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Thread: My G0704 CNC conversion adventure

  1. #1
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    Default My G0704 CNC conversion adventure

    I'm starting my g0704 conversion. I bought the conversion DVD from HOSS and the information has been very valuable. I am doing kind of a hybrid conversion and have purchased the parts from Billy. They are very nice!

    Many thanks to HOSS for answering my questions and for the g0704 conversion DVD.

    I am using HOSS's recommended electronics but have switched the power supply to a transformer based Antek 50V 600W with 12V and 5V regulated supply. I have used an Antek PS in my Joe's hybrid for many years now with very good results.

    Components:
    - CNC stepper mounts from Billy
    - 3x Keling KL-6050 Stepper Drivers
    - 3x Keling Nema 23 570 oz-in Steppers
    - c35 breakout board

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    I'm starting the build with my controller.

    I am using an Antec 300 PC case as the enclosure. I am using a latching control circuit with a contactor to turn the ac on and off on the power supply. See #3 here Contactors and Control Circuits

    I have a 3d printer (several) and am designing and printing a lot of the components to customize the controller. I am using openscad to design the parts.

    The first component I designed was the mount for the breakout board

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    Last edited by Xnaron; 12-11-2011 at 06:43 PM.


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    The next component I designed was the front panel mount for the on/off switches, pilot light, and emergency stop button. I am very happy with the way it turned out. It fits perfectly and for once I didn't need to print it many times to get it right. I can use screws in the drive bay to mount it in place. Everything lined up perfectly.

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    Last edited by Xnaron; 12-11-2011 at 06:45 PM.


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    I wanted to protect the fan on the top of the case from swarf and other debris so I designed and printed this fan cover.

    Attached Thumbnails Attached Thumbnails -fan-png   -cimg3445-jpg   -cimg3444-jpg  


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    I've mounted the stepper drivers so they will get good cooling.

    Attached Thumbnails Attached Thumbnails -cimg3441-jpg   -cimg3448-jpg   -cimg3450-jpg  


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    Default cool.... waiting for mine

    you got yours first!


    looking good....I just wish someone would make an economical kit for mounting the motors.....its just to costly for me....



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    looks good xnaron, is that a reprap printer? it does a very neat job.
    am



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    Quote Originally Posted by amyers View Post
    looks good xnaron, is that a reprap printer? it does a very neat job.
    am
    Thanks...yes they are Prusa's that I've modified it to my own specs.

    Attached Thumbnails Attached Thumbnails -cimg3453-jpg  


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    Looks good! I like the detail going on here. I too just purchased a G0704. Who is Billy if I may ask? I would like to check his parts out.



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    Quote Originally Posted by feederic View Post
    Looks good! I like the detail going on here. I too just purchased a G0704. Who is Billy if I may ask? I would like to check his parts out.

    thanks...search "g0704" on ebay. His parts should come up if he has any for sale.



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    I think I will be following in much of your footsteps here. Less time setting up, more time playing with the final product



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    More progress on the controller. Contactor wired up along with xlr connectors for the steppers. I designed a custom plate for the AC plug and the xlr connectors. I am leaving one spot for another stepper connector. I need to go pick up another xlr connector to plug the hole. I wasn't going to bother with the xlr connectors but I got them cheap enough to make it worthwhile doing and they make for a clean install. I have space for another stepper driver as well. I also made an extension for the c35 parallel port to attach to the outside of the case.

    I need to wire the power for the steppers and the bob and fans. I am contemplating doing a custom pcb for power distribution.

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