Piezoelectric ring stack actuators 150V Z motion sub-nano resolution
Piezoelectric ring stack,Piezo actuator Z motion,nano resolution
Type:HPSt150/14-10/x
Material Properties
Material: PZT(PZT5H)
- εref: 5400
Loss factor: 200*10-4
Coupling factor: KP=0.62, K31=0.34, K33=0.68
Piezo coefficient: d31=-290pm/V, d33=+635pm/V
- S33E=18.1*10-12m²/N, S11E=14.8*10-12m²/N
Frequency constant: Radial=2040m/sec, Thickness=1800m/sec,
Transverse=1410m/sec,
Longitudinal=1370m/sec
Quality factor(resonance): 70
Density: 8g/cm³
Curie temperature: 150°C
Specific heat: 380Ws/°K kg
Thermal conductivity: ca.1.5 Ws/m·K(axial direction)
Above-mentioned parameters can vary significantly with the
operating electrical field strength.
Temperature
Operating temperature: -50~+100°C(according to resin). If >100°C, PZT performance will be reduced reversibly Above Curie temperature, piezo actuators will be permanently depolarized.
Technical data
Eg:HPSt150/14-10/25
- [μm]±15%:30/25
- [μF]±20%:5.2
Stiffness [N/μm]±20%:120
Resonant frequency [kHz]±20%:22
Blocking Force [N]:4500
Applications
Fiber stretching
Active vibration control
Precision positioning
Piezo gripper
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