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Bed rising during printing.

Posted by famtory

famtory

Bed rising during printing.
October 18, 2015 01:06AM

Registered: 8 years ago
Posts: 3

I used translate.
=================
I made printer.
It has problem.
start print! (from sdcard)
printing...
printing....
everything ok.
but!!!
suddenly!!!! bed rising during printing.
It is very fatal.

I confirm g-code.
other printer it has no problem with same gcode.
.
I trid.
change mega2560
change lcd cable.(long to short)
change SDCARD(sdhc to nomal)
.
but still has problem.
Who had the same problem, please help.

Edited 4 time(s). Last edit at 10/18/2015 01:14AM by famtory.

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Attachments:
open | download - KakaoTalk_20151001_132506038.jpg (65.5 KB)
open | download - KakaoTalk_20151001_132520878.jpg (45.6 KB)
open | download - KakaoTalk_20151007_082501739.jpg (106.5 KB)
open | download - KakaoTalk_20151018_130421522.jpg (290.1 KB)

the_digital_dentist

Re: Bed rising during printing.
October 18, 2015 07:04AM

Registered: 11 years ago
Posts: 5,780

The bed isn't rising, the print is curling and peeling the tape off the bed.
What material are you printing with? What are the nozzle and bed temperatures?
Maybe the tape is the biggest problem- it looks like its adhesive isn't up to the task. Most people use blue painter's tape- the adhesive isn't the same as the brown stuff. Try blue...

I see masking tape in the first couple pictures- what is on the bed in the last two pictures?

Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]

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famtory

Re: Bed rising during printing.
October 19, 2015 10:18AM

Registered: 8 years ago
Posts: 3

Thank you.

first picture. has two problem.
1. Poor adhesion.
and rise bed.

3rd picture.. adhesive ok. but bed rise.

4th picture..
bed rise.
so Kapton tape was torn.
--
sorry.. my english bad. T,T

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deaconfrost

Re: Bed rising during printing.
October 26, 2015 08:36AM

Registered: 8 years ago
Posts: 310

Your heat bed on z axis. You sure the z motors steps are correct?

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o_lampe

Re: Bed rising during printing.
October 26, 2015 12:24PM

Registered: 8 years ago
Posts: 5,232

Check the dir pin of the z-driver. It might cause the z-stepper to change direction in the middle of a print.
It is probably a bad solder contact.
-Olaf