010-12 Lohr, 2012-02-14

Customer-specific solutions for tire and rubber technology

Rexroth offers a comprehensive range of products and application expertise for use in tire and rubber technology

- Safety Brake- and Holding System SBS

- Hägglunds direct drive systems, including the Hägglunds CB 280 motor

Thanks to its worldwide application expertise and comprehensive research and development activities, Rexroth supports the tire and rubber industry with industry-tailored system solutions. Safety solutions, especially in reference to tire handling, become more and more important in this industry. Based on this background, Rexroth developed the safe braking and holding system SBS for tire handling for reliable drop protection for vertical axes. The compact Hägglunds CB motor range is part of the reliable Hägglunds drive systems that long have been used in the rubber industry. Thanks to its heavy-duty design the motors can even take sector specific shock loads and stop instantly when required. Thus they are suitable for many heavy-duty applications.

Safe braking and holding system SBS

With the safe braking and holding system provided in the frame of its IndraDrive drive series, Rexroth is the first drive manufacturer to offer an integrated system solution for drop protection for vertical axes. The system ensures that vertical axes come to a redundant stop even after energy has been switched off. In this way the solution assures a safe handling of tires.

The safe braking and holding system by the company Rexroth makes use of three independent channels: the drive control system in Rexroth IndraDrive, as well as two mechanical brakes. These two external brakes are only used when the power to the motor is switched off. They are controlled and monitored separately from the diversity channels in the drive. The concept can accommodate any electrically releasing brake type, including products by other manufacturers.

In case of failure an escalation strategy makes sure that the “safety related braked standstill“ is achieved with minimum strain on the mechanical system. In the first stage, the drive attempts to bring the vertical axes to standstill by means of a reset of the command value. Failing this, the two mechanical brakes will be activated consecutively or - in critical situations - simultaneously. The safe braking and holding system of Rexroth IndraDrive is certified in accordance with EN ISO 13849-1, category 3 PL d and EN 62061 SIL 2.

Hägglunds motor CB 280 motor for heavy-duty applications

Hägglunds reliable direct drive system comprises drive unit, motor and control system and have long been used for mixing room technology. Today the company has an increased scope and can supply solutions through-out the tire production line.

The Hägglunds CB motor range from Bosch Rexroth is suitable for many heavy-duty applications such as shredders or roll mills for the rubber industry. With their space saving design and the versatile mounting possibilities they give customers a high degree of freedom designing their own configuration. The wide range of sizes and displacements enables optimisation of the drive system when selecting the motor and the hydraulic pump combinations. The heavy duty design of the radial piston motors can even take shock loads and stop instantly when required.

Bosch Rexroth AG is one of the world’s leading specialists in the field of drive and control technologies. Under the Rexroth brand name, the company supplies more than 500,000 customers with tailored solutions for driving, controlling, and moving. Bosch Rexroth is a partner for Mobile Applications, Machinery Applications and Engineering, Factory Automation and Renewable Energies. The company provides customized solutions tailored to the needs and specifications of each individual market. As The Drive & Control Company, Bosch Rexroth develops, produces, and sells components and systems in over 80 countries. As part of the Bosch Group, Bosch Rexroth and its 34,900 associates generated approximately 5.1 billion euros in revenue in 2010.

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The Bosch Group is a leading global supplier of technology and services. According to preliminary figures, more than 300,000 associates generated sales of 51.4 billion euros in the areas of automotive and industrial technology, consumer goods, and building technology in fiscal 2011. The Bosch Group comprises Robert Bosch GmbH and its more than 350 subsidiaries and regional companies in some 60 countries. If its sales and service partners are included, then Bosch is represented in roughly 150 countries. This worldwide development, manufacturing, and sales network is the foundation for further growth. Bosch spent more than 4 billion euros for research and development in 2011, and applied for over 4,100 patents worldwide. With all its products and services, Bosch enhances the quality of life by providing solutions which are both innovative and beneficial.

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Susanne Herzlieb
Maria-Theresien-Straße 23
97816 Lohr am Main
Phone: +49 9352 18-1573