Articles By Walter Graf


Cubitron II: Precision-Shaped Grain (PSG) Turns the Concept of Gear Grinding Upside Down

New abrasive grains developed by 3M are redefining the process of gear grinding.

Grinding Alternatives

A series of Fine-ground and Polish-ground gears are currently being tested by various gear manufacturing companies and transmission developers around the world.

Polish Grinding of Gears for Higher Transmission Efficiency

A new gear polish grinding process is presented to show that improved surface finishes increase the overall efficiency of transmissions, and the resulting higher bearing ratios reduce micropitting. A cost-efficient manufacturing method adapted for large-scale...

TOOLING & WORKHOLDING: The Perfect Symbiosis

Modern thinking has shown that machine tools and tooling can’t be seen as separate entities.