Series PA, PA/T and PAHL

  • Excellent dynamic properties due to high resonant frequencies
  • Integrated mechanical pre-load
  • Tensile forces up to 350 N
  • Motion up to 140 µm (large ranges are available)
  • High stiffness of up to 200 N/µm
  • Vacuum and low temperature versions available
  • Flat, round and threaded heads available

Series PA, PA/T and PAHL

  • Excellent dynamic properties due to high resonant frequencies
  • Integrated mechanical pre-load
  • Tensile forces up to 350 N
  • Motion up to 140 µm (large ranges are available)
  • High stiffness of up to 200 N/µm
  • Vacuum and low temperature versions available
  • Flat, round and threaded heads available

Series PA, PA/T and PAHL

  • Excellent dynamic properties due to high resonant frequencies
  • Integrated mechanical preload
  • Tensile forces up to 150 N
  • Motion up to 140 µm (large ranges are available)
  • High stiffness of up to 190 N/µm
  • Vacuum and low temperature versions available
  • Flat, round and threaded heads available
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Description

The PA, PA/T and PAHL series piezo actuators are all stack type actuators manufactured incorporating multilayer technology. They are internally pre-loaded with a mechanical spring, making them ideal for dynamic applications. The ability to generate a large force, and be subjected to high mass loading makes them particularly useful for machine tools and dynamic scanning systems. These actuators have a uniform diameter of either 14 or 20 mm depending on series. Strain gauge (SG) is used for closed loop systems.

Piezo actuators should only be fastened with screws or clamps on the bottom plate of the actuator. During the installation and use, it is important not to subject the actuator tip to non-axial forces.

The actuator head is available in three versions: round head piece is standard, flat head option, and M3 thread on demand.

PA Series – Technical Data

(See Datasheet PDFs below this chart for the complete list of product variations)

4 Example ProductsUNITPA 8/14PA 120/14PA 8/14 SGPA 120/14 SG
Part #B-201-00B-214-00B-201-01B-214-01
Motion in Open Loop (-10/+20%)*μm10140
Motion in Closed Loop (±0.2%)*μm8112
Capacitance (±20%)**μF0.812.60.812.6
StiffnessN/μm856856
Resolution in Open Loop***nm0.020.29
Resolution in Closed Loop***nm0.12.8
Dimensions – Lengthmm2814528145
Diametermm14141414
*Typical value measured with NV 40/3 (closed loop NV 40/3 CLE). **Typical value for a small electrical field strength. ***Typical values, measured at -20 V … +130 V.

PA/T Series – Technical Data

(See Datasheet PDFs below this chart for the complete list of product variations)

4 Example ProductsUNITPA 35/T14PA 120/T14PA 35/T14 SGPA 120/T14 SG
Part #P-354-00P-360-00P-354-01P-360-01
Motion in Open Loop (-10/+20%)*μm42125
Motion in Closed Loop (±0.2%)*μm34100
Capacitance (±20%)**μF3.610.83.610.8
StiffnessN/μm207207
Resolution in Open Loop***nm0.080.25
Resolution in Closed Loop***nm0.71.0
Dimensions – Lengthmm5312553125
Diametermm14141414
*Typical value measured with NV 40/3 (closed loop NV 40/3 CLE). **Typical value for a small electrical field strength. ***Typical values, measured at -20 V … +130 V.

PAHL Series – Technical Data

(See Datasheet PDFs below this chart for the complete list of product variations)

4 Example ProductsUNITPAHL 18/20PAHL 200/20PAHL 18/20 SGPAHL 200/20 SG
Part #P-171-00P-180-00P-171-01P-180-01
Motion in Open Loop (-10/+20%)*μm21200
Motion in Closed Loop (±0.2%)*μm17160
Capacitance (±20%)**μF770770
StiffnessN/μm1651716517
Resolution in Open Loop***nm0.040.4
Resolution in Closed Loop***nm0.44.0
Dimensions – Lengthmm3619840198
Diametermm20202020
*Typical value measured with NV 40/3 (closed loop NV 40/3 CLE). **Typical value for a small electrical field strength. ***Typical values, measured at -20 V … +130 V.

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