1 Topic by reznor9

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Topic: New filament, settings suggestions?

I decided to try a different brand of ABS and ordered a spool from hatchbox on Amazon. Their PLA has treated my well so I thought I'd try their ABS.
Prior to this I've only used Seinsmart ABS and it's worked fairly well and produced decent prints.
With this new ABS I'm having some difficulty figuring out what settings to tweak.

Bed has been calibrated using paper method in the sticky.

First off let me say that the final top layers comes out with a decently smooth finish. What I'm concerned about is the layers in between. They seem extremely messy from what I've experienced with my previous ABS. And I find myself having to periodically check on the print ad the nozzle can get a slight buildup of ABS due to rubbing across all the fly away looking pieces as it moves about.

Any suggestions where to start?

http://soliforum.com/i/?bpOsksw.jpg
http://soliforum.com/i/?QUzWoIw.jpg
Print settings I'm using are:
Extruder 230
Platform 90

Infill 15%
Layer height 0.15

Shells
Side 3
Top 6
Infill 4

All speeds set to 30

2 Reply by reznor9

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Re: New filament, settings suggestions?

I tried lowering the Z settings and it just made the nozzle run into the previous layers with an ugly scraping sound. So I lifted it back up one notch and it doesn't appear to scrap, but still collects buildup from the messy abs fraying on the previous layers.

3 Reply by reznor9

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Re: New filament, settings suggestions?

Im almost of the mind that the filament is just bad.
I used these same settings for my sainsmart abs and the prints never did this.

Ive so far tried to lower and raise the extruder temperature 5 and 10 degrees in each direction with no improvement on either end.

If you guys have any suggestions Id still be happy to hear them but Im leaving a poor review on amazon and hoping they will reach out to me to replace the spool

4 Reply by Kronikabuse

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Re: New filament, settings suggestions?

you need to calibrate your extrusion rate for the new spool of filament

Sd4 #9080 with a glass bed. E3d chimera duel extruder. Paste extruder , duet wifi.
Lawsy carriages. linear bearings. Y axis direct drive, Kinect scanner
SD4#8188 glass bed, lawsly carriages, E3d v6, octoprint http://www.ustream.tv/channel/hotrod96z28
Filastruder/filawinder, Custom Delta 300mm x 600mm

5 Reply by reznor9 (edited by reznor9 2016-05-11 09:26:16)

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Re: New filament, settings suggestions?

Kronikabuse wrote:

you need to calibrate your extrusion rate for the new spool of filament

I wasn't aware the Da Vinci Pro even had a setting for that. What setting would that be in the XYZware? Or is it something I do on the printer via the menus on the device itself?

6 Reply by JTKD

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Re: New filament, settings suggestions?

I think the new version of XYZWare Pro (ver. 1.1.6.3) has settings for extrusion ratios here:
http://soliforum.com/i/?mpcK5SG.png

I prefer using Cura to generate gcode to feed to XYZWare Pro since there is more control over flow % using the plugins.

7 Reply by reznor9 (edited by reznor9 2016-05-11 21:51:01)

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Re: New filament, settings suggestions?

JTKD wrote:

I think the new version of XYZWare Pro (ver. 1.1.6.3) has settings for extrusion ratios here:
http://soliforum.com/i/?mpcK5SG.png

I prefer using Cura to generate gcode to feed to XYZWare Pro since there is more control over flow % using the plugins.

Not sure if the OSX version is different from the Windows one. But I'll check it out.

Can you use it without modding anything?

8 Reply by reznor9

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Re: New filament, settings suggestions?

Okay, the extrusion settings are only available on the windows XYZ Pro ware. I was able to load it using parallels on my mac though. I then tried going down in 5% increments to see if there was a change in the layers... made it all the way down to the minimum which is 80% and there was no change... Im going to try to raise the temp to the max of 240 and see if anything happens and then go down from there...

My layers stick great, the issue I'm having is that periodically there are stray pieces of ABS that stand on end as if extra filament came out and didn't know where to go... I dunno. The weird thing is as messy as the internal layers get the top layer is pretty damn smooth. Problem is that the messy layers in between have to be monitored because those stray ABS strands tend to latch on to the extruder throughout the many passes that the extruder makes across the print and it gunks up on there... I think have to pause the print to brush it off because it will probably eventually clog if I leave it be.

Hatchbox is sending me a new spool of ABS in case its defective which I think it is.. but Im still trying to see if I can diagnose the issue.

9 Reply by reznor9

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Re: New filament, settings suggestions?

I think I finally found the sweet spot on this filament.
I went down to 80% extruder settings on both shell and infill and then I had to go suprisingly 15 degrees below the lowest recommended extruder temp... Ive been standing by to see if the extruder shows any signs of stressing from the low temp setting but it seems to be all good... print layers seem to be clean now and layer adhesion is still good. Hopefully all stays well.