Step drills are widely used for hole drilling on thin plates under 3mm.High-end HSS step drills are fully ground with CBN wheels, which impose higher requiremen···

During tool grinding, we sometimes encounter loud grinding noise with low grinding load, especially when a newly mounted wheel starts cutting the workpiece.In m···

For flute grinding of HSS taps, there are single‑thread flute grinding and multi‑thread flute grinding processes.We have compiled dressing parameters and flut···