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PLA warping due to wather
Posted: Thu Dec 17, 2015 9:32 am
by artem
I am having problems with PLA warping when printing medium size objects due to cold weather and I was wondering does any one have any suggestions how to fix this problem?
My current configurations.
Bead temp: 75
extrude temp: 195
bed adhesive: strong hair spray.
Re: PLA warping due to wather
Posted: Thu Dec 17, 2015 9:42 am
by Bratag
75 seems high for a bed temp for PLA - anyway you could try running without a fan I guess - or build yourself a little enclosure out of cardboard boxes. Me I just keep my house tropical via the thermostat
Re: PLA warping due to wather
Posted: Thu Dec 17, 2015 2:00 pm
by thunderbt3
I also agree that 75 is too high for bed temp. I would try 55-60.
Re: PLA warping due to wather
Posted: Thu Dec 17, 2015 2:35 pm
by Jules
Yep, me too. I would try 45°C to 50°C for the bed temperature. (And a lot of hairspray.)
When the print is finished, let it cool completely to room temperature before you take it off the bed. And use a high infill (at least 50%) to keep the warping from happening after you take the print off of the plate.
(I had the same problem with a large area thin print i just finished up - it spanned the entire bed, and the initial infill was too low. When i took it off, it warped after the fact.)
Re: PLA warping due to wather
Posted: Thu Dec 17, 2015 3:37 pm
by Tim
Not that this is an ideal solution, but because PLA gets soft at such a low temperature, if you have a print that is already warped, you can often straighten it back out just by putting it on top of a warm hot plate and pressing it back into shape.
Re: PLA warping due to wather
Posted: Thu Dec 17, 2015 3:47 pm
by Jules
Tim wrote:Not that this is an ideal solution, but because PLA gets soft at such a low temperature, if you have a print that is already warped, you can often straighten it back out just by putting it on top of a warm hot plate and pressing it back into shape.
Brilliant! (Wish i'd thought of that before i reprinted that last one.)
Re: PLA warping due to wather
Posted: Thu Dec 17, 2015 6:09 pm
by Tim
Jules wrote:Brilliant! (Wish i'd thought of that before i reprinted that last one.)
In all fairness, it wasn't my idea, but I can't remember where I heard it.
Re: PLA warping due to wather
Posted: Thu Dec 17, 2015 11:08 pm
by artem
Thank you guys for a lot of good suggestions I will try them all when I get home.
I also want to add a bit more information that may direct suggestions towards a correct one.
When I print I have warping in my support structure which eventually comes loose and messes up entire print.
Re: PLA warping due to wather
Posted: Thu Dec 17, 2015 11:17 pm
by Jules
artem wrote:Thank you guys for a lot of good suggestions I will try them all when I get home.
When I print I have warping in my support structure which eventually comes loose and messes up entire print.
Use a raft.