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Type: Posts; User: Hood

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  1. Replies
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    Re: Chinese servo drive tuning question

    Thanks again for the info. The dual loop would be wasted on the plasma but may be good for the lathe although that would require much bigger motors/drives (3Kw or so) but hopefully that won't be...
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    Re: Chinese servo drive tuning question

    Just looked and these, I think, are the ones you are talking about, not too bad a price at all. Slightly more expensive than the Lichaun but only fractionally.

    459290
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    Re: Chinese servo drive tuning question

    Thanks for the info regards the Deltas, they sound like they may be worth looking at, might also enquire about the drives SZGH sell, they are a bit more expensive than the Lichuan but if they have...
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    Re: Chinese servo drive tuning question

    Craig, I have tuned many a servo, mainly Allen Bradleys from the early Electrocraft BRU style through DSM's to the DSD's, also a few others including the Berger Lahr/Schneider/Telemcanique used on...
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    Chinese servo drive tuning question

    Has anyone here got experience of tuning any of the AC Servos from China. I am considering getting some, specifically the Lichuan A4 type as per the pic below.
    The manual doesn't seem to have much...
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    It is just one I got from their site so maybe it...

    It is just one I got from their site so maybe it is not the correct one.
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    Re: Retrofit of an EMCO 120 CNC lathe

    This seems to be the wiring info for your turret, if it is then maybe send the link to Mike and see if he can tell you how to wire and he should also be able to write the toolchange macro to suit. I...
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    Re: Retrofit of an EMCO 120 CNC lathe

    Aye, I suppose it can get that way due to the language differences as often they don't quite understand what you are asking and reply with something different to what you want :D
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    Re: Retrofit of an EMCO 120 CNC lathe

    Might be best to ask Mike at SZGH if he can advise, if he is not familiar with that turret then he may be able to ask seeing as both are Chinese companies.
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    Re: Retrofit of an EMCO 120 CNC lathe

    Afraid I don't know as it would depend on what the board you have does and how your turret works.
    The I/O on the control can not be used for high currents so if your board requires Amps rather than...
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    Re: Retrofit of an EMCO 120 CNC lathe

    No, didn't bother with the I/O board.
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    Re: Retrofit of an EMCO 120 CNC lathe

    No problems at all, very happy with it.
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    Re: Retrofit of an EMCO 120 CNC lathe

    It is a Parameter.
    If you go to the "Other Parameter" page then scroll to Parameter 501 you can set it to 8 for the dark screen.
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    Re: Retrofit of an EMCO 120 CNC lathe

    Yes I have a separate home for each axis and a single limit for each axis.

    On mine the limits are triggered at either end so act as both positive and negative for that axis. The control knows...
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    Re: Retrofit of an EMCO 120 CNC lathe

    I am not sure either, there doesn't really seem to be much information on the actual differences between TDC and TDB controllers. I have the TDC and it has CN13 socket for feedback and I was lead to...
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    Re: Retrofit of an EMCO 120 CNC lathe

    As has been said, scales only if you want. They won't actually get used for closing the loop, they will just provide feedback for out of position monitoring and errors. Does your control support them...
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    Re: Retrofit of an EMCO 120 CNC lathe

    Thanks for the reply, yes that is eventually how we figured out things worked.
    It is a bit of a nuisance for him as he has a knee mill so the table height is constantly changing, that is not an...
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    Re: Retrofit of an EMCO 120 CNC lathe

    mukanico
    I have a friend who has recently bought an SZGH control for his mill and is having trouble setting up tool offsets. I think you said you had one for a mill and was wondering if you had any...
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    Re: Chinese stand alone controller weird Z issue

    The controls are very accurate or at least mine is. Mine is a different model, CNC1000TdC, and is a Lathe version.
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    Re: Chinese stand alone controller weird Z issue

    They are Step/Direction.
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    Re: Retrofit of an EMCO 120 CNC lathe

    Here is a better pic of it.
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    Re: Retrofit of an EMCO 120 CNC lathe

    Just thought I would chime in again to say the SZGH is running great for me. I miss a few things such as inability to name tools in the tooltable, but I do have the wireless USB working well.
    A...
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    Re: Possible cause for shaft failure?

    I have just looked at youtube and I posted the video of the first ever job I ran on the Chiron and that video was posted April 2013 so the motor had snapped prior to that so my recollection was...
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    Re: Possible cause for shaft failure?

    The motor was not out of alignment or at least not to any detectable amount. Also the motor connects to the ballscrew via a belt so slight misalignment shouldn't really have been an issue.
    This is...
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    Re: Possible cause for shaft failure?

    It was a servo motor on the Z axis of a Chiron FZ12S VMC I retrofitted.
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    Re: Adtech 9640 and "elastic" tapping?

    Just to tidy up this post.
    The control went back to Adtech UK and they tried to get it working with, I believe, several software updates from China but it never worked properly.
    To Adtech Uk's...
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    Re: Quality affordable Closed loop Controller

    Modern day AC servos are almost plug and play.
    I have older Allen Bradley DSD drives on a few of my machines (big lathe, plasma and Beaver mill), the Auto Tuning was a hit or miss and even then ...
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    Re: Adtech 9640 and "elastic" tapping?

    Another update, sadly I was mistaken. I thought my friend had said the tapping was working but what he meant was that the update worked. The tapping itself seems marginally better in the respect that...
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    Re: Adtech 9640 and "elastic" tapping?

    Ok just in case anyone runs into similar issues with this controller it seems that it was software related. Adtech China have sent a file for my friend to load into the control to update it and he...
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    Adtech 9640 and "elastic" tapping?

    Does anyone have an Adtech 9640 and has done what Adtech call elastic tapping?
    A friend of mine recently purchased the aforementioned control and after a fair bit of work he has got it mostly...
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