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Article | July 15, 2014
Will Google glasses play a role in packaging?
Keith Campbell, a Packaging World Contributing Editor and On the Edge blogger, took in the sights and sounds of Dusseldorf this past May to bring us a series of reports on new developments in the packaging controls and automation space being shown at interpack 2014. In case you missed his written, blogged, or podcast contributions, here are a few highlights.
• Google glasses made their first interpack appearance. No claims were being made about readiness for implementation, but process supplier AZO and technology supplier Beckhoff were able to demonstrate the concept of how these glasses could be used for production monitoring and as an HMI to actually interact with the manufacturing process. One application talked about was using the Google glasses to download maintenance information in a hands-free way to a technician. A step in that direction is the use of QR codes that can be scanned with a technician's smart phone or tablet, resulting in a download of technical details.
• Theoretical mathematics is being applied to vibration problems at Dividella, a German maker of packaging machinery frequently found in the pharmaceutical industry but elsewhere, as well. Vibration problems surface most vexingly at high speeds, and Dividella is all about high-speed machinery. Even after you optimize the controller and the mechanical construction of the machine, it still leaves room for improvement where vibration is concerned. So Dividella has been working with a mathematical engineer to arrive at a model of its machinery's mechanics. With the knowledge gained through modeling, the hope is that commands can be sent to the controller notifying it that vibration will begin even before the machine has reached the high speeds that cause the vibration. This should make it possible for the controller software to adjust certain machine parameters so as to minimize the negative impact of the vibration.
• The number of robots at interpack has continued to grow. So has the use of purpose-built integrated robots, where instead of interfacing a robot from, say, Fanuc or ABB or Motoman, a machine builder designs and builds the mechanical mechanisms himself and implements kinematics software supplied by a controls vendor. The robot is no longer something that has to be supplied by a third party. Says Campbell: "My observation at this interpack was that there were about the same number of purpose-built robotic arms on display as there were integrated robotic arms. By next interpack, I would expect the integrated model to be the predominant one. While on the topic of robotics, I was surprised that I didn't find any collaborative robotics on the floor, with the exception of a university project on display in the VDMA booth. Collaborative robots are designed to work alongside people and may be deployed without guards or protective barriers around them."
• An emerging technology that can have a huge impact on reducing packaging machine footprint is the recycling linear servo motor with independently controlled movers. These were on display at Rockwell Automation and at Beckhoff. In one case the claim was that 10 feet had been removed from a flow wrapper infeed by taking advantage of the continuously variable pitch of the virtual lug chain that these systems can have. Another example was a side-load cartoner, where the reduction in size of the machine was obvious. Campbell emphasizes that these linear motors are not simply an evolution of motors used for material handling or tertiary packaging. These are a disruptive technology for primary and secondary packaging.
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