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Vertical print problems

Posted by zhenning 
Vertical print problems
August 14, 2013 01:01PM

I tried to print a 1inch long calibration on each axis. All of them have 1inch measurement. But, the vertical axis looks very distorted especially if the print area is small. Do anyone have any suggestions on resolving this issue? Thanks. I am using Ramps 1..4 with Marlin firmware.
open | download - IMG_20130815_003334.jpg (70.7 KB)
open | download - IMG_20130815_003455.jpg (68.2 KB)
Re: Vertical print problems
August 14, 2013 06:00PM
It looks like your layers are too small and the part doesn't have enough time to cool off. Try directing a fan at the extruder. If you're using Slic3r, there is a cooling option that uses a pwm fan.
Re: Vertical print problems
September 09, 2013 07:45PM
that's absolutely right, that problem is due to print time for each layer being too short, and the bottom layer couldn't cool down quick enough for the next layer, so the nozzle is pushing the lower level when moving above.
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