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mesh bed leveling during pre-heat  

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Chip
 Chip
(@chip)
Active Member
mesh bed leveling during pre-heat

I'm not sure if this is something that is a prusa firmware limitation, or because I'm using Octiprint for my printing.  Also, this goes under the category of "wouldn't it be nice if".  Right now, my gcode starts pre-heating and waits till the pre-heating is done before it starts doing anything else.  Wouldn't it be nice if it could go on and start doing the mesh bed leveling while it's pre-heating?  Just a thought.  It might be a limitation of gcode since it has to work on other systems too.  I don't know enough about 3d printing to know.

Napsal : 15/11/2020 6:54 pm
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(@)
Illustrious Member
RE: mesh bed leveling during pre-heat

You are welcome to try that. Just make a few minor changes to your Printer Profile Custom G-code Startup G-code.

But I wouldn't recommend it. Heat makes metals and plastics change geometries, and calibrating while cold, or worse, while temps are changing... well, it's just a bad idea.

Napsal : 15/11/2020 8:41 pm
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Fallon
(@fallon)
Eminent Member
RE: mesh bed leveling during pre-heat
Posted by: @-2

You are welcome to try that. Just make a few minor changes to your Printer Profile Custom G-code Startup G-code.

But I wouldn't recommend it. Heat makes metals and plastics change geometries, and calibrating while cold, or worse, while temps are changing... well, it's just a bad idea.

The bed warps significantly every time it heats up due to thermal expansion. Usually more than a layer height, sometimes 2. Probing before it's stabilized & while it's still changing defeats most of the purpose of probing to start with.

Napsal : 17/12/2020 7:47 pm
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