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Z Lift Issue  

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FreestyleEngr
(@freestyleengr)
Trusted Member
Z Lift Issue

The Z lift on the top layer causes there to be spikes on my finished prints. This is frustrating because the parts I produce are tactile and meant to be handled, so the spikes have to be manually removed by hand.

I temporarily fixed the problem by changing the printer setting to stop lifting z after a certain height, however its rather clunky. 

Is there a way to keep the printer from lifting Z during the top layer?

Posted : 30/01/2022 6:58 am
Diem
 Diem
(@diem)
Illustrious Member

How big are these spikes?

It is normal for fine prickles, almost invisible, to be left on the top surface but a routine pass, just a few seconds, with fine-grit abrasive should deal with them.

Cheerio,

Posted : 30/01/2022 12:03 pm
FreestyleEngr
(@freestyleengr)
Trusted Member
Topic starter answered:
RE: Z Lift Issue

My issue is that for large scale production projects, the post process time is extensive.

 I'd much rather have my parts come off the printer ready to use.

The spikes are about 0.2mm in height, but are very sharp.

Posted : 30/01/2022 3:21 pm
Diem
 Diem
(@diem)
Illustrious Member

I'd much rather have my parts come off the printer ready to use.

Tough.

3D printing does not produce finished objects.

Cheerio,

Posted : 30/01/2022 6:23 pm
FreestyleEngr
(@freestyleengr)
Trusted Member
Topic starter answered:
RE: Z Lift Issue

Wow, do you even 3D print bro.

Every part I print for my business is ready to ship hot off the printer with no sanding or post-processing involved.

That is one of the most significant advantages to 3D printing, you can design parts for manufacturing to such an extent that your only costs are materials, equipment, and the time to package & ship.

 

 

 

Posted : 30/01/2022 8:03 pm
Neophyl
(@neophyl)
Illustrious Member
RE: Z Lift Issue

It’s great that some of your models can come off like that. But obviously in this case they aren’t. Otherwise you wouldn’t be asking anything.

All I can suggest is to turn z hop off completely for these parts if you don’t want the associated problems that having it on is causing you. 

Of course you haven’t posted a zipped up project 3mf that would allow others to evaluate the print and settings so any help will be limited to generalities. 

Posted : 30/01/2022 8:46 pm
FreestyleEngr
(@freestyleengr)
Trusted Member
Topic starter answered:
RE: Z Lift Issue

Thanks for joining the conversation 🙂

If you read my first post, I resolved the issue by turning off z lift after a certain height through the printer settings, but that is not a perfect fix.

I obviously can't post the .3mf file since it contains proprietary designs.

Ill upload an example part when I get a chance. Tons of design work today.

Posted : 30/01/2022 8:53 pm
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