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IndustryArena Forum > MetalWorking Machines > CNC "do-it-yourself" > Build Log: Vevor 7x14 Lathe, closed loop steppers, no design yet...
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  1. #1
    Join Date
    Feb 2009
    Posts
    2143

    Build Log: Vevor 7x14 Lathe, closed loop steppers, no design yet...

    I have purchased the following:

    Vevor 7x14 lathe for $499.99: https://www.vevor.com/metal-lathe-c_...p_010323330660



    2 STEPPERONLINE Closed Loop Stepper Motors (with drivers) for $79.99 each from Amazon: https://www.amazon.com/dp/B08Q7CCRTN



    Ball screws from Amazon for $54.11: https://www.amazon.com/dp/B0C1PWZ29X https://www.amazon.com/dp/B07ZJ14JDN


    Ball screw end bearings BF/K10 and BF/K12 for $34.84: https://www.amazon.com/dp/B09NTTHL4N https://www.amazon.com/dp/B09NLKTJ8S


    5mm to 8 mm couplers for $9.99: https://www.amazon.com/dp/B07DC2CV6T



    My mill is MACH4 with a Warp9 ethernet SmoothStepper, but I think I am going to try UCCNC with a UC400ETH - Ethernet Motion Controller

    https://cnc4pc.com/uc400eth-ethernet...troller-b.html ($174.44)

    https://cnc4pc.com/uccnc-control-software.html ($63.00)

    That's all I have so far. Planning to 3D print parts as I design and them fab them out of aluminum after I complete the design. Hoping this post will keep me working on the project!
    CAD, CAM, Scanning, Modelling, Machining and more. http://www.mcpii.com/3dservices.html

  2. #2
    Join Date
    Feb 2009
    Posts
    2143

    Re: Build Log: Vevor 7x14 Lathe, closed loop steppers, no design yet...

    48 V power supply for $39.99: https://www.amazon.com/dp/B08GFQZFC1:


    5 12 24 V Power Supply for $22.98: https://www.amazon.com/gp/product/B07RT54H9V

    Geekom I7 Mini PC, $499: https://www.geekompc.com/geekom-mini-it11-mini-pc/

    Attached Thumbnails Attached Thumbnails Geekom.jpg  
    CAD, CAM, Scanning, Modelling, Machining and more. http://www.mcpii.com/3dservices.html

  3. #3
    Join Date
    Jan 2023
    Posts
    436

    Re: Build Log: Vevor 7x14 Lathe, closed loop steppers, no design yet...

    good luck

  4. #4
    Join Date
    Feb 2009
    Posts
    2143

    Re: Build Log: Vevor 7x14 Lathe, closed loop steppers, no design yet...

    Added eBay Toolpost ($106.41) and Tools ($33.16):



    As well as a new X-axis (a THK KR26 for $100):

    Attached Thumbnails Attached Thumbnails X-Axis.jpg  
    CAD, CAM, Scanning, Modelling, Machining and more. http://www.mcpii.com/3dservices.html

  5. #5
    Join Date
    Feb 2009
    Posts
    2143

    Re: Build Log: Vevor 7x14 Lathe, closed loop steppers, no design yet...

    Z-axis designed and being printed now:

    Attached Thumbnails Attached Thumbnails Z-Axis design.jpg  
    CAD, CAM, Scanning, Modelling, Machining and more. http://www.mcpii.com/3dservices.html

  6. #6
    Join Date
    Feb 2009
    Posts
    2143

    Re: Build Log: Vevor 7x14 Lathe, closed loop steppers, no design yet...

    X-Axis design

    Attached Thumbnails Attached Thumbnails X-Axis Assembly.jpg  
    CAD, CAM, Scanning, Modelling, Machining and more. http://www.mcpii.com/3dservices.html

  7. #7
    Join Date
    Feb 2009
    Posts
    2143

    Re: Build Log: Vevor 7x14 Lathe, closed loop steppers, no design yet...

    Z-axis complete:

    CAD, CAM, Scanning, Modelling, Machining and more. http://www.mcpii.com/3dservices.html

  8. #8
    Join Date
    Feb 2009
    Posts
    2143

    Re: Build Log: Vevor 7x14 Lathe, closed loop steppers, no design yet...

    X-axis done for now. Ballscrew is too short so I have ordered a 50 mm longer one, due in July 25. Also mounted a monitor to the table I bought for the setup, still need to bolt the lathe down.

    Attached Thumbnails Attached Thumbnails X Axis 3.jpg   X Axis 4.jpg  
    CAD, CAM, Scanning, Modelling, Machining and more. http://www.mcpii.com/3dservices.html

  9. #9
    Join Date
    Feb 2009
    Posts
    2143

    Re: Build Log: Vevor 7x14 Lathe, closed loop steppers, no design yet...

    Got everything wired and connected and had first movement last night (sorry, no video). Had to revert to the SmoothStepper and Mach3 since UCCNC does support Lathes (yet?).





    Only a couple gotcha's to get it running. The E-Stop I had was Blue-White-Green wires. I figured green would be ground and Blue-White were signal, but instead Blue-Green is NO, and White-Green is NC, so had to rewire that. Then I could not get motion and it took me a while to discover I needed to run 5V to the ENABLE pin on the C10 power pin to enable Outputs on that card (lights up a green LED when they are enabled). Also had to flip the switch on the Stepper cards from 24V to 5V signal. Now have motion on both axes, and need to work on real-speccing the "steps per" to real world units. Bought Ease-e Turn, but haven't received it yet. Hope it's better than sliced bread because it is a PITA to get ahold of!!!
    Attached Thumbnails Attached Thumbnails Wired Machine.jpg   Wired Cabinet.jpg  
    CAD, CAM, Scanning, Modelling, Machining and more. http://www.mcpii.com/3dservices.html

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