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bud.m
(@bud-m)
New Member
my prints come lose

so I just got my printer, i've tried three times to print an item but the item come lose during the print last time I was an hour + in the buddy dog and around the haft way through the head it came lose form the table

Posted : 05/03/2019 3:19 am
Sembazuru
(@sembazuru)
Prominent Member
Re: my prints come lose

You might want to wash your print bed with dish detergent, and then wipe down with 90% (or more) isopropyl alcohol. (Dawn here in the states, not sure where you are, you haven't added that to your profile yet.) There may be skin oils or other contaminants on your new sheet from the factory that is allowing your prints to release from the print surface prematurely.

See my (limited) designs on:
Printables - https://www.printables.com/@Sembazuru
Thingiverse - https://www.thingiverse.com/Sembazuru/designs

Posted : 05/03/2019 4:00 am
bud.m
(@bud-m)
New Member
Topic starter answered:
Re: my prints come lose

Cool, I will try that yeah im here in Utah. im totally new to all this!

Posted : 05/03/2019 4:09 am
wieman01
(@wieman01)
Estimable Member
Re: my prints come lose

Hello,

It would be great if you could post a picture of your print. Also let us know what your rough settings are (temperature, etc.) and what material you are using (e.g. PLA). This way we can give you better (i.e. more targeted) advice.

3D Druck für Einsteiger leicht gemacht: www.3d-druck-lernen.de

Posted : 05/03/2019 8:26 am
bud.m
(@bud-m)
New Member
Topic starter answered:
Re: my prints come lose

im using the pla that came that came with it it happen again today about 2 hours in a print and it came lose! idk, I had the table at 100 still don't know what to do

Posted : 06/03/2019 2:54 am
wieman01
(@wieman01)
Estimable Member
Re: my prints come lose

Hi,

100 degrees Celsius is way too high for PLA. Try 60 or 70 degrees. Also use the glue stick that comes with the printer and apply it to the print bed. I am sure this will mitigate your problems.

3D Druck für Einsteiger leicht gemacht: www.3d-druck-lernen.de

Posted : 06/03/2019 9:33 am
PJR
 PJR
(@pjr)
Antient Member Moderator
Re: my prints come lose

You might want to upload a photo of your first layer.

Peter

Please note: I do not have any affiliation with Prusa Research. Any advices given are offered in good faith. It is your responsibility to ensure that by following my advice you do not suffer or cause injury, damage…

Posted : 06/03/2019 9:50 am
gnat
 gnat
(@gnat)
Noble Member
Re: my prints come lose


Hi,

100 degrees Celsius is way too high for PLA. Try 60 or 70 degrees. Also use the glue stick that comes with the printer and apply it to the print bed. I am sure this will mitigate your problems.

Do not do this! PLA needs nothing on the PEI sheet. No tape. No glue. No hairspray. Nothing.

If you've already put the glue on the bed, do another wash as described above to get it off.

I went through a few Benchies with a similar problem to what you describe. Cleaning the bed was what was needed, but another step not mentioned above is to wipe it down with 100% Acetone (not regular nail polish remover) as well.

Avoid touching the print surface with your bare hands and make sure you are using lint free cloths/paper towels for your cleaning process.

If cleaning isn't doing it, your Live Z might be part of the issue (this is where pics would really help us). If you haven't already, look at the "life z adjust" thread and use that process to dial in your Live Z.

MMU tips and troubleshooting
Posted : 06/03/2019 6:41 pm
bud.m
(@bud-m)
New Member
Topic starter answered:
Re: my prints come lose

well I ordered some new pla and got it in last night did two prints and it didn't come lose at all. im getting a little warping on the last one so I need to do some more cal to get it lined out

Posted : 06/03/2019 8:10 pm
rebelgnome
(@rebelgnome)
Active Member
Re: my prints come lose

I'm having the same problem. I have just built my new Mk3S and all calibrated well. (Thoroughly enjoyed building it 😀 )

I followed Josephs newbie video and used the PLA that came with it. I didn't adjust any temp settings as the video didn't say to do so.

I printed the Prusa logo block and half way through the print detached from the bed. I adjusted the z axis and tried again. This time it worked and the logo printed well so I cleaned the bed throughly with the supplied isopropyl alcohol wipe and set off to print "Buddy". All went well until the print got to Buddy's nose (about 58th minutes) when the print suddenly dislodged from the bed and spun around. Image attached of how far Buddy got.

Is there something I'm doing wrong? This is only the third print sent to the printer and the steel bed was only just pulled from it's wrapper and cleaned with alcohol yesterday.

Posted : 16/03/2019 11:00 pm
randolph.l
(@randolph-l)
Honorable Member
Re: my prints come lose


I'm having the same problem. I have just built my new Mk3S and all calibrated well. (Thoroughly enjoyed building it 😀 )

I followed Josephs newbie video and used the PLA that came with it. I didn't adjust any temp settings as the video didn't say to do so.

I printed the Prusa logo block and half way through the print detached from the bed. I adjusted the z axis and tried again. This time it worked and the logo printed well so I cleaned the bed throughly with the supplied isopropyl alcohol wipe and set off to print "Buddy". All went well until the print got to Buddy's nose (about 58th minutes) when the print suddenly dislodged from the bed and spun around. Image attached of how far Buddy got.

Is there something I'm doing wrong? This is only the third print sent to the printer and the steel bed was only just pulled from it's wrapper and cleaned with alcohol yesterday.
IMG_0191.jpeg

Welcome Gnome...

The best prep for your bed is to wash it with warm water and dawn dish soap (in the UK use Fairy liquid) by using a wad of clean kitchen paper towel dampen with warm water and put a dollop of Dawn on the pad and scrub (i do it twice at 90 deg to each other holding the plate by the edge as it is a phonograph record rinse under running water and dry with clean paper towel keep touching only by the edge... I do this every other day of printing with both kinds of plate.

The turn 90 degrees and scrub again is important especially if you have a powder coated build sheep and always use clean paper towel not a used dishwashing sponge.

then set your live z with this method https://shop.prusa3d.com/forum/assembly-and-first-prints-troubleshooting-f62/life-adjust-z-my-way-t2981.html it is far better than the zig zag method in the firmware

since it sounds like you have an assembled printer Prusa will jump through hoops to make sure it is working for you.

So if this does not help contact prusa online chat system 24/7 support
log into your account on one of the prusa store pages and in the bottom right corner you will see the Chat system box click in it enter your Invoice number for you Prusa and start the chat system they do an excellent job and will take good care of you.

Posted : 16/03/2019 11:10 pm
Davejavu
(@davejavu)
Active Member
Re: my prints come lose

If your bed is clean as the other posts have suggested, try doing the ​First Layer Cal. again and squish the first layer a bit more. This forces the PLA to stick a bit better to the build plate.

Posted : 17/03/2019 11:54 pm
rebelgnome
(@rebelgnome)
Active Member
Re: my prints come lose

Thanks Randolph, you truely are a wizard 😀 That worked really well and I learned a lot from the JeffJordon post too. I have now printed Buddy, a frog and the batman symbol successfully with no movement.

David, I think it may have been the surface somehow as looking at the two buddies I printed they are very similar in quality so am assuming that the nozzle is in the correct position... if that is not what you meant, please let me know... still a newbie here 🙂

Posted : 18/03/2019 5:10 am
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