HAPA-Driven Flextensional Piezoelectric Actuator (HD-FTA)
Large stroke and high working load
Key Features
- Large stroke (up to 700 µm) and high working load (up to 80 kg-f )
- Smaller length compared with commercial FTA of comparable performance
- Free-free mode resonance frequencies of 1000-2300 Hz
HAPA-Driven Flextensional Piezoelectric Acutator
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Product Description
Vertical displacement ΔH responses of HD-FTA-700, HD-FTA-450, HD-FTA-350 and HD-FTA-250 under different loads
Below show the operating range of the various displacement HAPA-Driven Flextensional actuators currently available at MMT.
| Feature | HD-FTA-700 | HD-FTA-450 | HD-FTA-350 | HD-FTA-250 |
|---|---|---|---|---|
| Dimensions (L x D x H; mm)(*) | 78x20x41(H) | 78x20x41.5(H) | 78x20x42(H) | 78x20x43(H) |
| Voltage Range (V) | 0-150 | 0-150 | 0-150 | 0-150 |
| Stroke, ΔH (µm) @ 150V | 700 | 450 | 350 | 250 |
| Max. Working Load (kg-f) | 10 | 22.5 | 41 | 80 |
| Approx. Stiffness (N/µm) | 0.15 | 0.37 | 0.70 | 3.20 |
| Reson. Freq. (free-free; Hz) | 1000 | 1460 | 1675 | 2300 |
| Reson. Freq. (free-blocked; Hz) | 200 | 285 | 350 | 475 |
| Op. Temperature Range (°C) | -20 to +80 | -20 to +80 | -20 to +80 | -20 to +80 |
| Capacitance (µF) | 16.7 | 16.9 | 16.8 | 16.2 |
| Mass (g) | 167 | 173 | 179 | 189 |
| Std. mechanical interface | 2 flat mounting surfaces of 8mmx20mm & each with two M4 threaded holes | |||
| Std. electrical interface | 80 mm long wires of 0.8 mm in outer dia. (lead wire dia. = 0.5 mm). | |||