M O T I O N | P O S I T I O N I N G
PZ298EK 1.0.0 07/2019. 1.0
Excessively steep edges in the control signal or
excessively fast discharging can trigger a strong
mechanical impulse and damage the piezo
actuator.
X
Avoid steep edges in the control signal.
X
Discharge the piezo actuator before
short-circuiting.
X
If the connecting cable is accidentally
pulled out during operation, switch off the
electronics before you reconnect.
Uncontrolled oscillation can damage the piezo
actuator or your application.
X
If oscillation occurs, switch off the servo
mode or stop the piezo actuator immedi-
ately.
X
Check the servo control settings respecti-
vely the settings for the operating parame-
ters (see the user manual).
Attention must be paid to appropriate clean-
liness when handling vacuum-compatible piezo
actuators.
X
Touch the piezo actuator only when wea-
ring powder-free gloves.
X
If necessary, wipe the piezo actuator clean.
Thermal Dangers
The surface of the piezo actuator can heat up
during operation. Touching the piezo actuator
can result in minor injuries from burning. The
piezo actuator could be destroyed by overhe-
ating.
X
If possible, cool the piezo actuator or install
touch protection.
X
Adjust the operating time, operating
frequency, and operating voltage so that
the maximum operating temperature is not
exceeded.
X
Vacuum-compatible piezo actuators: Pay
attention to reduced heat dissipation in a
vacuum.
General Notes on Installation
Depending on the model (see manual), the
piezo actuator and the load are fixed with glue
or a screw connection.
The connection to protective earth is ensured
by mounting the piezo actuator onto an electri-
cally conductive surface connected to a suitable
protective earth conductor.
Incorrect Mounting
1
2
3
1
Do not connect the both ends of the piezo
actuator rigidly.
2
Avoid angles and uneven loads.
3
Avoid lateral forces, torques and tilting
torques as well as impermissibly high pull
forces.
Correct Mounting
4
3
2
1
1
Align the center of load to the motion axis.
2
Use ball tips or flexure guides (flexure
joints) for lateral forces and torques.
3
Compensate any minor unevenness by
gluing the entire surface.
4
Non-preloaded actuators: If necessary,
preload suitably to avoid pull forces.
Installation
