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18/01/2012
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Festo has announced a new range of high performance, pneumatically-operated grippers.
 The DHxS series includes parallel, three-point, radial and angular models, each offering a choice of sizes and stroke lengths. The grippers are designed for handling and assembly systems and are said to feature optimised gripping retention force and high reliability.
All of the grippers are available with double-acting piston drives, as well as an optional spring-assisted safety mechanism to prevent pneumatic pressure loss.
The modules are protected against overloading during high speed motion via an integrated fixed flow restrictor, which acts as a safety buffer. They are available in six sizes, spanning piston diameters from 6 to 35mm, with individual jaw strokes from 2 to 12.5mm. The largest model is said to have a total gripping force of up to 970N.
Festo claims the modules offer up to 40% more gripping force than current models on the market, enabling machine builders to use a smaller, lighter gripper for the same task, with a proportionate reduction in the size and weight of the axis carrying the gripper.
An innovative T-slot guidance system and cam mechanism have been deployed to accommodate 130% more torque compared to previous models.
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Author
Laura Hopperton
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