Cleaning nozzles?  

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charles.h13
(@charles-h13)
Famed Member

@karl-herbert

Please do.  

Posted : 27/07/2020 5:52 pm
Karl Herbert
(@karl-herbert)
Famed Member

@charles-h13

Nylon/PEEK nozzlebrush Step data - The hole diameters must be adjusted according to the diameter of the Nylon/PEEK string: nozzlebrush

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen....
Posted : 27/07/2020 7:09 pm
louis.j
(@louis-j)
Trusted Member

I use a toothbrush. You can get them in various stiffness and different quality bristles.

The better brushes will not deform or melt with the heated hot end.

They are cheap and readily available, your drawer may have several old ones, if not use your wives brush - it makes 3D printing more exciting.

...
Posted : 29/07/2020 1:13 am
buckeyestargazer
(@buckeyestargazer)
Trusted Member
Posted by: @louis-j

I use a toothbrush. You can get them in various stiffness and different quality bristles.

The better brushes will not deform or melt with the heated hot end.

They are cheap and readily available, your drawer may have several old ones, if not use your wives brush - it makes 3D printing more exciting.

I thought about tooth brushes but then discovered that most are made with nylon-6 which melts at like 220C.  

Posted : 29/07/2020 2:11 am
jsw
 jsw
(@jsw)
Prominent Member

I use an el-cheapo brass wire brush.  I know it's not steel based because it indeed feels kinda soft.  I'm now in the habit, when I begin a print, of checking for worms and 'boogers' and such clinging on the nozzle and brushing them off if needed.

Posted : 29/07/2020 2:27 am
buckeyestargazer
(@buckeyestargazer)
Trusted Member
Posted by: @karl-herbert

@charles-h13

Nylon/PEEK nozzlebrush Step data - The hole diameters must be adjusted according to the diameter of the Nylon/PEEK string: nozzlebrush

Thanks for this.  Could you link me to specific nylon string that you use?  I'm just not sure what to get but I want something that won't melt.  Also, what thickness string is appropriate for the "nozzlebrush_0.80" head?

Posted : 08/08/2020 1:01 am
Karl Herbert
(@karl-herbert)
Famed Member

@buckeyestargazer

PA6 + PA6.6 Monofilament like this one (different diameters available): https://www.carbonscout-shop.de/Monofilament-PA-6-cord-O-08-mm-length-100-m.html . There are certainly manufacturers in your region.

I would recommend nylon, because PEEK is extremely expensive.

This post was modified 2 months ago by Karl Herbert
Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen....
Posted : 08/08/2020 3:11 pm
buckeyestargazer
(@buckeyestargazer)
Trusted Member
Posted by: @karl-herbert

@buckeyestargazer

PA6 + PA6.6 Monofilament like this one (different diameters available): https://www.carbonscout-shop.de/Monofilament-PA-6-cord-O-08-mm-length-100-m.html . There are certainly manufacturers in your region.

I would recommend nylon, because PEEK is extremely expensive.

Got the PA6 mono nylon, but how do you print such tiny holes?!?!

Posted : 10/08/2020 8:05 pm
Karl Herbert
(@karl-herbert)
Famed Member

@buckeyestargazer

With a 0.25 nozzle and a well calibrated printer If necessary you can rework the holes with a drill.

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen....
Posted : 10/08/2020 8:52 pm
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