ME June 2013

Grinding Technology

Studer easyLoad enables loading palletized cylindrical parts into the Studer cylindrical grinder. Cylindrical parts tend to be lighter, shaft-like parts, requiring smaller robots and smaller cells.

expensive than cylindrical cells. The parts tend to be heavier and oddly shaped and the volumes much lower than cylindri-

cal cells. Cylindrical parts tend to be lighter, shaft-like parts and require smaller robots and smaller cells,” said Berman. “However, lately we’ve seen some advances on the profile grinding side. We’ve started to look at creep-feed jobs where they’re running a cycle time of less than a minute. Any time you get under that one-minute processing range, operator load and unload time becomes a big factor because it’s a lot faster to load and unload a machine robotically. Loading manually, you’re usually in the 65–75% efficiency range. You have to take into consideration breaks and lunches and just the inefficiencies of getting the door open and the parts in and out. When you do it robotically, you can figure around 85% efficiency on the low-end, and we’ve seen jobs where you can actually get up to 95% efficiency. So you get a lot more parts in and out of your machine robotically as opposed to manual loading,” Berman said. Berman said he prefers robotic automation to hard automation, like gantry loaders. “Smaller shops don’t

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HUG THE CURVES WITH ESPRIT 2013 64 ManufacturingEngineeringMedia.com | June 2013

Putting you on the right path

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