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Proto Pasta Stainless Steel and a titanium nozzle


skinny-kid
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Posted · Proto Pasta Stainless Steel and a titanium nozzle

Okay I will admit it, I love the exotic filaments and have wanted to print this for a while.

First time I tried it I was using a ptfe that had been used a bit and a .4 mm brass nozzle. The filament never made it out of the nozzle and I dealt with a clog that killed the ptfe and the brass nozzle.

Time passed and the filament stayed on the shelf......

I was fortunate enough to get shipped a .4 mm titanium nozzle from a member here to test run. I installed the nozzle and a new ptfe (other worn from carbon fiber prints recently) and ran 1/2 a spool of Colorfabb shining silver pla through it with no issues. Did an atomic pull and all came out clean and ready to go.

I was intending to run several rolls of Proto Pasta's anneable carbon fiber filament through the nozzle (that stuff is wicked by the way!) but as the mail seems a bit slow lately and it won't arrive til tomorrow, and I have the patience of a sparrow.......the stainless steel has made its way into the machine.

Always run the robot first.

Print Settings:

220 degrees

.2 mm layer

45 mm/s

Shell thickness .8 mm

SS1.thumb.jpg.a9221410fda85812a455d13f01f8ade5.jpg

Second print is underway. Nozzle showing no signs of wear and this stuff feels abrasive when you hold it.

More to follow.

SS1.thumb.jpg.a9221410fda85812a455d13f01f8ade5.jpg

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    Posted · Proto Pasta Stainless Steel and a titanium nozzle

    12 hours......

    that's how long the ptfe coupler lasted before it had a deformed ridge and caused severe under extrusion. I started having the issue around 12 hours of printing so I removed filament and did a few Atomic pulls. Reloaded filament and it never made it out of nozzle as motor tried to move it through. Pulled print head apart and found small ridge had formed that impeded filament!

    Replaced ptfe and now waiting for carbon fiber that's supposed to arrive today.

    Nozzle looks fine!

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