NVH Production Test System – Sunroof Application

Industry: Automotive

Applications: Troubleshooting

A Tier 1 supplier of vehicle roof systems hired Sound Answers to provide engineering support for integrating their B&K Pulse NVH production test systems, for developing/setting product acceptance targets, and for troubleshooting noise and vibration issues in the screened samples. Operating vibration measurements were made on a number of end-of-line systems in the US and abroad. Different analysis techniques were utilized for each identified failure mode, such as frequency spectra, envelope analysis, and time domain statistics. The source-path-receiver approach was used for troubleshooting NVH related issues and product acceptance criteria correlated to subjective preference were implemented in the end-of-line production system.

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