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Electric Drive: GROB And ZEISS Make Manufacturing Efficient And Flawless

Electric Drive: GROB And ZEISS Make Manufacturing Efficient And Flawless

GROB and ZEISS’ partnership not only resulted in GROB’s leading market position, it was the latter’s comprehensive portfolio of solutions that made it happen. APMEN learns more. 

GROB is a pioneer of electromobility: The manufacturing technology and process expertise of the Bavarian family-owned company are used by over two-thirds of all EV suppliers. GROB earned this market leadership not only through courage and foresight, but also through high quality standards with ZEISS’ commitment towards enhanced standards and productivity.

Electrification is a key economic and ecological success factor – especially in the mobility sector. It is often said that Germany is a lagger on electromobility. However at GROB, a supplier of manufacturing and automation systems, they only smile at such statements. Martin Negele, Head of Quality Assurance says:

“At GROB, we recognised several years ago that the future belongs to e-drives. Despite being a controversial topic then, we took the plunge. This has paid off: today, we have a 67% market share in stator technology alone. If you look at an e-drive train, it is very likely that our production technology is behind it,” Martin Negele explains.

GROB earns this leading role mainly by striving for uncompromising quality, enabled by a close partnership with ZEISS. With its Industrial Quality Solutions division, ZEISS is the only provider to offer a complete portfolio of state-of-the-art quality solutions.

“We combine microscopic, tactile and optical measurement technology to achieve optimum results,” Martin Negele noted.

This means producing a demanding part such as a stator can be fully executed with maximum certainty and productivity.

Stator: Challenges In Manufacturing And Quality Assurance

In addition to many other advantages, the drive technology of EVs impresses with its fundamentally simple design: In an electric motor, a rotating electromagnet, the rotor, turns in the magnetic field of an immovable permanent magnet, the stator. 

However, producing these components, especially the stator is anything but simple in spite of consisting a sheet metal housing, laminated core, and induction coils made of coated copper. Even with such a “simple” component, there are high performance requirements today. For this reason, automotive manufacturers are also increasingly using hairpin technology, i.e. plug-in coils, instead of winding wire coils for their stators.


Read more here at page 39








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