Cold Forming / Coining

Cold forming and coining are precision metal‑forming processes performed at room temperature or slightly elevated temperatures to enhance ductility. In cold forming, metal blanks or wire segments are plastically deformed in progressive dies using high mechanical forces, creating near‑net‑shape components with excellent surface finish and work‑hardened strength. Coining is a localized high‑pressure forming step used to imprint fine details, calibrate dimensions, and improve edge definition. Common materials processed include low‑ and medium‑carbon steels, stainless steels, aluminum, brass, and copper alloys, selected for formability and work‑hardening characteristics. Tooling consists of Cemented Carbide or advanced Cold Work Tool Steels and HSS dies, punches, knockouts, and guiding elements designed for extremely high pressures and tight tolerances. Lubrication is critical to reduce friction and extend tool life. Applications include fasteners, precision gears, splines, bushings, connectors, and small structural components in automotive, electronics, and industrial equipment. Cold forming offers excellent repeatability, low material waste, and high production speeds.