VCB-1000
Cantilever beam is a fundamental element applied to bridges, buildings, airplane wings, disc driver levers, and so on. Understand the natural frequencies and mode shapes that appear when external forces are applied to the cantilever beam, and compare the theoretical calculations with the actually measured natural frequencies. This experiment will teach you the ability to design structures more robustly and safely.
Detailed Description
- Studying vibration behaviors at natural frequencies
- Visual observation of the mode shape at the natural frequency
- Comparison of calculated natural frequencies and measured
- Observation of nodal line at natural frequency
- Studying of vibration problem solution
- Applying of various supporting methods for cantilever beam
- Study of dynamic behavior of cantilever beam
- Observation of changes in natural frequencies due to beam thickness
- Comparing the calculated natural frequency to the measured value
- Measurement of change of natural frequency according to material (aluminum, steel)
- Natural frequency and mode shape measurements
- Observe mode shapes at each natural frequency
- Observe the vibration sensitivity of the structure
- Learn the solution from the vibration in structural resonances.
- Natural frequency measurement using random excitation
- Natural frequency measurement using sinusoidal sweep
- Measure phase of input and output signals
- FRF measurement using frequency analyzer
- Understanding of Natural frequency, mode shape and FRF
| Electromagnetic Shaker WSK-40 | |
| Rated force | Sine : 40N, Random noise: 35N |
| Frequency range | 5Hz – 5000Hz |
| Rated current | 3.5A |
| Nominal impedance | 4Ω |
| Effective mass of amateur | 150 gram |
| Max. acceleration | Sine: 200m/s2, Random: 100m/s2 |
| Max. velocity | 1.5m/s |
| Max. displacement | 10mm Pk-Pk |
| Power Amplifier WPA-1100 | |
| No of channels | 2 channels |
| RMS Power | 100W x2 max. 200W x 2 (2W load) |
| Min. coil impedance | 2W |
| THD | 0.01% |
| Frequency range | 10Hz – 20kHz |
| Signal Generator GFG-8020H | |
| Wave | SINE, TRIANGLE, SQUARE, TTL Pulse & CMOS Ouptput |
| Amplitude | >20Vp-p (Open voltage ) >10Vp-p (50Ω Load) |
| Impedance | 50Ω±10% |
| Display | 4 digit LED Display |
| Frequency range | 0.2Hz – 2MHz 7 Steps |
| Supply voltage | AC100V/120V/220V/230V±10%, 50/60Hz |
| Environmental and physical characteristics | |
| Power consumption | Less than 200W |
| Ambient temperature | 0~50°C |
| Size | 1800(W) x 900(D) x 1600(H)mm |
| Weight | 100 kg (including testing material) |