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Trsnsition replication when printing multiple parts  

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Eric
 Eric
(@eric-17)
Active Member
Trsnsition replication when printing multiple parts

I'm brand new to 3D printing, so please bear with me.

I'm printing (2) parts.  The 1st part has only a slight taper.  The 2nd part has several transitions as it goes up.  They are the same height on the Z Axis.  If I'm printing them separately, they both print with no issues.

My issue happens when printing both parts at the same time.  I've placed the 1st part with the taper on the left of the part with the transitions.  Every time there is a transition in the 2nd part, the first part has a small wave.  At the start of the transition the 1st part will have (4) lines bumped to the right toward the power supply side.  Line 5's position is inline with the original orientation.  The next few lines appear to over shot slightly on the left side almost creating a small wave in the 1st part.  Just to be clear the inside diameter does not change size.  Its the same effect I would expect to happen if I bumped the printer while printing.

The 2nd part, who made the transition which effected the 1st part, also has some defects which are 100% inline with the 1st part.  It cuts deep on the left side and pokes out on the right.  However it's distortion is much tighter, less exaggerated, and less wave like.  At first glance I did not even notice the 2nd parts distortions.

Any help is much appreciated.

Posted : 29/07/2022 12:30 am
Tim Weston
(@tim-weston)
Estimable Member
RE: Trsnsition replication when printing multiple parts

It will be an enormous help if you can post some pictures of what is happening and upload a ZIPPED version of the .3mf file for the print project.

With that information available the community should then be able to offer some insights.

Cheers,

Tim

Posted : 29/07/2022 7:44 am
Eric
 Eric
(@eric-17)
Active Member
Topic starter answered:
RE:

Here are the requested files.  For some reason the images don't want to display so I included them in the zip.

Prusa support files Layout of parts

Top of parts. The distortion becomes more pronounced as it goes up. Notice it happens close to the board as well, its just not as pronounced.

This post was modified 2 years ago by Eric
Posted : 29/07/2022 1:08 pm
Eric
 Eric
(@eric-17)
Active Member
Topic starter answered:
RE: Trsnsition replication when printing multiple parts

I added the gcode in the above post.  I misread your request.  This zip contains the 3mf and stl files as well.

 

Thanks again.Prusa support files

Posted : 29/07/2022 1:18 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: Trsnsition replication when printing multiple parts

There were formatting commands around the pictures, I removed them to allow the pictures to display, 

regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Posted : 29/07/2022 8:38 pm
Swiss_Cheese
(@swiss_cheese)
Noble Member
RE: Trsnsition replication when printing multiple parts

@beemrup

 

This appears to be layer shifting, most often this is caused by something mechanical being loose, I would start be checking the Grub screws (allen screws that hold the pulley's that drive the belts) on the belt pulley's, make sure they're tight. The X axis seems to be the main culprit based on your Photos. Then check to make sure your belts have proper tension on them once again I would focus on the X axis first. The belt tension built into the machine is generally regarded as useless by many users, and they prefer to print and use the printable prusa belt tension meter.

Note it is advised to print this from Prusament PETG, for it to be accurate when reading.

https://www.printables.com/model/46639-tension-meter-for-the-gt2-belts-of-i3-mk3s-or-prus

 

It should be noted that other problems that look similar can occur on tall thin prints like these, but try checking the mechanical items I mentioned first, and if that doesn't help to resolve the problem we can move on from there.

 

Regards

 

Swiss_Cheese

 

 

 

The Filament Whisperer

Posted : 29/07/2022 9:27 pm
Eric
 Eric
(@eric-17)
Active Member
Topic starter answered:
RE: Trsnsition replication when printing multiple parts

Thanks I'm a newbie

Posted : 29/07/2022 10:13 pm
Eric
 Eric
(@eric-17)
Active Member
Topic starter answered:
RE:

Awesome.  Thanks for the suggestions.  I'm now traveling and it will be next week before I can review and update my findings.

Thanks again

Posted : 29/07/2022 10:17 pm
Swiss_Cheese
(@swiss_cheese)
Noble Member
RE: Trsnsition replication when printing multiple parts

😉 👍  I read that part.

 

Hopefully you'll be able to follow, If you have trouble always try looking for the answer first. But if you can't find it, feel free to come in and ask.

Some of this information can be hard to locate at first.

 

Regards

 

Swiss_Cheese

 

This post was modified 2 years ago by Swiss_Cheese

The Filament Whisperer

Posted : 29/07/2022 10:23 pm
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