Gripper suits internal and external assembly applications.

Press Release Summary:




Designed to fit O-rings not only to shafts, but also in holes, 6-finger Model ORG 85 features integral stroke and triple jaw sets that move independently from one another. O-ring is first released from first 3 fingers, and then released from last 3 fingers in controlled manner. Clamping width of diameter to be fitted ranges from 5-150 mm. Stroke of 2 sets of triple jaws range from 0-21 mm for triple jaw A and from 0-15 mm for triple jaw B.



Original Press Release:



New O-ring Gripper ORG 85 for Internal and External Assembly Applications



SCHUNK Inc. introduces a new gripper to its extensive line of end-effectors, the O-Ring Gripper ORG 85. This new 6-finger gripper is the world's first gripper that fits O-rings not only to shafts, but also in holes.

Two triple jaw sets that move independently from one another and an integral stroke enable an assembly procedure without precedent, which redefines the concept of "operational reliability". The O-ring no longer snaps from the fingers into the groove in an uncontrolled manner, but instead is first released from the first three fingers, and only afterwards released from the last three fingers. The advantage: the O-ring has no choice but to slip into the groove.

Achieving a reliable process is a frequent problem with conventional multi-finger grippers that are normally used for fitting O-rings. On the one hand, they can only manage external fitting (e.g. onto the shaft), on the other hand, once fitted, the O-rings are not always correctly placed in the groove.

The clamping width of the diameter to be fitted is truly impressive, and ranges from fingernail-sized O-rings with a diameter of 5 mm to 30 times larger O-rings with a diameter of 150 mm. The only required set-up operation is the change of gripper fingers. The stroke of the two sets of triple jaws range from 0 - 21 mm for triple jaw A and from 0 - 15 mm for triple jaw B.

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