Home Practice & Makers 3D Printed Mechanical Filament Respooler

3D Printed Mechanical Filament Respooler

Bryan Vines has presented an interesting 3D printing model for a respooler for 3D printing filament for the YouTube channel BV3D.

Most people will never encounter this problem, but perhaps you have already lost a thought or two on the subject: Isn’t there an easier way to spring a filament cord several hundred meters long onto a spool? For a long time, the answer was unfortunately no, so you had to do it by hand and spend a good 30 to 60 minutes to do it. But now Miklos Kiszely has come up with an interesting model to simplify this.

The basic construction consists of everything you can already imagine. A spool holder, a guide for the filament cord and a gearbox made of herringbone gears make up the setup, but what sounds simple is actually much more complex. After all, the gearbox didn’t just have to move the spool until it completely wound the filament, it also had to wind it evenly in a horizontal plane, which doesn’t just get very difficult as the height increases.

To accomplish this, Kiszely considered incorporating an ingenious mechanism consisting of a sector gear with racks on both sides. Alternately, the racks engage the gearbox and move the guide tube in such a way that it is possible to wind it up evenly.

Of course, such machines already exist in one form or another, but the simple and elegant solution that Miklos Kiszely has found here is evidence not only of a creative mind, but also of true engineering skill.

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