The challenge is creating an arrangement where the teeth of the escape wheel and pallets of the anchor slide easily and alternate consistently. After several iterations, it was clear that the anchor needed to tilt 8° to each side (16° in total).
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Initially, I wasn’t sure how to proceed, but eventually realized that the two end-positions and the center position of the anchor are the key for a successful escapement design. In Fusion 360, I sketched out the new geometry for the escape wheel and anchor. So, I moved it into the center, co-axial with the balance wheel. Since reducing the number of teeth on the escape wheel would result in various other disadvantages, my only option was a redesign of the Tourbillon with the escape wheel much larger compared to the other components. These factors mean that the carriage would need to be scaled to a diameter of at least 150mm This was a bit too large as I wanted to implement the rest of a watch movement around the Tourbillon.
In addition, the teeth need a specific shape to function correctly. For a reliable 3D print, the structures should be at minimum 0.8mm thick (two shell layers with 0.4mm nozzle). For this to be 3D printable, the wheel and pinion need to be scaled to be quite a bit larger.Ĭonsider the teeth of the escape wheel. I then started to think about how it could be adapted for a mechanical and 3D Printable designĪ regular Tourbillon has its escape wheel and pinion towards the outside of the carriage.
I instead learned about the function of a mechanical watch by studying various online articles. Yes, I know I’m Swiss, and some people believe that Swiss children have that knowledge from birth. I don’t actually have a background in watchmaking. For people interested in general information about how a Tourbillon works, I’d recommend this article from Wikipedia.
In this blog, I’ll be writing about how I designed the core parts of the Tourbillon. The big advantage of Fusion 360 is the design history – making it possible to iterate back and forth until a design is perfected. While I designed my first, simpler clock in Blender, I decided to use Fusion 360 for the more complex Tourbillon. I’ve found this to be a great and affordable tool for designing 3D-printable mechanical components. How I Designed the Main Components of the Tourbillonįirst off, a big thank-you to Autodesk for producing Fusion 360. He believes that 3D Printing will enable a new level of customization for watches not just with engravings and decoration, but also in the mechanics themselves.
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Our Designer of the Month, Christoph Laimer, started out as a Software Developer and now spends much of his time pushing the limits of 3D Printing, designing printable watches and other mechanical designs.
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