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3D Printing Hinges  

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Frasian
(@frasian)
Active Member
3D Printing Hinges

Hi everyone! Thanks for helping!

So, I am trying to print something with a 'print in place' hinge. It's not a big hinge, but it's also not a small hinge. I find that whenever I am done printing it, it doesn't actually close. There is something that is keeping it open. Any suggestions? I added a images of what sizes I am using for inner/outer diameter of the hinges, what the part looks like etc. I have tried making the hinge dimensions smaller, larger, everything I can think of.  The hinge seems to print fine, but when trying to close it, it does not. You can see what it does in the last image. PLEASE HELP!! Have been trying to solve this forever. 

                     

         

           

      

Finished Printing: 

Veröffentlicht : 08/05/2022 11:36 am
BrassEm
(@brassem)
Active Member
RE: 3D Printing Hinges

Try reducing your plate thickness.

Veröffentlicht : 08/05/2022 12:42 pm
BrassEm
(@brassem)
Active Member
RE: 3D Printing Hinges

Try reducing your plate thickness.

Veröffentlicht : 08/05/2022 12:45 pm
FoxRun3D
(@foxrun3d)
Famed Member
RE: 3D Printing Hinges

Move one of the top faces back 0.5 mm. 

Formerly known on this forum as @fuchsr -- until all hell broke loose with the forum software...

Veröffentlicht : 08/05/2022 5:01 pm
Frasian
(@frasian)
Active Member
Themenstarter answered:
RE: 3D Printing Hinges

Hi guys!

Thank you for the advice. That worked! Any reason why that is? 

 

Veröffentlicht : 08/05/2022 7:48 pm
BrassEm
(@brassem)
Active Member
RE:

Hope this explains it. (Click on the pic to see the whole diagram.)

 

Diese r Beitrag wurde geändert Vor 3 years von BrassEm
Veröffentlicht : 08/05/2022 10:08 pm
Frasian
(@frasian)
Active Member
Themenstarter answered:
RE:

Thanks for taking the time to make that diagram! It makes total sense. 

Diese r Beitrag wurde geändert Vor 3 years von Frasian
Veröffentlicht : 08/05/2022 11:55 pm
FoxRun3D
(@foxrun3d)
Famed Member
RE: 3D Printing Hinges

@brassem explained it well. I would just add that even if you have what he/she calls "perfect alignment" you may still run into issues because of the intrinsic imperfections of FDM 3D printing. Different printers have different tolerances, so I always add in a bit of extra clearance.

Formerly known on this forum as @fuchsr -- until all hell broke loose with the forum software...

Veröffentlicht : 09/05/2022 10:55 pm
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