Turn Your Dremel Tool into a Plastic Welder!

3D Printing & Imaging Metalworking Workshop
Turn Your Dremel Tool into a Plastic Welder!

dremel

Several years ago, Make: contributor Matt Griffin and I were hanging out and he started enthusiastically telling me about a technique for friction welding plastic that he’d just discovered. He had learned about it in a video from the awesome Fran Blanche (she of Frantone guitar pedals fame). I still haven’t tried the technique myself with my Dremel tool, but it couldn’t be easier. You simple chuck some plastic rod into a rotary tool and the friction from the spinning plastic eventually melts it in contact with other plastic parts to form a decent welded bond. Fran’s original video shows you how it works.

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And to see it in a real-world situation, here’s a guy repairing a 3D printed Makey the Robot using the technique.

YouTube player

Matt eventually wrote about friction welding in a great piece he did for Make: magazine on various 3D finishing and post-processing techniques. You can read that article here.

[Thanks to Dave Hrynkiw of Solarbotics for reminding me of this ingenious idea.]

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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. His free weekly-ish maker tips newsletter can be found at garstipsandtools.com.

View more articles by Gareth Branwyn
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