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  1. #1
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    Cool Newbie: CNC controllers

    HI All,

    Been lurking on this site for awhile. Really impressed with some of the machines being built. I've been working on a cnc setup of my own using aluminium, rollerblade bearings and a 2 pairs of linear THK slides. When it gets closer to completion, I'll post some photos. Till then, I 've got a few questions...

    I'm trying to determine which controller would be the best to consider. At this point since this is my first machine, I'm planning on going with stepper motors. I have a pair of Nema 34's, so I'll probably use them for now.

    I have been considering either using the FET3 controller found on stepper world or the xylotex controller.

    What are your opinions on these two??

    Thanks in advanced.

    --Mike

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    mbogucki,

    I had the same question almost a month ago.....

    I did not actually post it.. but I could not make up my mind...

    I enventually deside on xylotex, I'm not sure that the FET board has microstepping...

    but I did not like that I had to figure out and use some kind of limiting resistor...

    I can only guess that those resistor can get very hot by the heat sinks I've seen on them..

    (I'm loving my xylotex board.. ( Motors do not even get warm, I put to small fans on the driver chips but they also do not seem to get hot. )

    well just my 2 cents !


    Luis



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    Registered WOODKNACK's Avatar
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    I also have a xylotex board and am loving it! Very good for the money!

    My little piece of the web!
    http://users.adelphia.net/~wjdupont



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    The FET 3 is quite good, but I would also probably get the Xylotex, as it doesn't require the resistors, so it's easier to use a higher voltage power supply.

    Eric

    I wish it wouldn't crash.


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    Thumbs up

    Hi All,

    I wanted to express my thanks to all that have replied with your suggestions.

    Hopefully if all goes well, in about a week or two I'll be ordering myself a xylotex board.

    Thanks again!!!

    --Mike



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    Stepper world controllers are all Uni-Polar controllers. I would go with a Bi-Polar chopper controller. I think the Xylotex is one.

    Thanks

    Jeff Davis (HomeCNC)
    http://www.homecnc.info


    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)


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