Gisbert A. Joseph Watches – Official Website
Another instance is the processing of gears. After quenching, tempering, and stringing light, the tooth form is polished. The surface roughness of the tooth floor reaches Ro0.05-0. micron (clean finish 711). The tooth profile should meet the requirements when inspected with a 100x projector. Grind the journal and end face of the gear shaft with …