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necessarily have long-term contracts with their customers on the parts they are supplying, so they like to take into consideration what happens in two, three, or four years and if the contract goes away. What do these shops want to do? They want to run something different through the machine. It’s a lot easier to repurpose a robot, and it’s a lot less expensive than it is to redesign some sort of hard automation,” said Berman. For Matrix, the robot is just a tool, no different than a gripper or a solenoid valve. It’s just a tool they purchase, but one that allows them to bring flexibility to a cell and make it cheaper for the customer in the long run to change parts if he has to.


Process Considerations The grinding process involves a lot


of unusual considerations you wouldn’t ordinarily think of. “On today’s cylin- drical grinding there is a lot of post- process gaging, where the customer wants to measure the part after it leaves a cell and send that data back to the machine,” Berman said. “We’re starting to see a lot more intelligent systems come through today—not just loading and unloading the machine, but also measuring the parts and controlling the process. There’s much more nuance involved in automat- ing the grinding process than there is in turning or milling,” said Berman. “Basically, what grinding comes down to is this: You take all the mistakes that are put into the parts on the green-side


Want More Information?


Matrix Design Inc. Ph: 847-602-9609


Web site: www.getmatrixed.com


United Grinding Technologies Inc. Ph: 937-847-1229


Web site: www.grinding.com 2014-502_005_LVT_008_PHS1500_USA_GB_außerhalbMP-2.indd 1


Liebherr Automation Systems Co. 1465 Woodland Drive Saline, Michigan 48176-1259 Phone.: +1 734 429 72 25 E-mail: info.lgt@liebherr.com www.liebherr.com


The Group


processes like milling and turning, as well as anything that can happen to the part in heat-treat, and you’ve got to fix all that in the grinding machine so that you can ship a good part,” said Berman. ME


The basis for production


effi ciency. Made in Germany. Pallet Handling and Storage-System PHS – The fl exible automation for machining centers


Machining fixtured parts in a single setup? Batches and volumes vary? Need flexibility to mix parts or introduce new parts? Need an automation solution for a variety of machine tools of different make, new or used?


Our PHS can improve your machine utilization and enable lights-out operation


 Complete flexibility in hardware and software  Three platforms, payloads 500 - 6500 kg  Front access for manual operation  Retrofit? No problem!


June 2013 | ManufacturingEngineeringMedia.com 65


08.05.13 18:57


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