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Issues with slicer. Please help!

Posted by Bigq30 
Issues with slicer. Please help!
December 27, 2013 01:41AM
Hi I recently built a Prusa i3 from Makerfarm and suddenly ran into an issue with what I believe to be my slicer. I was able to print the calibration cube that came with the ramps software but I am now having issues printing everything. Please take a look at the video as it'll show my issue clearly. I am currently using the most updated versions of Pronterface and slic3r. Any help would be fantastic!

[youtu.be]
Re: Issues with slicer. Please help!
December 27, 2013 04:16AM
This is mostly likely that you haven’t tuned your stepper current on you X axis steppers

So you don’t have enough current and you X axis is skipping

For pololus see [reprap.org]

The math is different for different stepper drivers and steppers.

Or you could just turn it up a fraction (no more that 1/8th of a turn ) and try it. As long as your steppers aren’t over heating or vibrating
Re: Issues with slicer. Please help!
December 27, 2013 11:24AM
Unless you have fiddled with the pots on the stepper drivers, they should be set fine on a MakerFarm kit. Do not mess with them unless you have a DVM to set them properly. The pots are very sensitive and it's *very* easy to mess up the settings.

Check the set screws on the gear that drives the X belt. I suspect they are not tight enough and the gear is slipping.
Re: Issues with slicer. Please help!
December 28, 2013 03:26PM
Looks like it's skipping steps, but at the same time, it seems weird where it is placing a second layer with nothing underneath, even if the layers were aligned over each other properly. Could you post the gcode file? If you like I could give it a go just to make sure that part it ok.
Re: Issues with slicer. Please help!
January 02, 2014 09:15AM
Check the set screws attaching the X-axis pulley to the motor.
Check Belt tension and also path - make sure it is not catching someplace.
Finally, as suggested above carefully adjust the stepper driver current. Your motor
should not get hot.
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