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Intelligent gripper for small components with a variety of interfaces

By Niraj M Wanikar, Chief Editor, CNCTimes.com, 2021-01-05 13:22:00

The smart small components gripper SCHUNK EGI is now available not only with PROFINET interface, but also with EtherNet/IP and EtherCAT. In the new size 40, the capabilities of the highly communicative gripper can now also be utilized in compact systems. Size 80, in turn, has an impressive active gripping force maintenance.

SCHUNK expands its interface program for the SCHUNK gripper for small components EGI with EtherNet/IP and EtherCAT. In addition, the gripper is now also available in the small and light size 40.
The smart parallel gripper SCHUNK EGI is designed for challenging and diverse handling tasks in electronics, pharmaceutical and laboratory applications. With its individually programmable stroke up to 57.5 mm per jaw and equally flexible gripping forces from 25 N up to 100 N, the robustly designed and sturdy mechatronic gripper in size 80 can handle an enormous workpiece range. The compact and light size 40 achieves an impressive maximum stroke of 40 mm and a gripping force of 25 N to 70 N. These are ideal preconditions for flexible applications with a wide range of parts in confined spaces and small handling solutions. Due to its integrated intelligence with the SCHUNK EGI, even components that are flexible or sensitive to deformation or fracture can be handled gently and reliably.
The gripper for small components SCHUNK EGI enables a range of smart, high-performance handling processes for use in areas such as electronic, pharmaceutical, and laboratory applications.

High flexibility and performance

In addition to the already existing PROFINET interface (Conformance Class C), SCHUNK offers both sizes with EtherNet/IP or EtherCAT interface, so that the gripper can be used for high-performance applications in a wide variety of control environments. The position of the gripper fingers, gripping force, and closing speed can be detected and controlled with virtually no delay. Intermediate positions and special referencing for the gripper are also possible. A standard integrated web server can be used to configure all the basic functions via PROFINET or EtherNet/IP, and no additional software is needed. An active gripping force maintenance, especially developed for size 80 ensures that the built-up gripping force is almost completely maintained, even in the event of a power failure or emergency stop – a clear advantage as compared to conventional mechatronic grippers on the market. In contrast to a conventional maintenance of gripping force maintenance via springs, the break retardation of the gripper fingers in the locked state is minimal. This means that the SCHUNK EGI 80 plays an important role in preventing accidents caused by flying parts or jamming.

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