filament check valve / return brake for MMU application
thingiverse
Please visit my website at https://www.printschnitzel.at/. As of 9/2/2019, I have updated the site to version 2.0. This device is a one-way valve for filament that can be used in MMU applications. To assemble it, use a ball with a diameter of 4mm - you'll find one inside every 608 bearing. Although initially intended as a concept, this design actually works quite well. The screw holding the ball in place could be replaced by a closed channel for the ball and inserting the ball during printing. This modification would make it completely airtight. Use a higher infill density than I do to ensure that the ball is properly supported. Check out my video at https://youtu.be/xhIuAQ11Dec to see this device in action. If you have a better name for this invention, please leave a comment - I'd really appreciate it.
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