Rebekah_harper
Posts: 263
Joined: Wed Jan 21, 2015 10:25 am

Blobs every where.

Thu Feb 12, 2015 12:38 pm

Hiya all,

I've noticed throughout printing with ABS that every layer there are loads of blobs.
It's not just on the out side but in every line.
I can't match the blobs up with stop/start points. They get deposited at random making the layers uneven, buit like the moon's surface. There is retract on but unless it's possessed by a demon and is retracting like its on speed, I don't htink it's that.

At the start it produces smooth flat lines.

I will get a photo sorted ASAP but in the mean time, if any one has any ideas please help

I'm running on 230C temp fro the abs

Cheers guys.

Rebekah_harper
Posts: 263
Joined: Wed Jan 21, 2015 10:25 am

Re: Blobs every where.

Thu Feb 12, 2015 1:25 pm

Image

You can see the bumps and I don't know why they are appearing so I cant find a solution.

The black/green is the HIPS support, prints just fine.

User avatar
jimc
Posts: 1124
Joined: Wed Aug 28, 2013 10:02 pm
Location: mullica, nj
Contact: Website

Re: Blobs every where.

Thu Feb 12, 2015 4:33 pm

looks like some heavy overextrusion

Rebekah_harper
Posts: 263
Joined: Wed Jan 21, 2015 10:25 am

Re: Blobs every where.

Thu Feb 12, 2015 6:40 pm

Thank you.

I'll change my setting for dealing with that. :-)

JoeJ
Posts: 1436
Joined: Sun Feb 16, 2014 10:52 am

Re: Blobs every where.

Fri Feb 13, 2015 5:31 am

Yup, looks like it is extruding too much

Rebekah_harper
Posts: 263
Joined: Wed Jan 21, 2015 10:25 am

Re: Blobs every where.

Fri Feb 13, 2015 4:27 pm

Well with that answered and now solved I've ended up with sections of layer missing.
I've posted some pictures in "mind the gap" post.
Is the settings I've adjusted on the extruder that sensitive?

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