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Kids, don't try this at home!  

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jsw
 jsw
(@jsw)
Famed Member
Kids, don't try this at home!

This is not directly Prusa-related, more general 3d print related, but I thought I would post this here too in case anyone ever gets the idea of trying what seemed to be a solution for a stuck print.

This was on an Ultimaker S5 with a borosilicate glass build plate.

 

Last night I launched a print for a neighborhood project. Generic ABS with PolyDissolve support material. Been there, done that, countless times. Ultimaker S5.

I let the finished print sit overnight, assuming it would be loose in the morning.

Nope, it felt like it was welded to the print surface.  NBD, place in the refrigerator for 30 minutes or so. Nope, still solid.

I thought of putting it in the freezer, but decided instead, since the support material was heavy on the underside, to try to simply melt out enough of the support material to let it release.

I put it in the spare bathroom sink, tilted it just so, and started running warm (not hot, both taps on) over it so it hit the support material. I went away and resumed my morning web surfing.

After a few minutes I heard a loud >>CRASH<< come from the vicinity of the spare bathroom. I thought at first that it had somehow fallen, but I knew it was securely in the sink.

OUCH! That glass build plate obviously cannot take a joke of being cooled then warmed. The water was lukewarm, but still, the thermal stress was obviously too much for it to take.

Fortunately the ShopVac cleaned up the remains nicely.

If there's any good news, the print looks like it will be successful.

Lesson learned the hard way.

Respondido : 18/12/2024 2:24 pm
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