Piezoelectrice ceramic actuator stroke to 28um for Precision gripper
Low voltage piezo stacks have excellent performance, suitable for scientific experiments and industrial applications. Piezo stacks include both square and ring shape structures, with multiple sizes and displacements to meet the needs of different applications. Special insulation material ensures maximum output of dynamic performance under severe conditions.
piezoelectric actuator、Precision gripper、multilayer piezo creamic
Type：PSt150/5*5/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：PSt150/5*5/20
- [μm]±15%：28/20
- [μF]±20%：1.5
Stiffness [N/μm]±20%：60
Resonant frequency [kHz]±20%：50
Blocking Force [N]：1600
Mass [g]±5%：4.1
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