Hello,
I’m thinking of fixing Thea P1P hanging on the wall at 90°, (the bottom fixed to the wall) in order to eject the parts automatically at the end of the print.
Do you think this won’t put too much stress on the moving parts?
Thank you
I would like to see the results if you do this.
Consider the probable effect of gravity on liquid plastic.
Many parts still stick to the plate even after they cool completely. And if they don’t, will they stick long enough to complete the print?
The steppers and belts are designed to slide the print head on low-friction rods, not lift it. Will up and down speeds still be the same?
Will the frame of the printer remain square?
It will be only for small height parts (<40mm), I think it will be fine.
But I have the same questions as you.
I’ve seen some belt printers fixed on walls, but the frame seems to be stiffer, or not ?
But were the belt printers extruding horizontally? Every print will extrude onto air instead of a bed. If that worked, we could quit worrying about overhangs and never need supports for our prints.
Sorry, I seriously doubt that this could work. (I actually thought you were joking.) If you must try it, just tip your printer over on a table and see what happens before you go to the trouble of mounting it on a wall.
Here you can see a wall mounted belt printer :
And here an upside down conventional 3D printer :
My big concern is the stress put on the machine.
I may not dot it, but I’ve had this idea in my head for a while.
We only have X1 carbon printers and I don’t want to risk one of them 
You need a belt printer (I have one) to automatically eject parts after printing. They will not fall off on their own (well, they might. But you couldn’t be sure they will, always). That’s the original intent of belt-based build plates - eject parts after printing. It was only after the idea was invented that someone realized you could tilt the X/Y stage at 45º and print something infinitely long in the Z axis (which is why I bought my belt printer).
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I don’t like the 45° degrees angle.
it’s not possible to have a smooth top layer, you always get printing lines. A 90° belt 3D printer would be the dream but there are few options and they don’t suit me (mainly the print speed).
The fact that the printer is mounted on the wall will only serve to make the parts fall, the take-off would be done in another way.
I manage to take them off by just lifting the front of the PEI bed, after cooldown.
I saw some review videos for belt printers and the fix for a good top layer was to slice the model at 45°. It worked for a benchy, not sure if it would work for you.
Thank you for all those informations. I think I found a simpler solution. I saw someone using an old ender 3 to pick up the parts. That’s good, I have a good number of them retired