Printing with PolyCarbonate

Thoughts about Raise3D, 3D printing and making in general.
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Printing with PolyCarbonate

Postby RiserDog » Mon Jul 02, 2018 6:05 pm

I have been giving PC a go and have had success with simple things like a hook and a clip. However when I try something more complex that has supports and takes several hours to print, the part does not stick very well to the bed. i am getting some warping. I am using a temp of 260 for the nozzle and 80 for the bed. I am using polymaker pc plus. Have tried glue on glass and alos buildtak.

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Re: Printing with PolyCarbonate

Postby zemlin » Mon Jul 02, 2018 6:53 pm

I print eSun ePC on PEI @ 110C with good success. I print clear at 290C. I have black and white but haven't tried printing them yet.

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Re: Printing with PolyCarbonate

Postby Rogman » Mon Jul 02, 2018 8:52 pm

Polmaker Black PC MAX, i tried buildtak and it failed miserably the PC stuck to the buildtak but the buildtak adhesive pulled up from the glass. I printed a 12" x 12" x 3" telescope camera adapter on bare glass with purple glue stick and it worked great, i had the first print fail on the first layer. i stopped the print and raised the bed another .01mm (screw that sets Z home, left front corner of bed) and started again. Nozzle temp. at 270 c and bed at 110 c, and i slowed the print speed down to 40 mm/sec. also, if surface area that is in contact with the glass is small then i suggest you use helper disks. or something similar.

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Re: Printing with PolyCarbonate

Postby RiserDog » Tue Jul 03, 2018 7:54 pm

hey Zemlin,
Can you post a picture of something you printed with ePC on the raise? I would like to see the complexity level. Thanks for all of the comments!

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Re: Printing with PolyCarbonate

Postby EldRick » Wed Jul 04, 2018 2:21 am

PC does not react well to printing fast, as it seems rubbery and acts like it has high surface tension while hot. IMHO, 40mm/sec is about the maximum speed for good prints - 30mm/sec is probably going to be more reliable.

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Re: Printing with PolyCarbonate

Postby AFTECH » Wed Jul 11, 2018 4:00 pm

I've printed several parts in PC transparent from polymaker at 260°C and 80°C bed without problems and with good results.
Speed was 50mm/s and resolution 100micron (and some trials at 50microns)

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