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Skipping steps and others

Posted by FSilvestre 
Skipping steps and others
February 26, 2014 06:37AM

Before everything, i've tryed every solution possible that i could find, adjusting the screw (under and over), adjusting the software, redoing the wiring, changing the stepper motor but i still get skipping on my y axis, is it possible it is a problem with the ramps?

It's a Prusa i3 with ramps 1.4, is the second printer i build with the first printing perfectly but this one can't get it to work well.

Some pictures to see a part i just printed and some problems with it.

open | download - IMG_20140226_111942927_HDR.jpg (591.3 KB)
open | download - IMG_20140226_111931199_HDR.jpg (558.1 KB)
Re: Skipping steps and others
February 26, 2014 02:07PM
That looks more like an over extrusion problem, not skipped steps on the y.
Re: Skipping steps and others
February 27, 2014 08:46AM
Yes, there was a bit too much on that piece but on the top part you can se the skipped steps.

Another pieces i've printed after all of that i've done before and this time i also changed the polulu and still got skipped steps.

Is it possible it could be a problem from the ramps?
open | download - IMG_20140227_124700838_HDR.jpg (501.5 KB)
Re: Skipping steps and others
February 27, 2014 09:09AM
With your over extrusion problems, you are bound to have excess curl on the edges. Your nozzle is likely hitting this and causing skipping.
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