little you know

  11. #70
    Got the steel since friday i was a lot and very heavy.
    this weekeind i started to weld everything together with a small inverter and it works very well.
    Just a question do i need to bolt the machine to the floor ? do i need to put rubber between the bottom of the legs and the floor to have the less vibrations?
    Click image for larger version. 

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    Last edited by pet30; 29-08-2017 at 01:27 PM.

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