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Poor print corners, but not everywhere!

Posted by Potapich

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Potapich

Poor print corners, but not everywhere!
March 19, 2014 05:16AM

Registered: 12 years ago
Posts: 22

Greetings!

There is a problem here. Do you think what might be wrong?

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open | download - Bad_corners.jpg (207.7 KB)

Ralf

Re: Poor print corners, but not everywhere!
March 19, 2014 11:55AM

Registered: 13 years ago
Posts: 198

Which material? My guess is ABS..

In case of ABS, I would raise the temperature on the hotend to 245 degrees, turn off any fan's, and lower the bed temperature after first layer, to something around 80-95 degrees, where the print still sticks.

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Potapich

Re: Poor print corners, but not everywhere!
March 19, 2014 01:51PM

Registered: 12 years ago
Posts: 22

How exactly said! smiling smiley

This ABS, temperature 255 degrees, the fans are off. The bed temperature is approximately the same.

If you look closely, on the second "floor", first layers corners normal, but then again starts to degrade.

Please see new file.

Edited 1 time(s). Last edit at 03/19/2014 01:59PM by Potapich.

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Attachments:
open | download - Bad_corners2.jpg (60.2 KB)

Floyd

Re: Poor print corners, but not everywhere!
March 19, 2014 03:33PM

Registered: 12 years ago
Posts: 770

255 is fairly hot. I print my ABS at 225 without issues.
Bed at 110c for the whole print. I tried cooler temps for the first layers but it kept lifting.

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Potapich

Re: Poor print corners, but not everywhere!
March 20, 2014 03:15PM

Registered: 12 years ago
Posts: 22

You think this may be due to temperature? Well, I will try to reduce smiling smiley