Ultrasound Applications
"For a small investment, we have begun to see significant improvements in equipment reliability." "Since we began to utilize CTRL's turnkey ultrasonic inspection program, we've seen quite a few significant benefits from the employment of the technology." |
CTRL Ultrasound Technology ApplicationsUltrasonic Testing (UT), sometimes referred to as acoustic emissions (AE) testing, utilizes the properties of ultrasound for maintenance diagnostics, safety, and quality control. Industrial machines and equipment emit ultrasonic signals during operation that can aid in the detection of defects or failures at a very early stage. This information is extremely valuable in order to prevent lost production and to extend the life expectancy of critical components. DescriptionUltrasound refers to any sound with wave propagation over 20,000 Hz (20 kHz). Because of the properties of ultrasound, the ideal range for listening to acoustic waves through air and vibration through metals occurs at 40 kHz. Ultrasonic sensors, like the CTRL UL101, detect the ultrasound at 40 kHz and convert the sound into the human range of hearing, usually below 5 kHz. The receiver and headset block competing audible noise, enabling the user to listen to specific components. Additionally, because of the characteristics of ultrasound, the signal from a specific component can also be easily differentiated from components nearby. How Ultrasound Is CreatedUltrasound is produced when a component disturbs a medium (air or metal) and creates an oscillating pressure wave at ultrasound frequencies. Detection of ultrasound at 40 kHz is used in several applications.Friction - bearings, gears Impact - valves, steam traps, pumps Turbulence - gas leaks, vacuum leaks Electrical - arcing, corona discharge PropertiesThere are three primary properties of ultrasound that make it ideal for diagnosing critical components. These properties allow the user to distinguish and isolate the ultrasound of individual mechanical components and locate leaks in noisy, plant environments.Rate of Attenuation Directionality Ease of Shielding
AdvantagesUltrasonic technology provides several advantages over other commonly used maintenance methods:Provides the earliest warning signs Instantaneous More accurate at pinpointing problems More versatile Non-Destructive Easier to learn and use More cost effective |
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