After a long break from working on the watch, I now have the Hauser 333 up and running for cutting pinions. The last step in Continue reading Success cutting a pinion
Category Archives: Going Train
Third wheel
The third wheel is the smallest in the going train of my watch, with 90 teeth. The process for making this was:
1. Cut a wheel blank out of 0.2mm titanium sheet.
2. Attach the blank to a brass wax chuck with superglue and turn down to the wheel full diameter on the Schaublin 70 lathe.
3. Set up the Aciera F1 so that the end of the electronic indexing spindle was facing the horizontal spindle so that the 5 circles could be cut Continue reading Third wheel
Making parts
It’s a small step forward but it feels like I’m making some progress – I’ve made a punch and die set to cut wheel blanks.
The idea of cutting lots of circles from thin titanium by hand didn’t appeal, so I made a punch and die from tool steel. The steel turned surprisingly easily with a satisfyingly good fit between punch and die. The parts were then hardened by heating with a small blow torch and quenching in cooking oil. The punch Continue reading Making parts