January 8, 2015 AT 4:00 am

3D Design Tips – More Demonstrations for Friction Welding (with a Dremel Rotary Tool) #3DThursday #3DPrinting

I have been happy that folks have been rediscovering my MAKE article “Skill Builder — Finishing and Post-Processing Your 3D Printed Objects“, if anything to share the 3D filament friction welding techniques that I introduced, inspired by a project from the Ask Fran engineering vlog. Well, here’s another excellent post and video from Scorch Works also inspired from that Fran video — I really enjoyed it!

And one note for those who would like to explore this stuff. If you can get one, a faster rotary tools such as a Foredam can offer even more approaches to friction welding, and a wider range of materials (including acrylic rods).

Friction Welding (with a Dremel Rotary Tool), from Scorch Works:

…A couple of years ago Fran posted a really interesting video demonstrating friction welding. Fran used a cheap harbor freight rotary tool and some plastic (styrene) rod from a craft store.  Her demonstration showed how strong friction welded joints are. Friction welding has been bouncing around the back of my brain ever since. Lately I have found a couple of applications for the friction welding technique. Having recently purchased a fused filament 3D printer (PrintrBot Simple Metal) I have some failed PLA 3D prints laying around. I also happen to have some ABS scraps and some 3mm injection molded ABS rods from another project. Experimenting with these materials I have found that friction welding works well for both ABS and PLA. As part of my experimentation I repaired a failed Maker Faire Makey figure. The following video captures the process. (I have since printed a successful Makey Robot on my Printrbot simple Metal)….

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