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IndustryArena Forum > MetalWorking Machines > Dyna Mechtronics > "Project Second Wind" New to me DM1007
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  1. #1
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    "Project Second Wind" New to me DM1007

    I picked up a nice little mill a while back and I finally got the time to dig into it. I'm pretty new to CNC mills so this should be and adventure. I have a CNC router and built a half dozen 3dprinters so I'm not a complete novice. I have lurked around this forum for a long time just reading some of the projects and being entertained, its finally my turn to dive in. I also have worked in the manufacturing field specifically programming test equipment for circuit board manufacturing and have troubleshooted my fair share of hardware issues servo drives, motors etc.... Hopefully I will be able to use some of those skills on this project.

    This mill itself looks to be in pretty good shape, I bought it sight unseen and not powered but the price reflected that. Should be able to get it powered up and tested in the next few days. I'm not very hopeful, I know finding parts for it would be difficult and not practical. This might end up being a retrofit but from what I have researched the control for these mills were pretty decent.

    Thanks for looking.


  2. #2
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    Re: "Project Second Wind" New to me DM1007

    Wow that tool changer! What are the milling dimensions on that thing? Looks just like my dm2800, 8" X 6" y 7" z

  3. #3
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    Re: "Project Second Wind" New to me DM1007

    I think the travel is what its named after 1007 10x7 and I think 10 on the Z. From what I can tell from research its based on the 2800, the 2900 is the 2800 with tool changer and the 1007 is the 2900 with they Dyna control. However It does look the like they moved the Y motor to the rear of the machine and is in the electronics cabinet.

  4. #4
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    Quote Originally Posted by funford View Post
    I think the travel is what its named after 1007 10x7 and I think 10 on the Z. From what I can tell from research its based on the 2800, the 2900 is the 2800 with tool changer and the 1007 is the 2900 with they Dyna control. However It does look the like they moved the Y motor to the rear of the machine and is in the electronics cabinet.

    It's giving me buyers remorse lol. Good luck on retrofitting it if you go that route. I wound up having to replace everything.

  5. #5
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    Re: "Project Second Wind" New to me DM1007

    Well it didn't take long to run into some issues. First problem was the main enclosure fan. Soon as I gave it power it screeched so loud it up set the dog and he started howling. This was minor looks like at some point an over zealous fork lift driver gave the out side gard some extra love. This was quickly fixed and I moved on. The system started to boot and immediately I got a over voltage error. Luckily I have a manual for it and begin to troubleshoot. It looks like the the voltage for u58 from pin 1-10 should be in the 2.6 range. Mine was 3.1.Attachment 452514


    This can be adjust with pot6 and rotating it clock wise.

    Attachment 452516

    It then got passed the error but then I smelled buring! There are two very larg resistors that were so hot they were glowing red.

    Attachment 452518

    I have no idea what these are for, the manual discusses if the shunt restor over heats check dc wire and pot6, naturally since I already adjusted the pot I thought that was the issue. But thoes didn't really look like shunt resistors the look more like a breaking resistor for the spindal motor. The pot was a dead end so I looked elsewhere. I removed the rear plate for the transformer and discovered it needed to be wired for input voltage. It was wired for 208 but I have 240. Now it all makes sense why I needed to adjust the pot down. I will rewire it today and im sure I will need to adjust the pot again and post an update.

  6. #6
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    Re: "Project Second Wind" New to me DM1007

    That looks just like my old power supply resistors. should be a 150-170v dc power supply. I think those resistors are for the "axis shunt" or emergency stop, when that happens you will have a SSR that turns off power supply power and another that dumps the rest of the power into those two resistors. At least that's how I think it works.

  7. #7
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    Re: "Project Second Wind" New to me DM1007

    Hmm.... excess power ??, that lines up with the transformer being wired incorrectly. That's good news.

  8. #8
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    Quote Originally Posted by funford View Post
    Hmm.... excess power ??, that lines up with the transformer being wired incorrectly. That's good news.
    Maybe it was their idea of a faster way to stop the axis motors? Kinda weird, I wouldn't think those 3 capacitors on their own wouldn't store enough power to do much but who knows. Might mean the difference between a broken finger and a cut off finger if that ever happened lol.

  9. #9
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    Re: "Project Second Wind" New to me DM1007

    Congrats on the buy. The DM1007 is a hell of a lot of machine for the size and weight, and hopefully you got it for a really good price. I hope it's got all the bits to use the original Dyna 4M control - it's a sorely underrated control and very user friendly despite being 25 years old.

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    Re: "Project Second Wind" New to me DM1007

    I'm going to do my best to the original control to work but it would seam there are some gremlins.

    So rewiring the transformer fixed the resistor over heating and as suspected the voltage to the board was really low as a result. A quick adjustment of the pot and I was back in business. I was able to get it to boot to the menu screen with no errors. The first attempt to home the system resulted in a "limit switch always touched" error, I was able to track it down to a bad x axis limit through a nifty PLC Diag screen. I hooked up a temp sensor and was able to get it to home reliably. All seem to function well for a few days of fumbling through menus learning the interface besides the spindle, seems like I could turn it on and never turn it off. I'm impressed with how quiet this thing moves including the spindle. Then it was all down hill from there, suddenly when it try's to home I will get x y z ok then "E365 DVR: Position tolerance - overflow (16)" it will disable all the drives with red lights. I'm not sure if this is happening cause the spindle wont home now? I have voltage 160DC going to the spinal driver but no status light.

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    Re: "Project Second Wind" New to me DM1007

    Click image for larger version. 

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  12. #12
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    Re: "Project Second Wind" New to me DM1007

    The control tends to want to throw 100 errors if it throws 1. That's the nature of the beast, but usually once you resolve the core issue they all clear. Do you have the Dyna 4M machine control & programming manual? It has troubleshooting tips for all the error codes in the back. For E365 it's probably a faulty servo encoder or some other axis encoder error.

    If it were me I would reach out to Roberto at Dyna Mechatronics (the contact info on the website is correct). He's an incredibly friendly and helpful guy and has a bucketload of tips for debugging controller issues, as well as being able to source spare parts and can hook you up with manuals if you don't have them.

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    Re: "Project Second Wind" New to me DM1007

    Yeah I have seen that before where the system will rarely tell you whats wrong with it. One error will give you many.

    Not sure what control I have. This is whats in the cabinet and in the pc based front panel.




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    Re: "Project Second Wind" New to me DM1007

    Click image for larger version. 

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    - - - Updated - - -

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  15. #15
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    Re: "Project Second Wind" New to me DM1007

    That's the standard Dyna 4M PC-based control. Contact Roberto and ask for some guidance, he can probably help you figure out which encoder has had it and source a replacement for you. If you can get to this stage, the controller is definitely worth fixing as it will save you an enormous amount of time and money versus a retrofit.

  16. #16
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    Re: "Project Second Wind" New to me DM1007

    Thanks Sun God I emailed the link on the site.

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