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Type: Posts; User: boblon

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  1. Replies
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    I MIGHT have a copy somewhere. I will look for it...

    I MIGHT have a copy somewhere. I will look for it and let you know.

    BobL.
  2. Thread: z axis

    by boblon
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    A little context might help. BobL.

    A little context might help.
    BobL.
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    Phase 1 Power up Complete !

    Big sigh of relief today. Got the box powered up and talking to the PC. Didn't go without it's hiccups, but luckily nothing major.

    Didn't get to putting connectors on the motor cables yet but this...
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    Thanks Dave, though definately not up to NASA...

    Thanks Dave, though definately not up to NASA standards :)
    Looking forward to Sunday.

    BobL.
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    Progress update

    Was hoping to actually apply power for the first time today to make sure nothing smokes but it didn't happen. That will have to wait until Sunday.

    The control box is not fully configured, but it...
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    Thanks Dave. Hopefully it will work too :) ...

    Thanks Dave. Hopefully it will work too :)

    BobL.
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    Some wiring done

    Not too many pics today.

    I went ahead and made another cable support bar to provide a little more room where the cables route.

    The wiring shown in the pics provides the ethernet connection...
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    Stil haven't stareted wiring yet, but...

    .. I have cleaned a few things up. I was originally planning on putting the AC for the router on the bottom rear panel on the power side. That's why I originally cut that panel seperate. Anyhow, I...
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    Almost ready to start wiring

    I got a rare weekend in the shop and am making good progress. I thought I would already be wiring by now, but it was one detail after another that needed to be taken care of.

    Unless I'm missing...
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    I don't know about how confident I am about the...

    I don't know about how confident I am about the 'solution working', but I am confident I am removing lots of potential for problems and will end up with a much cleaner install, and a smaller parts...
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    Thanks Dave. I appreciate you posting just to...

    Thanks Dave. I appreciate you posting just to know someone is reading this. :)

    I don't know whether to do just the bare minimum wiring to get some movement so I can see if the problem still exists...
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    More Progress :)

    I've been under the weather this weekend but I did go out and take some pictures of where I'm at. Some of these may not look much different than the last ones but a lot of work was done.

    The...
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    Congrats on reaching the proof of concept point,...

    Congrats on reaching the proof of concept point, I love those points.
    A really nice build and a pleasure to watch.

    You've got me thinking of looking at making an add-on to my Delta DS as I always...
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    Thanks Dave. Yeah, I think it will work out...

    Thanks Dave. Yeah, I think it will work out alright as long as I can get everything in on the back wall.

    I am working towards getting movement before adding too many things. Should make trouble...
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    Control Box II

    I reached the same conclusion that Dave pointed out, which is that I had too much going on. The clincher was that I was spending way too much time doinking with a control box that was not permanent....
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    Ok, two more test runs and those were off. This...

    Ok, two more test runs and those were off. This time the Z ended up above zero after the jobs and it used to end up below it. It was off a fair ammount, but not as much as it was before, but at this...
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    I got home and the Y axis wouldn't even jog over...

    I got home and the Y axis wouldn't even jog over and back without error. The Z and X passes the cycle 50 test.

    I poked around and noticed that I had knocked the ground off off the motor PS. Hooked...
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    Next Steps?

    Ok, I've got a clean load on the PC and a clean load, clean config on the software. I don't want to get wrapped around the axle again.

    So, when I get back to the shop I'm going to re-run the...
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    Well, the news is not all good. When I went...

    Well, the news is not all good.

    When I went back and ran the test jobs (cutting air) the z axis drifted again :(

    BobL.
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    Success !!

    Ok, after MUCH trouble getting a fresh load restored to my shop PC I've got it back hooked up, at least enough to get the motors running.

    I restored the OS from the first time I set it up. No...
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    Adrew, I marked and have been checking the...

    Adrew, I marked and have been checking the couplings, they are not slipping. The steps per have been checked many times.

    And your right, there is some kind of consistency in the errors but I...
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    Andrew, the concensus is that it is not backlash...

    Andrew, the concensus is that it is not backlash as the error is cumulative. Before I ran the file that moved an axis back and forth 50 times I would move the X (or Y) axis one inch and then back to...
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    I'm not sure whats going on anymore...

    All day while waiting to get home and run some tests I started thinking just how many things I've changed and all the settings I've tried. I figured it was time to go through everything and reset...
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    Z now off in the other direction...

    I didn't have as much time in the shop as I planned but I was able to re-wire the Z and Y axis and do a couple of quick tests.

    What I did was swap the Z and Y motor cables at the Gekos. Moved the...
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    Running through everything in my mind I...

    Running through everything in my mind I remembered that when I was taking measurements with a digital multimeter ( I don't have a scope) I noticed a small amount of AC on the 50V supply when measured...
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