Events Tagged: "cutting"

3 events with tag "cutting"

1897 ID: 5603
Hermann Pfauter patents gear hobbing machine in Germany - revolutionizes precision gear manufacturing
ID: 5603
Berlin
1919 ID: 5609
DIN standardizes metric threads - German thread cutting becomes global standard replacing various national systems
ID: 5609
Berlin
1937 ID: 5606
German researchers establish optimal tool geometry relationships - rake angles, clearance angles for different materials
ID: 5606
Berlin