1 Topic by mozzieblue

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Topic: Wanhao ABS Filament Any Help?

I re-flashed my 1.0a to repertier so I could use third party filaments and have lots of other stuff. It was fairly easy and I had no problems doing it (I am quite experienced with tech but a newbie to 3d printing).

When I print with da vinci filament at a bed temp of 90 and an extruder temp of 212 every thing comes out great. I even printed this https://www.thingiverse.com/make:157917 and it came out perfectly and fully working(I have spent some time dialing the printer in)

However when I tried some Wanhao gray and gold ABS filament things turn to poo. The edges curl up and the top layer is just goop. I have tried every temperature range from a bed of 90 to 120 and an extruder temperature of 200 to 240 (which baked in the there and I spent an hour drilling it get the bloody stuff out.) and just about every combination of the two. It isn't an issues of the filament not sticking to the bed. The first few layers stick fine to the glue but after 4 or 5 layers it stars curling up at the sides. The bottom layers don't curl up just the layers above layer 4 or 5.

I have been testing this with a 20x20x20 cube. When I print something bigger it is a little better but not much.

Is it just bad filament or is the da vinci stuff just really good and easy to use? Any help would be appreciated, thanks.

2 Reply by evanalmighty

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Re: Wanhao ABS Filament Any Help?

Are you sure the wanhao stuff is abs?

3 Reply by mozzieblue

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Re: Wanhao ABS Filament Any Help?

Yep. After about 4 go at it I tested some in acetone to see if it was abs or if there had been a mix up. It is abs.

4 Reply by mozzieblue

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Re: Wanhao ABS Filament Any Help?

After some more tinkering, leveling the bed and such I have worked out it is the corners towards the back of the printer that are curling up. I think that might be a cooling issue. No matter how I rotate the object it is always the corners towards the back that have the problem. I have lowered the print speed and removed the handle covers and that helped a lot. I have found 95/215 works the best. It is still no where near as good a the da vinci filament tho

The first pic is of the back corners the second one is of the front.

Any ideas?

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5 Reply by mozzieblue

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Re: Wanhao ABS Filament Any Help?

It isn't a problem with getting it stuck to the bed. That is fine. I just use a glue stick and it work great. The problem is they curl at the top, not the bottem.


OK, I printed 3 20x20x10mm cubes spread across the bed from left to right in the middle. I removed the handle covers. They were printed at 95/215 degrees at a 50mm/s speed. No curling at all. They all printed fine.

So it IS a cooling issue. It seems the filament was not having time to go hard before the printer head came around again.

Are there any setting I can change in the slicer so I don't have to print more than one smaller object? Or maybe lowering a temperature?

I am a bit stuck.

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6 Reply by josh.aeauto (edited by josh.aeauto 2015-09-11 14:20:16)

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Re: Wanhao ABS Filament Any Help?

Which slicer are you using?

In slic3r, you can enable cooling on the filament tab so that it slows down if the layer will take less than xx seconds:
http://i.imgur.com/9AgYUNZ.jpg

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7 Reply by mozzieblue

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Re: Wanhao ABS Filament Any Help?

josh.aeauto wrote:

Which slicer are you using?

In slic3r, you can enable cooling on the filament tab so that it slows down if the layer will take less than xx seconds:

Thanks. I had that setting way too low at 10 seconds. I set it at 30 seconds per layer and the test print came out a treat.