Mitsubishi Electric highlights robot zonal safety
The Drives & Controls exhibition ran with a robot theme for 2016, which suited Mitsubishi Electric down to the ground as the company’s range of extremely dextrous robots was out in force at the show.
Demonstrating various high-speed pick and place applications within confined spaces, MELFA robots from Mitsubishi Electric showed how repeat tasks could easily be taken care of by compact, reliable robots. The robot feature that drew the most attention at the show however was the ability of an articulated arm robot to slow its work rate as a person came closer to it.
Demonstrating this feature in the ‘Robot Zone’ was a 15kg MELFA robot, around which proximity zones were shown using coloured carpet. Visitors could safely approach the robot, which had no physical guarding in front of it and the robot would switch to a creep speed as they entered the ‘amber zone’ and would stop entirely should the person enter the designated ‘red zone.’ If the person then withdrew, the robot would resume, initially at creep speed as the person moved out of the red zone and then at full speed as the person moved away from the amber zone.
In a working environment this type of smart interaction saves time and can improve safety. Many operations require the operator to interact with the process, for example loading or removing components and this system speeds up that process as there is no need to spend time opening and shutting traditional guarding systems.
Fully integrated automation and robotic solutions can offer significant quality and productivity benefits. The displays at the Drives & Controls show were designed to demonstrate both this and the capabilities of individual automation components such as PLCs, servo systems, HMIs and inverter drives with robots and the extra benefits that accrue when they are integrated into larger systems.
Chris Evans, Marketing and Operations Group Manager at Mitsubishi Electric – Automation Systems Division UK commented, “It was a very successful show for us measured purely on the positive interest we received and the number of leads it generated. The desire to invest in automation is certainly there in UK manufacturing industry.”
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