Small Windup Tourbillon

thingiverse

Small and compact windup tourbillon design based on the Blancpain Tourbillon Carrousel, measuring less than 100mm at its widest point. To achieve this result, I went through several design iterations and prototypes before arriving at a final product that meets my standards. It lasts approximately three minutes on a single wind-up. [Video](https://www.youtube.com/watch?v=zj2x6IsGiTs) Note: The mainspring must not be printed in PLA. Instead, use PETG or ABS for optimal results. Before printing, ensure the parts are properly oriented to avoid any issues during assembly. Tools and parts required: A well-calibrated printer for accuracy 0.25MM nozzle Needle or diamond files Cutting broaches, 1.5 to 3mm in size (Example: [Cutting Broach Set](https://www.amazon.com/Cutting-broach-set-1-2-3-0mm/dp/B003LS2H7C/ref=sr_1_112?qid=1584415456&sr=8-112&srs=8181165011)) 1x 688(ZZ) bearing (8x16x5) 2x MR63ZZ bearing (6x3x2.5) 5x M3 x 4MM screws (preferably din 98 cheese head screws for optimal fit) 4x M2 screws, max 8MM length 2MM metal rod 3MM metal rod (avoid using piano wire if you only have light hand tools, as it can be challenging to work with) Tool to cut metal rods (Optional) vision magnification (Optional) 1.6M x 4MM screw Assembly: Escapement: Cut two pieces of the 2MM rod to a length of 17.5MM and 10.5MM (+0 -1 tolerance). Press the 17.5MM rod into the escape wheel along with a bearing spacer. Press the 10.5MM rod into the escape pallet along with a bearing spacer. This should result in an interference fit, requiring the use of a cutting broach if necessary. Ensure that the metal rod sticks out by 2-2.5mm on both sides. Frame: Use a cutting broach to enlarge the 2MM holes for the escapement on the mid and bottom frame until a running fit is achieved. Press the 6MM bearings into their respective holes in the tourbillon frame. Press the 16MM bearing into the stud on the bottom of the frame. Fitting a 1.6M screw to the regulator is optional, as a light press fit with the hairspring stud works just as well. Balance Wheel: Cut a piece of 3MM rod to a length of 22MM and press it into the balance wheel along with the balance wheel arbor/staff. It is crucial that the small notches on the wheel and arbor/staff are aligned properly. Fit the hairspring to the small hexagonal part on the balance wheel, ensuring the cutout and notch are lined up for correct orientation (see pictures if necessary). Congratulations! The most challenging part of the assembly process is now complete. I will leave the rest of the assembly instructions to you. If you need further assistance, please contact me on Discord (Willie Fiddler#7397).