piezoelectric actuator、Precision gripper、multilayer piezo creamic
Type：PSt150/5*5/x
Material Properties
Material: PZT(PZT5H)
Rel. dielectric constant 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
Elast.compliance: 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：PSt150/5*5/20
Max./Stroke[μm]±15%：28/20
El. capacitance [μF]±20%：1.5
Stiffness [N/μm]±20%：60
Resonant frequency [kHz]±20%：50
Blocking Force [N]：1600
Mass [g]±5%：4.1
