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Thread: Taig CNC-Controller Replacement-Dynomotion Suggestion

  1. #13
    Member TomKerekes's Avatar
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    Default Re: Taig CNC-Controller Replacement-Dynomotion Suggestion

    They are in the comments (you may have to click on "Read More")

    Rick let us put them on wiki here:

    Dynomotion

    Regards

    Regards
    TK http://dynomotion.com


  2. #14
    Member PeterTheWolf's Avatar
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    Default Re: Taig CNC-Controller Replacement-Dynomotion Suggestion

    mmurray70,

    I was able to find a Tree Journeyman 325 Knee Mill with issues on it's Delta20 (Dynapath) controller.
    I do have a 10hp. three phase motor that I will be setting up as a rotary phase converter to power this three phase machine.
    I purchased this machine for $1000 and it is now in the garage ready for the retrofit.

    Once again, this retrofit will be done with the Dynomotion:
    Kflop Controller
    Kanalog Expansion Board for KFLOP
    so, I am going to start a new thread for this retrofit "Tree325 Retrofit Started".

    Going to help here....



  3. #15
    Member PeterTheWolf's Avatar
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    Default Re: Taig CNC-Controller Replacement-Dynomotion Suggestion

    ....
    .....
    ....

    Well it has been well over a year since I started the retro fit on my Jourenyman J325 with Tom and mmurray70 (Mark) helping me all the way too completion.

    This thread was the start of the new thread .... J325 Retrofit with Kflop ...Link

    I have learned much from these two very smart and patient gentleman and could have never completed that retrofit without them.

    However, being that Kflop has made its way into my garage and heart ... I now want to buy another Kflop / Kstep and use it on the stepper mini-mill (TAIG) I have.

    Not so much to make this mill a usable desktop mill, through that is what it will become, but more to teach myself more about Kflop and stepper motion.

    So, I have made another purchase of the Kflop and Kstep for this educational process and was hoping the support will be as robust as it was for my J325 retrofit.

    So I would like to bring this thread back to life as I get my new stepper motors and Dynomotion controller.

    Waiting for the GOODS!!!!


    ......


    .....
    ...

    Last edited by PeterTheWolf; 06-19-2019 at 06:35 AM.


  4. #16
    Member TomKerekes's Avatar
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    Default Re: Taig CNC-Controller Replacement-Dynomotion Suggestion

    Hi Peter!

    After your complex servo system a stepper system should be a cake-walk for you

    You might watch our KStep Introduction Video:



    Tutorial here.

    Other info on KStep power supplies and such in our wiki here.

    Best of luck.

    Regards
    TK http://dynomotion.com


  5. #17
    Member PeterTheWolf's Avatar
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    Default Re: Taig CNC-Controller Replacement-Dynomotion Suggestion

    ....
    ....


    Thanks Tom for your vote a confidence ....

    Can I get a you to take a quick look at the stepper motors and power supply I was going to run with this Kflop/KStep set-up?

    For the Stepper Motors:

    NEMA23 570oz/in 5A 1/4” Dual Shaft Stepper Motor (KL23H2100-50-4BM)


    For the Power Supply:

    Unregulated Linear 45VDC/13A Toroidal PSU (KL-4513) with 5VDC

    OR..........

    48V Power Supply - 15A Single Output, Item #HF700W-S-48


    ....
    ....



  6. #18
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    Default Re: Taig CNC-Controller Replacement-Dynomotion Suggestion

    Glad to hear I was some help on the last machine. Hows it working? Make many parts with it yet? This new project brings back painful memories of my very first experience with CNC which was a stepper powered Taig mill running from a xylotex stepper drive. That machine would loose position constantly with that setup. It was a nightmare, especially when trying to learn everything else at the same time. Hopefully your experience will be better then mine. I think the low voltage limit is what killed me.

    I may not be as much help this time, im not as familiar with steppers and been super busy at the shop now for the past few months and next few months are looking just as busy. I will be following along though. Im going to be working on a project very soon with Kflop and steppers so your progress may help me out. My machine will be a single stepper motor which controls a rotating table of an automated ultrasonic welding machine. Should be fairly simple, just one axis for now and need to control a few SSR's.



  7. #19
    Member TomKerekes's Avatar
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    Default Re: Taig CNC-Controller Replacement-Dynomotion Suggestion

    H iPeter,

    For the Stepper Motors:

    NEMA23 570oz/in 5A 1/4” Dual Shaft Stepper Motor (KL23H2100-50-4BM)
    Those look good to me and others have used them. Expect maybe 400RPM with a 48V supply.

    Unregulated Linear 45VDC/13A Toroidal PSU (KL-4513) with 5VDC
    I prefer regulated switching supplies. They are regulated and lower cost.

    48V Power Supply - 15A Single Output, Item #HF700W-S-48
    This should work well but is somewhat overkill and expensive. Consider a Mean Well 350W supply for ~ $40

    https://www.digikey.com/product-deta...350-ND/7705033

    Regards
    TK http://dynomotion.com


  8. #20
    Member PeterTheWolf's Avatar
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    Default Re: Taig CNC-Controller Replacement-Dynomotion Suggestion

    Quote Originally Posted by TomKerekes View Post
    H iPeter,

    Those look good to me and others have used them. Expect maybe 400RPM with a 48V supply.

    I prefer regulated switching supplies. They are regulated and lower cost.

    This should work well but is somewhat overkill and expensive. Consider a Mean Well 350W supply for ~ $40

    https://www.digikey.com/product-deta...350-ND/7705033
    Tom, Doesn't the power supply need to be at least 15A ... since I am using three 5A motors?

    ....
    ....



  9. #21
    Member TomKerekes's Avatar
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    Default Re: Taig CNC-Controller Replacement-Dynomotion Suggestion

    Hi Peter,

    Doesn't the power supply need to be at least 15A ... since I am using three 5A motors?
    No it doesn't. It's a power thing not a current thing. Please read this article.

    Regards
    TK http://dynomotion.com


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