Friction Welding Rivets
by mifga, published
More on this technique as I begin to share projects I created that make use of blind rivets.
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cool! thanks for the name of the toy, I had no luck finding one, but i was searching for rivet not weld!!!
Yep, this works fine as well for welding seams and creating small posts. If you check out the collets I have my hand in the photos you'll see the 3-ring Dremel collet (3/16th) that grabs 1.75mm filament really well, and the 1/8 collet that works for 3mm filament or the handy rivets I created. Did Nick show you this? I"ve bene sharing this technique with a few folks in town.
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Also, printing these from the base of the rivet up to the mandrel tends to produce rivets that break too easily on the layer, so while it is tempting to bring a whole army of them on their bases, I recommend flat instead, but perhaps nine or twelve of these at a time.
Included in this project are two test parts -- a "base" and a "pancake" layer. You can line up the hole through the pancake with the depression in the base to teach yourself the gentle touch required to touch the spinning rivet to the base such that the "melt zone" is shared equally by both base of blind rivet and surface of base. At that point, stop the rotary tool, holding the rivet in place until it cools. It can help to use something to press against the rotary head so that it spins down more quickly. The release the mandrel from the rotary tool and you have a nice blind rivet!
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