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  1. #801
    Member Redbrown's Avatar
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    Default Re: Rotary table indexer

    Reinstalled the TB6600 4.5A CNC Single-axis Stepper Motor Driver Board (ebay) with no problems. Thanks again.



  2. #802
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    Default Re: Rotary table indexer

    Hi, All

    Just ordered two of the Built and Tested Modules, Keypads and Overlays from Steve Ward, a great looking product.

    I'm currently working in Germany, glad to have found this group

    Heres my youtube channel for the curious.
    https://www.youtube.com/user/CeeltdNew

    Thanks
    Carl



  3. #803
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    Hi Folks, I bought the pre built/tested unit and keyboard. I've built it and connected it to a TB6600 driver a 200 step nema 23(2.8A) motor, my table is a vertex HE4 90-1 ratio.
    Everything works fine but no matter how I set it in the settings or set the dip switches on the driver the thing just won't drive right. If I set it to DEG.and set it at 90° it only turns the table 10°? I've set the driver to 400 steps and it won't run at all, in fact I can only get the motor to run properly if I set all the dip switches to the default off position. I assumed a faulty driver so replaced it with another new one from a different manufacturer and I get exactly the same results. Tearing my hair out now (which at my stage in life i can't afford!!) Any suggestions or advice will be gratefully received. Many thanks in advance.



  4. #804
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    Default Re: Rotary table indexer

    Quote Originally Posted by Smithwrecker View Post
    Hi Folks, I bought the pre built/tested unit and keyboard. I've built it and connected it to a TB6600 driver a 200 step nema 23(2.8A) motor, my table is a vertex HE4 90-1 ratio.
    Everything works fine but no matter how I set it in the settings or set the dip switches on the driver the thing just won't drive right. If I set it to DEG.and set it at 90° it only turns the table 10°? I've set the driver to 400 steps and it won't run at all, in fact I can only get the motor to run properly if I set all the dip switches to the default off position. I assumed a faulty driver so replaced it with another new one from a different manufacturer and I get exactly the same results. Tearing my hair out now (which at my stage in life i can't afford!!) Any suggestions or advice will be gratefully received. Many thanks in advance.
    I've replied to this via email but I thought a reply here might be of help to anyone else with a similar issue (and in case my email gets whacked by a spam filter).

    So setting the motor to 400 steps should allow it to run without any issues, that its making a noise suggests an issue between the driver and the motor.
    (More so because you can get it to move with other settings.)

    In the past issues like this are usually because the motor isn't wired correctly to the driver.
    (Usually because the motor is cross wired).
    The other possibility is a duff motor although this is fairly rare.

    So the motor has two windings - A and B.
    These are provided by 4 wires usually labelled A+, A- and B+, B-.
    They should be connected to the same terminals on the stepper driver.

    I would start by checking these.



  5. #805
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    Big Thank You to Steve, this is now sorted. For some reason the high speed was set to 9000, I've reset it to 1000 and everything works perfectly.



  6. #806
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    Default Re: Rotary table indexer

    I've looked and searched but can't find an answer so here goes - I'm a complete beginner BTW

    Do I need a closed loop system ?

    As this post was originally posted 14 years ago, I take it things have moved on a bit

    I was looking at this setup
    https://www.omc-stepperonline.com/cl....html?limit=50

    We are looking at powering a 17" rotary table for hobby use and its fist job will be a half size traction engine crankshaft.

    Many thanks for your replys
    Nick



  7. #807
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    Default Re: Rotary table indexer

    Quote Originally Posted by Dragracer1260 View Post
    I've looked and searched but can't find an answer so here goes - I'm a complete beginner BTW

    Do I need a closed loop system ?

    As this post was originally posted 14 years ago, I take it things have moved on a bit

    I was looking at this setup
    https://www.omc-stepperonline.com/cl....html?limit=50

    We are looking at powering a 17" rotary table for hobby use and its fist job will be a half size traction engine crankshaft.

    Many thanks for your replys
    Nick
    Hi Nick,

    You don't need a closed loop system but there's nothing to stop you using one.
    (I get "page not found" for your link)

    The system has been tweaked and a few features added since the first iteration but it basically still does the same thing.
    I'd recommend you have a read through the manual to see if it will do what you're expecting.
    http://www.worldofward.com/downloads...nual%202.2.pdf

    17" is a *big* table!

    If you have any questions I can answer you can contact me directly (my email address is on the first page of the manual).

    Steve.



  8. #808
    Member Dragracer1260's Avatar
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    Default Re: Rotary table indexer

    Thank you Steve,
    Yes 17" is large but that doesn't mean we will be doing big stuff, if / when we get it up and running I will post a couple of photo's.

    Every thing now bought - just waiting for the postie to delivery.
    Nick



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