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  1. #1

    Shifting to the left

    Hi guys,
    I have a Qidi Tech 1 printer, and now randomly during some print jobs it will just shift everything about 1/8" to the left. I'm using the software that came with the printer to slice files. I'd love to post a picture to show you exactly what I mean, but for some reason i can't. Any thoughts?




    Last edited by donzo69; 07-10-2017 at 10:53 AM.

  2. #2
    Engineer-in-Training
    Join Date
    Jun 2017
    Posts
    212
    It is the build plate springs and the speed of the head during quick infills.

    If you haven't yet, print the following, in the order of importance.

    https://www.thingiverse.com/thing:1463521 ABS

    https://www.thingiverse.com/thing:409297 PLA

    https://www.thingiverse.com/thing:1675208 ABS

    Go the local parts store and get some 1/8" glass cut to 9 1/8" x 6 1/8". Grab some #4 machine screws with counter sunk heads, about an inch long and some wing nuts, 2 of each. Get some cheap Aqua Net hairspray. Print the first thingy, the corner clip holders in ABS. Once they are done, pull the bed out of the machine. Rip the blue pad off. Remove the front right and rear left screws and nuts on the aluminum plate. Replace with the new #4 screws and attach your corner clips with wing nuts. Spray down your glass with the hair spray and set it out in the sun for 30 minutes. Replace the bed plate and tighten down the wing nuts for the bed leveling quite a bit. Go into the bed level setting and grab your glass. With the carriage over the middle of the bed, with the bed raised up to begin leveling, see if you can sneak the glass in between the bed and the nozzles. If not, tighten the wing nut screws some more. Once you can get the glass in, cancel the leveling and push the bed down some. Tighten up your corner clips to hold the glass. Start pre-warmup of the bed. Once warmed up, go back into the bed leveling and do it properly. With the glass and NOT USING A Z AXIS SHIM, you'll have tighter springs and you won't have the shifting.

  3. #3
    Engineer-in-Training
    Join Date
    Jun 2017
    Posts
    212
    Download FlashPrint and use the Creator Pro as your machine type. http://www.flashforge.com/support-center/creator-pro/

  4. #4
    Engineer-in-Training
    Join Date
    Jun 2017
    Posts
    212
    Might want to check the set screws on the pulleys too. https://www.youtube.com/watch?v=Kc8ebD6jjF0

  5. #5
    Super Moderator
    Join Date
    Jun 2016
    Location
    Oklahoma
    Posts
    895
    Give the Z axis lead screw a little lube.

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