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Thread: 3d Printer Help Calibrating

  1. #1
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    Default 3d Printer Help Calibrating

    Ok so I am starting this thread so I don't hijack the other thread What 3D Printer to Get. I also wanted to start a thread where we can post questions for you experts to help us setup and calibrate our printers.

    So here was my post over in the other thread.

    Quote Originally Posted by CJ Morin View Post
    Anyone got any tips for the extruder. I am having issues getting the right flow from the extruder. I have a bowden with a j-head and a .4 nozzle.
    Quote Originally Posted by CaptKirk View Post
    Can you be a bit more specific about "issues"? It could be temperature (too low and things do not flow- too high and it gets stringy/drippy and can burn in the print head clogging it). It could be layer settings- the largest layer height you can get with a .4 nozzle is around .34 due to material sag. It could be a simple bed alignment issue.

    What is going wrong??
    Quote Originally Posted by CJ Morin View Post
    Well I originally had it dropping to much filament so I readjusted the steppers motor to richrap calibrations http://[http://richrap.blogspot.co.u...s-and.html?m=1. Now it does not drop fast enough so it does not lay down on the heated bed. As far as heat the PLA I got recommends 180 to 210 and I have it set at 190.

    Sorry I reread my post and I see that it is not to clear on my problem. So let me try to restate my "Issue".

    So I finally got my printer set up and the XY motors set up. I have a CoreXY from SmartFriendz. I adjusted my temperature settings and I think 190 works the best. Like I put in one of earlier post in the other thread I used RichRap's calibration setup. And I have my extruder pushing 30mm when I send 30 mm to the extruder using repetir host.

    I think I got the height correct for the "Z" axis. I will see if I can add a video later today.

    Any help would be greatly appreciated.







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    Cesar J. Morin
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    Sent from my Verizon Wireless 4G LTE*Samsung SM-G928V Galaxy S6 Edge+ smartphone*using*Tapatalk for Android.

  2. #2
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    Default Re: 3d Printer Help Calibrating

    Simplify3D has a nice print troubleshooting guide here with potential causes. Do you have an example to post?
    Last edited by sporadic; 01-27-2016 at 10:36 AM.
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  3. #3
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    Default Re: 3d Printer Help Calibrating

    Hi, video or photos help.
    If its getting the first layer to stick, I use prit stick paper glue and 10 deg hotter that normal printing.
    For PLA I can print at 190 but find 210 first layer and 200 the rest works best for the filament from my supplier.
    If your sure that you are under extruding, set the filament diameter as smaller (0.4 nozzle I'm guessing 3.0mm filament - set the size as 2.8mm) this will cause the machine to extrude more, if it looks better you can workout why.

    Oh, one other thought. When you set the nozzle Zero height, if you use the thin piece of paper method you need to do it with the nozzle cold. When the nozzle heats up it will expand by about the thickness of a piece of paper.
    Last edited by Barnabybear; 01-27-2016 at 11:26 AM.

  4. #4
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    Default Re: 3d Printer Help Calibrating

    The filament is 1.75 mm and the nozzle is a .4mm. I will try the settings for that later when I get home. I have a video let me see if I can upload that in a bit.







    __________________________________________________ __________

    Cesar J. Morin
    http://cj.morin.rocks

    Sent from my Verizon Wireless 4G LTE*Samsung SM-G928V Galaxy S6 Edge+ smartphone*using*Tapatalk for Android.

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