Roller Material Testing

The Atlas simulator cockpit sphere is oriented through the use of mecanum wheels. The rollers in these wheels are composed of polyurethane, a material with poorly characterized response to loading. CUSP member Zack Copeland is performing original research on the material’s behavior. In the image below, the deformation of a prototype roller is being tested.
Roller Contact Patch Test Setup
The following image shows the imprint left on the surface of the sphere when the roller is loaded with 1500 pounds of force.
1500lb 85A Contact Patch Test

Posted by . Last modified on February 23, 2014.

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