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Gaps in the first layer when printing ABS  

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johnny.y
(@johnny-y)
Active Member
Gaps in the first layer when printing ABS

I'm having issues with gaps showing in the first layer. It almost isn't enough material extruded. I'm thinking the nozzle isn't close enough to the bed. I have adjusted live z to -0.16 already. I'm used to the old way of calibration with the single piece of paper method when I was using my flashforge printer. Is there a way to still do that with this printer?

I don't have gaps on any of the other layers. I tried adjusting the flow and nothing seems to have made any noticeable difference. I also played with the extrusion multiplier and that also did nothing.

http://imgur.com/a/OB4mT

See this picture. The one on the right was made by my old flash forge printer. The one in the red was made by the Prusa I3 MK2.

Respondido : 25/08/2016 8:15 pm
David T.
(@david-t)
Noble Member
Re: Gaps in the first layer when printing ABS

Use live adjust Z and go lower with nozzle. I guess about 100um maybe even more.

Respondido : 25/08/2016 10:13 pm
johnny.y
(@johnny-y)
Active Member
Topic starter answered:
Re: Gaps in the first layer when printing ABS

Ok I did a combination of things. First I tried adjusting down more with the live z feature and it just wasn't going down enough. So what I did to fix it was to hit auto home and then used the live z down far enough and I put a sheet a paper to get it perfect. Live z was set to -.33 . First layer is perfect now.

It also fixed a sporadic warping issue with ABS with this as well. I think the printer is pretty much working really well.

Respondido : 26/08/2016 3:54 pm
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