Dougwar
Posts: 7
Joined: Mon Feb 02, 2015 8:40 am

Line in the start outer perimeter (not a blob)

Mon Apr 25, 2016 5:50 pm

First the pics
Image

Image

Image

Image

Image

I tried inside-out, outside-in, wipe, coast, negative restart and so on...
Do you have any suggestion?
*** This issue happens in two different machines.
Thanks

odudex
Posts: 4
Joined: Mon Apr 25, 2016 5:57 pm

Re: Line in the start outer perimeter (not a blob)

Mon Apr 25, 2016 6:06 pm

Too much material,
your extruder's pressure is raising while it fill a gap in your wall, than, when it starts a new line it releases the pressurized material causing this thicker lines.
Good practice is to have a wall width multiple of your extrusion width. ex: A wall of 0,96mm for a extrusion width of 0,48mm.
You can also low the "Allowed perimeter overlap" in "Advanced" tab

zemlin
Posts: 266
Joined: Mon Feb 01, 2016 11:36 am

Re: Line in the start outer perimeter (not a blob)

Mon Apr 25, 2016 11:19 pm

On the layer tab you can select Random Start points. That will scatter the retraction points randomly around the part rather than lining them up all neat and tidy.

Each part has it's own issues which may be improved by changing settings for retraction, cost, wipe, etc - Because of the nature of the process it's not going to be possible to elimination retraction marks completely.

Dougwar
Posts: 7
Joined: Mon Feb 02, 2015 8:40 am

Re: Line in the start outer perimeter (not a blob)

Tue Apr 26, 2016 5:42 pm

Doesnt help
ImageImage

KC_703
Posts: 238
Joined: Tue Aug 26, 2014 5:23 pm

Re: Line in the start outer perimeter (not a blob)

Tue Apr 26, 2016 6:10 pm

The line seems to the outer area of patchiness... Do you have wipe or coast set? How about retract settings... specifically "extra restart distance". Post the factory file and gcode. It would be interesting to see how the travel relates to the beginning or end of patchiness.

zemlin
Posts: 266
Joined: Mon Feb 01, 2016 11:36 am

Re: Line in the start outer perimeter (not a blob)

Tue Apr 26, 2016 11:17 pm

Dougwar wrote:Doesnt help
What did you try?
How 'bout uploading a factory file so we can see what you're doing.

User avatar
dkightley
Posts: 2079
Joined: Tue Mar 10, 2015 4:09 pm

Re: Line in the start outer perimeter (not a blob)

Wed Apr 27, 2016 4:29 am

And it would be really helpful if you were a little more helpful as to exactly what the actual issue is you're having problems with. Lines? Vertical or horizontal. Looking at your photos, I can see both!

You need to help us so we can help you!!!
Doug Kightley
Volunteer at the National Tramway Museum http://www.tramway.co.uk
Railway modeller and webmaster at http://www.talkingtgauge.net

Dougwar
Posts: 7
Joined: Mon Feb 02, 2015 8:40 am

Re: Line in the start outer perimeter (not a blob)

Wed Apr 27, 2016 12:26 pm

dkightley wrote:And it would be really helpful if you were a little more helpful as to exactly what the actual issue is you're having problems with. Lines? Vertical or horizontal. Looking at your photos, I can see both!

You need to help us so we can help you!!!
Horizontal lines, it's hege, but only in the outer perimeter start

User avatar
dkightley
Posts: 2079
Joined: Tue Mar 10, 2015 4:09 pm

Re: Line in the start outer perimeter (not a blob)

Wed Apr 27, 2016 2:18 pm

Doug Kightley
Volunteer at the National Tramway Museum http://www.tramway.co.uk
Railway modeller and webmaster at http://www.talkingtgauge.net

Dougwar
Posts: 7
Joined: Mon Feb 02, 2015 8:40 am

Re: Line in the start outer perimeter (not a blob)

Wed Apr 27, 2016 4:50 pm

Read my posts, lines in the start perimeters, its not z related

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