Motion Control & Drives


Drive system for hygienic ­applications

November 2017 Motion Control & Drives

SEW-Eurodrive’s Movigear drive systems are particularly suited for the food and beverage industry, with its dual demands of high hygiene levels and energy saving, combined with the need to limit downtime. SEW-Eurodrive South Africa recently supplied a total of 65 units to a major abattoir, representing one of the largest projects of its kind supplied to date.

The units were assembled locally at the Cape Town manufacturing facility, which meant fast and reliable delivery, in addition to quick service back-up and repairs if required. Partial delivery allows the project to flow smoothly without the completed units having to be stored for too long.

“The main requirement was that we adhere to the strict delivery timetable on the project, while the main technical challenge was to select the correct unit that could be integrated with the customer’s current choice of PLC,” elaborates SEW-Eurodrive sales engineer, Sean Tibbott. “This is of particular importance as the drives incorporate different communications topologies, which allows for effortless integration with existing PLC programs.”

“The main contributing factor in SEW-Eurodrive South Africa securing this project was that we had a product that suited the customer’s specific requirements,” adds regional sales manager, Clive O’Reilly. “Customer benefits of the Movigear units are ease of installation, combined with ease of communication between the various units.”

The drives reduce installation and start-up efforts and costs, as well as minimising energy and operational costs. In addition, the design complies with all of the necessary requirements in terms of hygiene-sensitive areas in the food and beverage industry.

The units are highly integrated, comprising three different sections, namely an electronic inverter, which is connected to the servo motor and, in turn, to the gearbox. “It is essentially a mechatronic drive system,” highlights Tibbott. “The integration allows for minimal electrical and mechanical losses through direct contact or connection between the drive components. This low-noise drive system makes for reduced noise levels, meaning it is ideal for areas where workers are present.”

The drives are available in three different torque variants, namely 200 Nm, 400 Nm, and an extended torque version (representing a 16% increase over the largest torque output). Standard features include IP65 and IP69K rating, which makes them ideal for the demanding requirements of the food and beverage industry. Another key differentiator is that more than 20 different ratios are available, allowing for maximum flexibility in selecting application speeds.

For more information contact Jana Klut, SEW-Eurodrive, +27 (0)11 248 7000, jklut@sew.co.za, www.sew.co.za


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