.

Piezoelectric stack actuator PZT blocking force to 25000N

Piezoelectric stack actuator,blocking force to 25000N,PZT ceramic

Type:PSt150/25*25/15

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

  1. [μm]±15%:19/15
  2. [μF]±20%:30.5

Stiffness [N/μm]±20%:1282

Resonant frequency [kHz]±20%:50

Blocking Force [N]:20000

Mass [g]±5%:109.55

Applications

Fiber stretching

Active vibration control

Piezo dispensing valve

Precision positioning

Piezo deformable mirror

Piezo gripper

Laser cavity tuning



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