Safety

Andrea Gillhuber,

Safety solutions for robots

With the Melfa Safe Plus II safety option from Mitsubishi Electric, the speed of a robot can be controlled. This allows cycle times to be increased and the working distance between humans and robots to be reduced. It is also available for the new Melfa FR robot series.

Graphical representation of the safety level. © Mitsubishi Electric Europe

With the safety option, the speed of the robot can be controlled independently of each other in the individual working planes (x, y and z). Equipped with the appropriate monitoring sensors, the robot can move at a safe speed in the approach direction while moving at an undiminished speed in the other planes. This allows man and machine to work together dynamically and more efficiently. If a laser scanner and corresponding area definitions are added to the overall system, the speed of an approaching person can be calculated and the duration of the safely reduced speed can be reduced. The safety levels are based on the standard devices and can therefore also be retrofitted to existing robots. A collaborative robot (MELCoR) with standardized components from the Melfa family is currently still at the test stage.

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