Application notes: NVH

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The abrasion of cutters on CNC machine tools will directly affect the quality of workpieces as wear progresses. This application note discusses how to use the “imc real-time vibration monitoring system” for real-time inspection and analysis of dynamic cutter performance and make evaluations and predictions to improve and optimize the cutter.

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For the firm Ingenieurgruppe Bauen, headquartered in Mannheim, Germany, we have integrated two standard elements - an imc measurement device and the evaluation software imc FAMOS - into an overall solution to achieve the goal of automated vibration analysis in buildings and structures.

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For quite some time now, interior noise in cars has been getting quieter. The once dominant sound of the internal combustion engine is now in the background, and other noise sources have moved to the forefront. Due to their high RPM, alternators contribute up to 40% of this total noise inside the vehicle. In order that this noise doesn't become to dominantor disturbing, imc automated the entire test sequence. The system consists of a modular imc measurementsystem and customized software based on the imc STUDIO software platform.

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In the modern development of hand-held power tools, the measurement of frequencies and vibrations that can be harmful to humans, as well as determining resonances in rotating tools, plays an increasingly important role.On the one hand, it is a matter of fulfilling the EU Standard “Noise and Vibration Regulations” (standard measurement procedure according to EN ISO 5349-1/2). On the other hand, it is of great importance to identify weak points in the tool at an early stage by means of order tracking and thus eliminate them easily.

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As engines become quieter, certain vehicle components are becoming perceivable which were previously drowned out by engine noise. For this reason, acoustic measurement now faces new challenges.

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