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.
| 4 Example Products | UNIT | PA 8/14 | PA 120/14 | PA 8/14 SG | PA 120/14 SG |
|---|---|---|---|---|---|
| Part # | B-201-00 | B-214-00 | B-201-01 | B-214-01 | |
| Motion in Open-Loop (-10/+20%)* | μm | 10 | 140 | – | – |
| Motion in Closed-Loop (±0.2%)* | μm | – | – | 8 | 112 |
| Capacitance (±20%)** | μF | 0.8 | 12.6 | 0.8 | 12.6 |
| Stiffness | N/μm | 85 | 6 | 85 | 6 |
| Resolution in Open-Loop*** | nm | 0.02 | 0.29 | – | – |
| Resolution in Closed-Loop*** | nm | – | – | 0.1 | 2.8 |
| Dimensions – Length | mm | 28 | 145 | 28 | 145 |
| Diameter | mm | 14 | 14 | 14 | 14 |
| 4 Example Products | UNIT | PA 35/T14 | PA 120/T14 | PA 35/T14 SG | PA 120/T14 SG |
|---|---|---|---|---|---|
| Part # | P-354-00 | P-360-00 | P-354-01 | P-360-01 | |
| Motion in Open-Loop (-10/+20%)* | μm | 42 | 125 | – | – |
| Motion in Closed-Loop (±0.2%)* | μm | – | – | 34 | 100 |
| Capacitance (±20%)** | μF | 3.6 | 10.8 | 3.6 | 10.8 |
| Stiffness | N/μm | 20 | 7 | 20 | 7 |
| Resolution in Open-Loop*** | nm | 0.08 | 0.25 | – | – |
| Resolution in Closed-Loop*** | nm | – | – | 0.7 | 1.0 |
| Dimensions – Length | mm | 53 | 125 | 53 | 125 |
| Diameter | mm | 14 | 14 | 14 | 14 |
| 4 Example Products | UNIT | PAHL 18/20 | PAHL 200/20 | PAHL 18/20 SG | PAHL 200/20 SG |
|---|---|---|---|---|---|
| Part # | P-171-00 | P-180-00 | P-171-01 | P-180-01 | |
| Motion in Open-Loop (-10/+20%)* | μm | 21 | 200 | – | – |
| Motion in Closed-Loop (±0.2%)* | μm | – | – | 17 | 160 |
| Capacitance (±20%)** | μF | 7 | 70 | 7 | 70 |
| Stiffness | N/μm | 165 | 17 | 165 | 17 |
| Resolution in Open-Loop*** | nm | 0.04 | 0.4 | – | – |
| Resolution in Closed-Loop*** | nm | – | – | 0.4 | 4.0 |
| Dimensions – Length | mm | 36 | 198 | 40 | 198 |
| Diameter | mm | 20 | 20 | 20 | 20 |
