Gear Ø3.1, 12 teeth, module 0.21. Was it more difficult to build it or certify it?

In this video our Klingelnberg P26 4-axes CNC evolventimeter is certifying a gear with Ø3.1, 12 teeth, module 0.2. Was it more difficult to build it or certify it? The question is obviously provocative, as there is no clear cut answer. Building such a small part involves placing it on the hobbing machine, devising a […]