Gripping without contact06. September 2010 | EU PVSEC 2010, Products |
Zimmermann and Schilp has introduced a non-contact gripper that is based on ultrasonic sound for module glass substrates. In order to create a safe transport system, the system maintains the balance between the attracting and repelling forces.
The Sonic GlassGripper generates an ultrasonic sound via a transducer. The system does not require high-pressure air ad thereby lowers the power consumption. The Sonic GlassGripper has a gas or air filled interface between the substrate and sound source.
The cyclic compression and decompression of the molecules of air or gas result in a rise of pressure in the gap and the substrate is thereby elevated.
The level of ultrasonic power controls the elevation range, which is between 0.05 and 0.5 millimeters. For gripping from below, a vacuum system is needed as an attraction force against the ultrasonic vibrations repelling force.
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