Tag: Mistake

RepRap Prusa i3 First Print Analysis, Adjustments & Second Print

Well after the failure of the first print I was kind of pleased!!! Until it failed it was printing way better than I had expected for a first print.

There were a few issues, as well as the failure of course, to take care of. So I had a close look at what didn’t work, print quality and the cause of the failure.

  • The Heated Bed is heating up very slowly and struggles to maintain temperature
  • When the G Code is loaded from Slic3r and the print button is pressed, nothing happens.
  • There were a few sections of a couple of layers missing – and of course it ended missing layer(s) altogether which led to the failure

I come up with fixes to all these issues and try to print 3D Benchy for a second time….

How to Build a Cheap Prusa I3 MK2 3D Printer – Schoolboy Error #1 Y Corners

In the last video I noted I could’t work out how the Y limit switches fitted. In the course of investigating I noticed a bigger issue – the 3D Printed parts on all four corners of the Y Axis should have cutouts in the top to let the linear bearings partly slide “into” the corners….. mine didn’t.

Turns out that there is extra material in the prints that needs to be removed – revealing these cutouts!!! If you know you know – and I didn’t 🙂

I’d like to think this is an easy mistake to make – so worth mentioning here and in the video.

Sadly it means that the Y corners were also the wrong way around, so will have to take the Y Axis apart and make the corrections. Doh!

The good news is that it should fix the issue with the limit switch. Every cloud and all.

© 2017 Jules Gilson

 

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