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xxx 2011-07-26

Case Study: Rexroth VarioFlow conveyors offer modular advantages for Oak State products from wrapping, to cartoning, to case packing

VarioFlow Conveyors Offer Total Package of Modular Advantages for Oak State Products in Case Packing, Cartoning

Easy-to-assemble modular approach adds both packaging capacity and flexibility for contract packager, to help them stay agile and competitive in constantly changing consumer markets.

When food product consumers’ tastes change, food product manufacturers’ processes need to change with them, to stay ahead in a competitive marketplace. Oak State Products ( is a Wenona, Illinois-based contract packager and manufacturer of baked goods.

As the 21st century began, Oak State was challenged to stay ahead of food product marketers’ demand for changes and adjustments to packaging styles in response to shifting consumer demands. When Oak State’s customers switched from one style to another -- i.e. a shift from 2- or 3-pack cartons to open-pack trays -- It was difficult to add or convert production lines because the space for product conveying was quite limited. Production line changeovers were also challenging because of space limitations.

Working with an experienced Bosch Rexroth integrator NCC Automated Systems (, Oak State turned to Rexroth VarioFlow single-strand flexible chain conveyors to help solve these challenges. Oak State had previously installed VarioFlow conveyors at its facility devoted to cartoning and packing, and was pleased with the results.

The VarioFlow modular conveyor concept lends itself to rapid system design, quick installation, and quick start-up. VarioFlow blends a modular design with numerous product options to create a reliable, reconfigurable system. With high chain tensile strength (up to 1250 N) and low chain friction, VarioFlow promised reduced energy use, lower maintenance and longer service life.

NCC integrators blended modular VarioFlow 90 and S 160 conveyors artfully to create a full-featured system for efficient transport of food products in wrapped sleeves, plastic trays and cartons – all within existing space limits. To ensure a well-coordinated system in a relatively small space, designers included both inclining and declining conveyors, alpine conveyors and overhead transport, thus ensuring that packing and other machines would work efficiently alongside or underneath the conveyors.

Download the complete application story from the Bosch Rexroth Case Studies & Technical Papers web page.


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Kevin Gingerich
South Lakes Drive 14001
28273  Charlotte, NC
Phone: (704) 714-8594