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Safety Precautions and Technical Details
DAA007EN - 11.05.2021
INSTRUCTIONS FOR SAFETY-CONSCIOUS WORK
4.1. 2 Clamping pressure and clamping force
The required clamping force must be determined based on applicable directives and
regulations. The actuation forces of the clamping system and the centrifugal forces
acting on the clamping device must be taken into consideration in determining the
clamping force required.
The required clamping force is set via the pressure/spring preload on the clamping
cylinder. However, the set clamping pressure does not give a direct indication of
the actual clamping force. Therefore, the clamping force must be measured when
the workpiece is set up. The measurement must be performed as specified by the
manufacturer of the clamping device.
The clamping force decreases due to wear and contamination of the clamping
device. The clamping force must therefore be checked at regular intervals. If the
clamping force is found to be reduced, the clamping device must be lubricated and
serviced according to the manufacturer’s specifications.
Anomalous operating conditions can occur depending on the workpiece (e.g., for
highly unbalanced parts or special jaws). This may change the permitted rotational
speed, chuck actuating forces and other characteristics required for safely clamping
the workpiece.
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