Development of a Versatile Laser-Ultrasonic System and Application to the Online Measurement for Process Control of Wall Thickness and Eccentricity of Seamless Tubes
A system for the online, non-contact measurement of wall thickness in steel seamless mechanical tubing has been developed and demonstrated at a tubing production line at the Timken Company in Canton, Ohio. The system utilizes laser-generation of ultrasound and laser-detection of time of flight with interferometry, laser-doppler velocimetry and pyrometry, all with fiber coupling. Accuracy (<1% error) and precision (1.5%) are at targeted levels. Cost and energy savings have exceeded estimates. The system has shown good reliability in measuring over 200,000 tubes in its first six months of deployment.
- Research Organization:
- The Timken Company (US)
- Sponsoring Organization:
- (US)
- DOE Contract Number:
- FC07-99ID13651
- OSTI ID:
- 803410
- Report Number(s):
- DOE/ID/13651; TRN: US200310%%12
- Resource Relation:
- Other Information: PBD: 23 Oct 2002
- Country of Publication:
- United States
- Language:
- English
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