Thursday, September 04, 2008

 

Thermal Managment

Just finished putting some of the extruder assembly together for the PlyRap. Being mindful of the issues other builders have reported when printing higher temperature plastics I wanted to do something useful to mitigate this.



The pictures show a short length of Aluminum Tube split with a hacksaw and placed around the PTFE Barrel mount. This should give the PTFE some degree of heat sinking and help it run a little cooler.

I would rather have used a finned heat sink but lacking a lathe I had to settle for a straight tube.

As is usual I used a hose clip as well. both to make a good contact and to hold it all together just in case the heat sink doesn't quite work as planned.

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