ERNST GROB AG is a family owned Swiss enterprise situated in Männedorf and Oetwil am See, in the vicinity of Zurich; steeped in tradition, the company has a totally global business and technology focus.

Since 1962, we have been dedicated to the development and manufacture of machines for the cold forming (rolling) and reducing of splined and smooth components made of solid or hollow stock, also for the slotting of cup or ring shaped sheet metal parts, as well as customised equipment for a diversity of applications in other specialist areas.

Our machine concepts incorporate the GROB cold forming (rolling) process developed by the company founder, Dr. Ernst Grob, a globally unique chipless spline generating technology. Complementing our superb range of machines, we also offer a diversity ofservices related to the cold forming (rolling), reduction and slotting processes (subcontracting, R&D department, after-sales support,...).

Thanks to the extensive and broad-based expertise of our staff and partners, in addition to our decades of in-house experience in these technologies, we are able, in conjunction with you our customer, to generate the ideal and most economical solutions satisfying your specific production requirements within a short space of time!