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Dewesoft’s new VIBRO-KIT is designed for simulating rotating machinery measurements. One of its many applications would be in educational settings, such as schools and university laboratories by providing a playground for countless experiments.
Made from solid aluminium, the VIBRO-KIT consists of a small electric motor, a bearing, two optical strip-tape angle sensors, two encoders and a spring on one side.
The RPM can be controlled manually with a turn knob, and you can even define ramps, cycles, etc. with the built-in display.
Furthermore, an external analog voltage (or PWM signal) can be used to control the RPM. As with all DEWESoft interfaces, the software is automatically selected based on the application being used.
Place an accelerometer in various positions and measure the vibration level, display the result in the FFT Analyser and check Global Level, RMS, and Peak-Peak.
The powerful cursors allow the easy determination of max amplitudes as well as the harmonics and sideband modulations. Vary the RPM and display the time history data in the 3D FFT waterfall graph.
To separate engine-based harmonics (orders) from structural resonances, use the Order tracking module to perform a run-up or coast-down through the entire RPM range.
Extract single orders and see their contribution to the overall vibration level.
Some frequencies might arise from faulty bearings, to check if they are they still healthy, Simply place the bearing markers in the spectrum.
If the first order is too high, use the Balancing module to improve the result.
Screws can be mounted on the discs to correct it.
The step-by-step procedure guides you through the process. For angle-based measurements, use one of the angle-sensors as a base, and calculate the rotational vibrations.
The spring will create heavy torsional vibrations, which can be analysed up to very high precision at high RPM with our Super-counters hardware.
With the mathematics and analog out functionality for steering RPM, the combinations to simulate practical applications in the lab are almost endless.