×Read this message from Erik, founder of YouMagine

Auger powder dispenser for Colorpod

This model provides an alternative powder dispenser for use with Aad van der Geest's Colorpod. Attaches to 2020 aluminium extrusion.

3D printer parts and enhancements

    Creative Commons Attribution Share Alike

    Commercial use is allowed, you must attribute the creator, you may remix this work and the remixed work should be made available under this license.

    Learn more or download attribution tags

    Description

    This design is an alternative powder dispenser for Aad van der Geest's colorpod (https://www.youmagine.com/designs/colorpod-full-color-printer-module).

    Materials and methods

    The main part of this model prints in two parts, which need to be glued together. I printed them in ABS and used Acetone to weld them together.

    The auger was printed in flexible filament to allow it to conform to the sides of the tube very well. This might not be necessary; a rigid auger might work as well.

    I found out that the auger turned out too small due to the geometry (its cross-section is a star, and the points turn out smaller due to backlash and other issues). The file auger_too_big is a larger version of the auger, that is theoretically to big to fit but in practice fits well (better than the proper-sized version).

    Compatible with a standard servo motor, though you need to cut down the servo horn to make it fit. I used screws from old sunglasses to attach the auger to the motor. I furthermore modified the servo motor, and built a small vibration motor into it to encourage the powder to flow (though this is not necessary).

    The top of the auger is designed to be an interference fit with the top of an orange juice bottle (from the Plus supermarket) that I had lying around. If you happen to have the same bottle you're in luck, otherwise you need to come up with something else.

    Documents

    Issues

    Issues are used to track todos, bugs or requests. To get started, you could create an issue.

    Comments

    705a435c55df651d7893c783bf8409e2?default=blank&size=40Tom van der Zanden published this design ago