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Challenge
The company strives to be at the cutting edge in its field, and consistently works on developing and combining craftsmanship with an industrial approach. They have customers with high demands for both quality and delivery accuracy. In order to automate the edge folding process for both large and small series, a robotic system is required that is sufficiently flexible and easy to maintain.
Solution
Göteneds, in collaboration with Yaskawa Nordic, has developed a robot system that can handle the operations necessary for edge folding. With its clever placement on a track, the robot can load the machine, both from the front and from the rear. The edge folding machine is fully fitted with all the tools that LW needs for its current production, along with special tools that make it well equipped to handle future opportunities. For example, a rotary prism with segmented tool in combination with the same division of tools on the under beam and bending beam, make it possible to bend all possible profiles. LW has opted to make flexibility a requirement for its production, and robotics will therefore not be an obstacle. Thanks to Yaskawa's simple programming, you only need one week of training to get production started. To minimise downtime, an SMS alarm is also an integral part of the equipment. However, operational reliability is so high that the alarm has not been triggered at any time during the first four months of operation.
Results
During the day, LW runs its cell with a robot operator who also programs the robot for new sheet metal components. The operator then concludes his shift by setting the appropriate programs and ensuring that the correct sheet metal material is in place. The robot cell then runs unmanned for the rest of the night. For instance, running 400 sheets through the machine could previously take two people up to a week, whereas the MOTOMAN robot can do it in 39 consecutive hours (just over one and a half days).
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