Objectionable noise, often referred to as “noise, vibration, and harshness” (NVH), is a central theme in product quality. The term encompasses unwanted sounds that a product produces during operation. In the case of an automobile, for example, these noises might include a rattling window, a clicking car seat motor, or…

Laser vibrometers are non-contact devices that use laser technology to measure vibrations on the surface of components, ensuring that parts meet the stringent quality, performance standards and specifications of the OEM.  By detecting quality issues before a part leaves the manufacturing facility, laser vibrometers help to detect any deviation from…

Laser vibrometers are versatile instruments used for non-contact vibration measurement designed to measure velocity, displacement, and acceleration of vibrating surfaces with high precision. There are several types of laser vibrometers, each designed for specific applications. Single-Point Laser Vibrometer Designed to measure vibrations at a single location on an object, a…

For any company, the importance of quality cannot be overstated. This is especially true for automotive OEMs and their suppliers, the entire supply chain, from raw material suppliers to manufacturers, operates under the expectation that stringent standards will be met. When poor quality infiltrates this chain, the consequences can be…

Resonance frequency is a phenomenon that occurs when an external force is applied to a system at the natural frequency of that system. In physics, this natural frequency is the frequency at which an object vibrates most strongly when disturbed. When an external force is applied at this specific frequency,…

Objective quality inspection allows manufacturers and suppliers to evaluate products or components using a standardized criteria and measurements. In this way, defective parts are identified before they reach the OEM or customer. Rooted in physics, objective quality inspection / testing offers several advantages including consistency, accuracy, and reliability in assessing…