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Traveler218

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About Traveler218

  • Birthday 02/18/1956

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  1. Traveler218

    Cura placing Brim under model

    Sorry for the delay, I haven't been able to get back to this. Here is the model in question. I printed the other three parts that were being printed with this (just deleted this model) and did not have the issue. I have not had a chance to go back and print this part by itself to see if it would work. I have printed it in the past with no issue. https://drive.google.com/open?id=0B7CcSSOoQEOBUEw4WGFWZ29xbkE
  2. Traveler218

    Cura placing Brim under model

    I have printed this model before with no issues. Also when I slice the model for my Prusa using Slic3r or the Prusa Control software, I don't get the issue. Also when I moved the items around on the bed only one of the models had this issue instead of two.
  3. Traveler218

    Cura placing Brim under model

    While trying to print a number of models together, I discovered that on some of the models Cura is placing the Brim Under a portion of the model. This has happened twice now. I loaded four parts onto the print platform and saved the resulting Gcode to an external device. When I ran it on the printer, two of models had what appeared to be the Brim printed under a portion of the print. For these objecdts, there was no brim under the remaining portion of the model. Two other objects had the Brim correctly placed around the perimeter of the object. The misplaced brim was a tight oval, with the proper number of brim lines, under a small portion of the model. The rest of the rest of the model attempted to print correctly, but was essentially printed on-top of the brim in that one location. this resulted in the remaining portion of the model basic starting at layer 2. Starting above the bed, it had adhesion issues and warped so badly that the entire print failed. Has anybody seen this happen before?
  4. Traveler218

    UM 3 Head Assembly

    I've now run 3 or 4 prints, and other than an adhesion/warp issue that caused one part to fall over, they have been very successful. Very good quality prints. Glad to have the printer functional again. Thanks All!
  5. Traveler218

    UM 3 Head Assembly

    Wow, that was easy enough. I thought I had tried that early on and couldn't get it to go together right. This time it went right together and everything works. I will be trying a print in the morning to see if everything is fixed. Thanks for the Help! Robert
  6. Traveler218

    UM 3 Head Assembly

    Thanks! I'll give that a try. I thought I looked at that early on and for some reason it just didn't want to work.
  7. Traveler218

    UM 3 Head Assembly

    That's what I thought too! The problem is the BB nozzle will not install with the head assembled; although, the mechanism seems to work correctly. I even tried assembling with the nozzle already installed. The result was that the lift mechanism would no longer work and I could not remove the nozzle. Essentially the printer is useless at this point since it will not print without both nozzles installed.
  8. Traveler218

    UM 3 Head Assembly

    Between the Hurricane, Squirrels in my attic, and program issues here at work I am just getting back to working on the UM# issues. Here are some pictures of the head. I can't seem to get the lift mechanism working correctly, even though it appears to be assembled properly. Any help would be greatly appreciated.
  9. Traveler218

    UM 3 Head Assembly

    Could be!! I may have to call in an Exorcist or something. Right now I just can't get the lift mechanism to go back together correctly. Form an engineering perspective it looks right, There just doesn't seem to be any other way to put it gother, but the Nozzle just won't install. I must be looking at something the wrong way. Could you provide some photos? Hi Erin; I took off on vacation Thursday and Friday, I will try to run by work and take a couple of pictures to post. Thanks for the reply.
  10. Traveler218

    UM 3 Head Assembly

    Could be!! I may have to call in an Exorcist or something. Right now I just can't get the lift mechanism to go back together correctly. Form an engineering perspective it looks right, There just doesn't seem to be any other way to put it gother, but the Nozzle just won't install. I must be looking at something the wrong way.
  11. Traveler218

    UM 3 Head Assembly

    Does anybody have an actual assembly diagram?
  12. Traveler218

    UM 3 Head Assembly

    There seems to be a problem with the stack-up. Either I'm missing something (Although I have all the parts shown above) or something isn't going together correctly. Using the stack-up shown, the metal part protrudes too far into the path of the hot end/nozzle. After assembly, when I try to install the nozzle in slot B, the top hits the metal piece and will not install. It may just be me, maybe I just don't understand. I even tried putting the sprint after the metal piece, which is better, but it still will not allow me to install the nozzle.
  13. Traveler218

    UM 3 Head Assembly

    Thanks for the help! No, the magnets did not pop out. Once I got it assembled the cover seems to close fine.
  14. Traveler218

    UM 3 Head Assembly

    I had some problems over the weekend. apparently the front, drop down door on the UM3 came open and the printer continued to try to print. I wound up with a very large mass of filament all over the #1 Nozzle and up into the head (I should have taken some pictures, it was impressive). In order to remover the filament, I was forced to remove and disassemble the head and use a heat gun to melt the material sufficiently for removal in small bites. I now have a small problem. Everything is cleaned up, and the head is reassembled, except for the nozzle lifting mechanism. Is there a diagram somewhere that will show me exactly how this goes back together. There are two plastic pieces, a spring and a small metal piece. I just need to know the placement of the spring and the small metal piece. I think I have it figured out, but would like to make sure before closing it up. Robert
  15. Traveler218

    UM3 Extended wont print first layer

    I believe the material sticking was related to a combination of the fan no working and the bed leveling. Once I got all of that taken care of I needed to clean the head with a manual purge and cold pull. Once all of that was cleaned up I got a great first layer print and it has continued throughout. Still having some problems with the supports but for the most part it looks great. The front head fan (The one behind the drop down head access door) was the one not working, When I manually started it (by pushing the blades with tweezers), it started running and I have had no more problem with it. I'm currently down to 3 1/2 hours remaining. I have my fingers crossed that it will actually complete the print. Robert
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