Sustainability

Energy-efficient painting robots

  • June 04, 2012
  • Sustainability
  • Press releases

press release

Bosch Rexroth AG continues its successful development partnership for energy-efficient painting and sealing robots with Dürr Systems GmbH. The new robots consume up to 30 percent less energy compared to the old generation.

Automobile manufacturers around the world are introducing energy-efficient production processes to reduce CO2 emissions. Dürr Systems, the worldwide leader in painting systems, supports this objective by developing a new, energy-efficient control and drive technology for painting robots. Thus the energy demand decreases by approximately 30 percent. Together with Bosch Rexroth, Dürr Systems has designed the entire drive and control solution in an application-oriented way. In this context, the company used Rexroth’s universal “Rexroth for Energy Efficiency” system (Rexroth 4E), which is designed to unlock the full potential for energy efficiency in all phases of the machine life cycle.

This is owed not only to more compact electric servo controllers for servo drives and the use of new Rexroth pneumatic controllers for painting processes, but also to the company switching to the Ethernet-based automation bus sercos. The use of compact servo controllers reduces power loss and – together with the switch to the automation bus sercos – decreases the volume of control cabinets. Airconditioning devices are no longer needed thanks to the low cooling requirements, and the temperature is controlled by means of an energy-efficient fan drive. “In extensive mechatronic simulations, we have attuned components of electric drive technology and pneumatics that are optimized in terms of efficiency precisely to this application,” says Dr. Steffen Haack, Senior Vice President Sales, Industry Sector Factory Automation of Bosch Rexroth AG. The previously determined increase in energy efficiency has been confirmed by practical experiences from several paint factories.

NACH-053 - June 04, 2012

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