We are surrounded by various sounds and vibrations. If we can analyze these complicated sound and vibration components by frequency, we can grasp their magnitude/loudness and sources. Then why is it so necessary to analyze sound and vibration? This time we will talk about "vibration" as simple as possible, so that the measurement beginners can easily understand.
Vibration is highly applicable for investigating the conditions of machinery. When abnormal vibration occurs, machines will be weakened due to repeated stresses (Metal fatigue). Therefore, it is necessary to measure vibration in every situation, design development, quality control, and maintenance. In this way, it is generally recognized that is better to reduce the vibration, but there are practical applications, too. For example, poured concrete can be hardened more firmly by applying vibrations. Vibrating tools are used in various industrial processes such as drilling/cutting materials and cleaning surfaces.
Example "Diagnosis of a motor/ pump by monitoring vibration"
Facilities in a factory need everyday monitoring to prevent accidents like a line stop. This system enables constant monitoring of abnormal vibration from the machinery as well as the parts like bearings (Basic diagnosis).
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We will talk about sound measurement and it's application in the next number.
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