Vertical and Horizontal Vibration Shaker Table with RTCA DO-160F and IEC/EN/AS
What's the difference between RANDOM & SINE test?
Sinusoidal vibration tests are not as helpful as random testing, because a sine test focuses upon a single frequency at any one time. A random vibration test, on the other hand, excites all the frequencies in a defined spectrum at any given time. Consider Tustin’s description of random vibration – “I’ve heard people describe a continuous spectrum, say 10-2000Hz, as 1990 sine waves 1Hz apart. No, that is close but not quite correct. Sine waves have constant amplitude and phase, cycle after cycle. Suppose that there were 1990 of them. Would the totality be random? No. For the totality to be random, the amplitude and starting phase of each slice would have to vary randomly, unpredictably. Unpredictable variations are what we mean by random. Broad-spectrum random vibration contains not sinusoids but rather a continuum of vibrations.”
Test system composition
1. One-piece horizontal vibration generator
2. Vertical expansion table
3. Cooling fan with muffler
4. Digital switching power amplifier
5. Multi-function vibration control measuring instrument.
Specification
| Name | Automobile Battery EN50604 IEC62133 UN38.3 Vibration Test Bench for Lab testing |
| 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-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 |
| ES-60 | 60000 | 60000 | 3-2700 | 1000 | 1.8 | 51 | 750 | 60 | Φ450 |
| ES-100 | 100000 | 100000 | 3-2500 | 1000 | 1.8 | 51 | 1000 | 90 | Φ450 |
1. Well-designed dynamic circle skeleton, with a higher stage axial resonance frequency.
2. Two-magnetic circuit, magnetic flux leakage low, compact structure and rational.
3. Rocker Rod roller bearings straight and import-oriented composite body stiffness orientation, eccentric load capacity.
4. Trunnion isolation foundation dedicated to hormone use, the installation of mobile convenience.
5. Advanced technology move around the system to ensure that the dynamic circle of high reliability.
6. New duct design and enhance the cooling effect.
7. Static stiffness, dynamic stiffness of the bearing small balloon, raising the vibration table bearing capacity, improve low-frequency performance.
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Vertical and Horizontal Vibration Shaker Table with RTCA DO-160F and IEC / EN / AS Images
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