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03-03-2008

GR04.111A gripper

Reliable Gripping in a Confined Space

GR04.111A gripper

Its compact design makes the GR04.111A gripper from Fipa GmbH, Ismaning, Germany, ideal for use in robotic end-of-arm tooling in plastics processing, and especially in confined spaces. The holding force of 95N at the jaw tip ensures reliable gripping. The jaws close on a superparallel basis, ensuring that sprues are gripped more accurately than with clamping jaws that close in parallel. The coarse teeth on the jaws similarly optimize gripping reliability.

The sensor interrogation guarantees a high level of process reliability. This is implemented in engineering terms without moving parts and delivers reliable signals to the robot control unit. A miniature magnet in one of the two gripper jaws creates a permanent magnetic field in the area around it. The second gripper jaw is fitted with a magnetic field sensor which switches once a specific field strength is attained and supplies a signal.

When the gripper jaws close and a part is gripped, the jaws remain slightly open. The distance between the magnet in one jaw and the sensor in the other is thus too great for the switching point to be reached. If no part is gripped, however, the jaws will close fully. The magnet and sensor are so close to each other that the magnetic field on the sensor exceeds the switching point. The robot control system receives a signal to the effect that the object has been missed.

The new gripper forms part of the overall system – in line with the philosophy of a modular system. The requisite accessories and additional components can be put together by the user, as a function of their specific needs.

Company profile

FIPA GmbH

Freisinger Str. 30
DE 85737 Ismaning
Tel.: 089 962489-0
Fax: 089 962489-11

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