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  1. #1
    Motors and driver arrived, just waiting for power supply and breakout board to test them out.

    Now the big questions:
    -what would be the ideal setting for the drivers? amps and microsteps?
    -whats the correct wiring for the motor and driver? series/parallel/other?
    -what type of connectors and cables should I use to connect motor and driver ? 18awg 8conductor? ethernet cables?? please point me to a site that sells good ones or is normal cat5/6 sufficient?

    edit: sorry I kinda felt dumb asking the last question, now I understand that the 8 wires from the motor would be paired so the cable should be 4 core as stated in other posts. and I guess ethernet is ok for connection between stepper driver and breakout board?

    however what would you recommend to connect the motor cable? straight up soldered into the long 4-core or connectors?

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    Last edited by Noplace; 23-01-2015 at 05:49 AM.

  2. #2
    Quote Originally Posted by Noplace View Post
    however what would you recommend to connect the motor cable? straight up soldered into the long 4-core or connectors?
    Yes, solder then cover each joint with heatshrink sleeving. Then solder a piece of wire about 200mm long, of the same thickness as the core wires, to the screenm then cover the whole area with a larger piece of heatshrink. Now you should have all the joints covered and that 200mm piece of wire coming out from under the large heatshrink sleeving and that wire is used to earth the screen.
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

  3. #3
    Quote Originally Posted by EddyCurrent View Post
    Yes, solder then cover each joint with heatshrink sleeving. Then solder a piece of wire about 200mm long, of the same thickness as the core wires, to the screenm then cover the whole area with a larger piece of heatshrink. Now you should have all the joints covered and that 200mm piece of wire coming out from under the large heatshrink sleeving and that wire is used to earth the screen.
    Just for completeness I would suggest 4 core CY 1mm or 1.5mm cable as http://www.csecables.com/acatalog/CY-Cable-4-Core.html .. Clive

  4. #4
    Just started learning solidworks, please bare with me I'm a total beginner in this thing but somehow managed to design the frame as I intended based on the parts I bought:

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  5. #5
    Here is my design of the gantry side plates, the hiwin blocks are actually longer and would be mounted at both ends and not like the design below, I just couldn't find the right CAD model for the HGH35CA

    the plates are 10mm thick and they would attach from the bottom outside to the ballscrews ( again sorry I couldn't find the proper CAD models, really new to this and self learning)



    Guys I could really use some advise and guidance at this stage, really appreciate it.

    Also if anyone is a solidworks expert, I couldn't figure out a way to mate the left and right linears, maybe it will show in the photo that they are not exactly aligned.
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  6. #6
    If the gantry side plates are aluminium then 20mm thick is the usual advice.
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

  7. #7
    use parallel mates to hold the bearings on the rails ... then use co-incident mates to hold the 10mm plates onto the bearings
    you also use a coincident mate to keep the front faces of the two bearings aligned, so when move the one gantry arm, the other will follow

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