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Originally Posted by KenWittlief
Actually people have been killed by robots!
I think the first was an assembly line worker at a car factory in Japan.
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Working in the injection moulding industry and dealing with robots and other automation systems I know of several real incidents.
Safety systems and guarding are put in place for a reason although there's been a few people who have found ways around them. Sometimes these incidents can be blamed also on a lack of training or knowledge of those using the equipment. It can also be people playing "MacGyver" and jury rigging broken equipment to keep it in service.
The worst incident I know off was at a major, well known food packaging place (I will NOT disclose the name of the company but I'll bet that you all have used thier products at one time or another). It also didn't involve any of our own equipment, rather an older model competitors robot and a molding machine. A worker at the plant had to adjust the tooling on the robot so they stopped it with the mold open and the arm of the robot in the mold. Nothing out of the ordinary yet, since to pick parts from a mold you need to adjust the tooling to the part in the mold. This person didn't deactivate the robot and molding machine from automatic to manual though. They climbed into the mold and adjusted the tooling. They then manually moved the arm of the robot out of the mold. Now robots have switches that give feedback to the molding machine to tell it that it's clear of the mold and it's OK to close. The arm moved to the point that it was clear and the switch was made and gave a "mold close" signal and guess what, they never had enough time to get out of the mold. This person probably only had a second or two to realize what happened before the end came. I won't go into details, use your imagination, but after the investigation was over with it took several days to clean the mess up including the ceiling 15 - 20' above the machine. The reason I won't name the company is because once that mold was clinically cleaned it was put back in service and still is today making products for the food service industry.
So yeah, robots can kill or give the signal to kill but you've got to be smarter than them and know what you're doing around them.