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Print stuck to glass

Posted by stan510 
Print stuck to glass
November 13, 2016 08:09PM
My print (50mm disk essentially) is stuck fast to the glass plate. I have tried everything to get it off. No luck. Suggestions? I use glue stick to get adhesion.
Re: Print stuck to glass
November 13, 2016 08:27PM
Put glass and print in freezer, the different contraction rates should separate them
Re: Print stuck to glass
November 13, 2016 09:15PM
I tried a version of that but I'll try it again
Re: Print stuck to glass
November 13, 2016 10:40PM
I poured hot water on the back of the frozen plate. Still stuck. Any more suggestions? Thanks.
Re: Print stuck to glass
November 14, 2016 01:13AM
well it sounds like your glue is far to sticky...


get a large wood chisel (with un damaged head) slide the flat of the blade on the glass and attempt to get under the print, once under carefully twist
You may need to do this from several corners of the part.

Be careful, don’t slice your fingers off!
Re: Print stuck to glass
November 14, 2016 01:55AM
I usually use a razor scraper to get under the edges.
Re: Print stuck to glass
November 14, 2016 12:26PM
I ended up putting it into my oven set at 400F. I took it out when the oven was at 360F and it slid right off. I cleaned up the residue with alcohol. Problem solved.
Re: Print stuck to glass
November 14, 2016 01:02PM
What glue was that? grinning smiley
What material you print?

Edited 1 time(s). Last edit at 11/14/2016 01:02PM by Veesta.
Re: Print stuck to glass
November 15, 2016 05:06PM
Elmer's all purpose clear glue stick. I'm using PLA filiment.
I found that placing the glass on my stove element (electric stove) and heating a bit frees it up without danger of melting the item. I just push on it with something while heating and it slides off, usually in less than a minute.
Re: Print stuck to glass
November 15, 2016 08:38PM
I use that same combination, except glue is made by Scotch.

Prints on the "fresh" glue layer usually sits really well, that i might even need some force to remove it even after it cools down.
But the next 2-4 prints it will pop up after it cools down to room temperature. eventually the glue will fail and needs to be washed off and reapplied.

Maybe tap the bottom of a print gently with a small hammer? Or screwdriver or wrench?
(Don't hit the glass, just slide along the glass surface towards the print)
Re: Print stuck to glass
November 15, 2016 10:52PM
Run water over it the glue is water soluble.


Newbie with Folgertech 2020 i3.
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