ES-6 vibration test equipment.pdf
2700Hz 6000kgf Electrodynamic Vibration Table Test Equipment With MIL-STD ISTA Standards
Working Principle of Vibration Shaker
The working principle of the electromagnetic vibration shaker is similar to a loudspeaker whereby electrical conductor is moved by the action of electromagnetic force in the magnetic field. The force to accelerate the moving part is generated by the balance between driving current and magnetic flux. Therefore, by controlling the driving current, one can control the vibration generator.
The maximum acceleration level of the electromagnetic vibration exciter is determined by the maximum current and the loading. At low frequency, displacement of moving part is restricted such that the acceleration will not reach high level. The resonance frequency of the moving element is set higher than the upper limit of the frequency range.
The performance of vibration generator can be reflected by the chart that displays the maximum acceleration under different frequencies. By using a log-log plot, the restriction of displacement can be expressed by a straight line with slope of 6 dB/octave.
Technical Parameters:
| Model |
Rated Sine Force (N) |
Rated Random Force (N) |
Frequency Range (Hz) |
Rated Acceleration (m/s2) | Rated Speed(m/s) |
Rated displacement (p-p)mm |
Max. Loading (Kg) | moving coil(Kg) |
Dimension of Moving coil(mm) |
| ES-3 | 3000 | 3000 | 3-3500 | 1000 | 1.6 | 25 | 100 | 3.5 | Φ150 |
| ES-3a | 3000 | 3000 | 3-3500 | 400 | 1.6 | 40 | 120 | 9 | Φ230 |
| ES-6 | 6000 | 6000 | 3-3500 | 1000 | 1.6 | 25 | 180 | 6.5 | Φ230 |
| ES-6a | 6000 | 6000 | 3-3500 | 1000 | 1.6 | 51 | 250 | 12 | Φ230 |
| ES-10 | 10000 | 10000 | 3-3000 | 1000 | 1.8 | 51 | 270 | 14 | Φ240 |
| ES-20 | 20000 | 20000 | 3-3000 | 1000 | 1.8 | 51 | 300 | 30 | Φ320 |
| ES-30 | 30000 | 30000 | 3-2800 | 1000 | 1.8 | 5l | 450 | 40 | Φ450 |
| ES-40 | 40000 | 40000 | 3-2800 | 1000 | 1.8 | 51 | 500 | 50 | Φ450 |
| ES-50 | 50000 | 50000 | 3-2700 | 1000 | 1.8 | 51 | 750 | 50 | Φ450 |
Features:
1. Rugged suspension system and linear motion guiding, strong carrying capacity, good guiding functions, high stability.
2. Load center airbag with high static stiffness and low dynamic stiffness, strong carrying capacity, perfect performance on amplitude variation.
3. High efficiency D class power switching, 3-sigma peak current, low power consumption and minimum harmonic distortion.
4. Quick self-diagnosis with safety interlock, high safety reliability.
5. Airbag shock isolation device for vibration platform without the need of additional. foundation, perfect reproduction of vibrational wave and reduction in vibration transmittance.
6. Horizontal and vertical expansion platforms for different applications.
7. Simple controller operation.
technical parameters of horizontal expander:
| Model | Bench Size (mm) | Frequency Range (Hz) | Weight of Moving Parts (kg) |
| LT0303 | 300×300×22 300×300×26 300×300×30 |
5-1000 5-1500 5-2000 |
6.6 7.8 9.0 |
| LT0404 | 400×400×22 400×400×26 400×400×30 |
5-l000 5-1400 5-2000 |
11.2 13.2 16.0 |
| LT0505 | 500×500×25 500×500×30 500×500×35 |
5-1000 5-1500 5-2000 |
19.3 23.1 27.0 |
| LT0606 | 600×600×25 600×600×30 600×600×40 |
5-1000 5-1200 5-2000 |
27.5 33.0 45 |
Pictures for reference:
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