38
DDOC00247 / d
EN / 2020-07-20
Zimmer GmbH
●
Im Salmenkopf 5
●
77866 Rheinau, Germany
●
+49 7844 9138 0
●
+49 7844 9138 80
●
www.zimmer-group.com
INSTALLATION AND OPERATING INSTRUCTIONS:
Gripper, pneumatically intelligent, GPP/GPD5000-IL series
11. Elimination of errors
Inherently safe engineering:
The safety function is implemented using movable parts that are connected to each other via a form fit.
No indirect triggering of the safety function caused by coupler elements (sensors, etc.).
Proven technology:
Methods in accordance with ISO 139491, Annex C, C.2 "Methods of good engineering practice."
Ö
MTTFd value = 150 years
Ö
Failure of spring
4
"on the safe side"
-
No safety function failure
-
Fatigue strength confirmed by the manufacturer
Ö
Failure of spring
4
-
Fatigue strength confirmed by the manufacturer
Ö
Connecting rod broken: Gripper jaw is no longer drawn inwards = force buildup no longer possible
Wear resistance:
Ö
Verification in above-mentioned endurance test that any potential wear does not impede the safety function.
Ö
Use of wear-resistant materials for the safety-relevant components.
Ö
Material of the gripper finger: 16MnCr5
