Bumps on top of thin walls

[turbo2ltr]

Has anyone ever seen this? The bumps starts to develop as the print gets higher off the bed.

20150725_100644.jpg

I'm using slic3r. Watching it print, it uses three different speeds, but I can't seem to figure out which one to change. I figured slowing the fastest one down would fix it.

Thanks

[turbo2ltr]

Caught it just before it finished

[curious aardvark]

infill speed is probably the fastest.
Try changing that.

I find that the sudden speed change between printing and head movement without printing pulls the filament up like that. so i tedn to move the ehad at the same speed I print at and you get a lot less of the sudden pull on the filament.

And how are you printing from slic3r to a flashforge pro ?

Also if that video's real time - you're printing too fast anyway.

Just because it says it'll rpint at 150mm/s on the box - doesn't mean it's not telling lies :-)
The fastest I print at is 70mms. Average 50-60.

[turbo2ltr]

Thanks for the reply.

The video is is real time. My infill speed was 80. I reduced it to 70 and it helped a bit. My non priniting move speed is 130.
Current settings:
Capture.jpg

I'm using win-gpx32 converter. (I'm open to other alternatives, though I finally got the settings on slicer printing pretty well)

[curious aardvark]

you're just printing way too fast.

knock it all down to 60 and see if that helps :-)

And it can't hurt to try makerware: http://3dprintboard.com/showthread.php?12562-makerware-bundle-of-awesome-2-4-27-for-x86-computers