Modular shelving

Case Study Karl Storz

Scalable multi-level shuttle Navette at Karl Storz: A future-proof investment

SSI SCHAEFER has designed and built a highly automated intralogistics solution for Karl Storz – deploying the pioneering and patented 3D-MATRIX Solution®. This offers exceptional flexibility and efficacy, and enables a warehouse design that is highly versatile: additional lifts, shuttles and other components can be easily retrofitted to scale up capacity and throughput. The storage area and picking stations are in completely separate parts of the building. SSI SCHAEFER had end-to-end responsibility for project planning. Material flows and process control were tested in advance by means of simulation.

This digital model enabled the solution design to be optimised and aligned with the volume of items to be handled. Based on these insights, SSI SCHAEFER installed racking served by Navette shuttles. The configuration was based on the modular nature of the 3D-MATRIX Solution® – meaning new storage positions can be created as required, without disrupting ongoing operations.

The facility in Neuhausen handles more than 22,000 SKUs, ranging from small instruments for minimally invasive surgery, to mid-size items such as lights, to bulky equipment for operating theatres. Every day, 6,000 delivery note items are picked and compiled into some 450 customer consignments, in a total of around 700 packages. SSI SCHAEFER technology has allowed Karl Storz to significantly accelerate its processes, for example halving the time needed to fulfil large orders.


At the heart of the 3D-MATRIX Solution® is Navette, a dynamic storage and retrieval machine. Each Navette shuttle operates in a single aisle, moving on its own dedicated rails at the bottom and top of the racking. An integrated lift serves four storage levels. Moreover, each system is equipped with two load-handling devices (LHDs) arranged at positions that correspond to the distance between two levels of racking. Each LHD can carry two containers. As a result, Navette is able to move four containers to/from four storage positions across two storage levels in a single cycle.


While installing the racking, and the storage and retrieval equipment, SSI SCHAEFER also worked on the SAP ERP system at Karl Storz – extending it to include SAP EWM for warehouse management, and installing interfaces to the WAMAS® intralogistics software. WAMAS® controls and visualizes all material flows within the logistics centre.


En sa qualité de maître d'œuvre, SSI SCHÄFER a réalisé un entrepôt équipé de SSI Navette très dynamique, utilisant la solution 3D-MATRIX Solution®, pour Karl Storz GmbH & Co KG. La flexibilité et l'extensibilité maximales de ce système, 120 000 emplacements de stockage pour conteneurs et l'utilisation de 42 SSI Navette innovantes ont permis d’augmenter l’efficacité de Karl Storz de plus de 20 % par rapport aux concepts de systèmes conventionnels.




La solution adaptée à chaque secteur d'activité.

L'expertise dans chaque secteurs

L'expertise de SSI SCHÄFER : un savoir-faire unique et une longue expérience dans la réalisation de solutions sur mesure. (Version anglais)

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