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Grady_TurnerGrady_Turner Founding Pro, Partner, Beta Tester VIsion 1.1 Program, Wrist Camera URCap 1.3.0 Posts: 67 Handy
in Applications
Does anyone have experience picking sheet metal from a stack using vacuum.  In this case there are separator sheets, but the problem is that the pieces like to stick together because all of the air in between has been pressed out.  We have tried several different techniques of lifting off, but every time one or more pieces in the stack are moved out of position.

Any advice would be appreciated.
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  • matthewd92matthewd92 Founding Pro, Tactile Sensor Beta Testers Posts: 1,161 Handy
    edited April 2017
    What's the material @Grady_Turner?

    When we did sheetmetal that was ferrous we used destacking magnets to seperate the sheets. Here is a link to some magnets as well as air knives for separating non-ferrous sheets. 
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  • Grady_TurnerGrady_Turner Founding Pro, Partner, Beta Tester VIsion 1.1 Program, Wrist Camera URCap 1.3.0 Posts: 67 Handy
    Thanks for the info Matt, we were trying to accomplish this with just the robot's movement.  The other trick is that we probably don't have the best style vacuum end effector for the parts (we're doing a quick proof of concept in house).
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  • matthewd92matthewd92 Founding Pro, Tactile Sensor Beta Testers Posts: 1,161 Handy
    The only motion we ever got was to peal the sheet back and twist at the same time but even that wasn't reliable so we went with separation magnets and voilá, issue resolved 
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