Piezoelectrice ceramic actuator stroke to 28um for Precision gripper

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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)

1. 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

1. 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

1. [μm]±15%：28/20
2. [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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