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New Centric Grippers with Multitooth Guidance Gripper from SCHUNK
Central to the three-finger gripper is a bore designed as a sleeve, which can be used to supply material or as an ejector.
By Robotics Trends Staff - Filed Dec 15, 2010

The PZB-plus is a newly designed series of three-finger centric grippers with a central bore designed as a sleeve.

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SCHUNK, a worldwide manufacturer of toolholding components, workholding systems, and automation components, has introduced the PZB-plus, a newly designed series of three-finger centric grippers with a central bore designed as a sleeve. The bore can be used to supply material or as an ejector. It can also be used to pick up workpieces and center them using the sleeve during the gripping process, or monitor the handling or assembly process with a camera system.

The bore is equipped with female threads for customer-specific add-ons, and threads are also integrated on the upper face of the gripper and the cover plate.

PZB-plus is available in two stroke length versions, with the smaller stroke providing approximately double gripping force. Like the premium series PGN-plus and PZN-plus, the six sizes of the PZB-plus—from 64 to 200—are fitted with a multitooth guide. According to SCHUNK, compared with the older PZB classic series, PZB-plus can handle 100 percent higher torques in directions at right angles to the gripping motion, making it possible to use smaller grippers and work more economically.

An optional gripping force safety device is available for PZB-plus grippers, which are spring loaded for ID or OD gripping. The position is monitored via a magnetic switch or an inductive proximity switch, and according to the company, the hose-free direct connection makes assembly and installation significantly easier.

For more information, visit www.schunk.com.


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