How to avoid resonance in the processing of sheet metal cabinet?

The metal plate chassis and cabinet will produce certain vibration in the working process, and the long-term resonance will cause certain damage to the machinery and equipment. Therefore, in the face of this kind of vibration, the shock absorber needs to be installed in the sheet metal processing process, and there is almost no resonance amplification in the range of 10 ~ 2000Hz after installation. Although there are irregular spikes around 200Hz, the sheet metal chassis cabinet has resonance amplification, but the time is very short, the transmission rate decreases quickly, and the impact on the cabinet is small.

For chassis and cabinets, cracks and other phenomena need to be detected after leaving the factory, and the connection cannot be loosened. Through strengthening the design of the cabinet, selecting a reasonable vibration isolation system, and then carrying out test verification, the sheet metal chassis cabinet can meet the use requirements of the airborne environment.

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Author: YAN YI FAN