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Proceedings Paper

On-Line Measurement Of Hot Rolling Steel Bar
Author(s): Chen Feng
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Paper Abstract

A passive instrument for on-line measuring hot rolling steel bar has been developed. The instrument uses self emission of the hot steel bar to deside the profile of working piece. The instrument can measure the dimensions of the cross section of the high speed and high temperature steel bar on the production line. It can be used for real-time monitoring, evaluating, and controlling the quality of the products. Compared with other similar instrument, new instrument has following features: - Passive measurement for simplifying the structure; - Simultaneous dimension and position measurement for ensuring high accuracy; - Temperature measurement for compensating thermal error; - Solid state sensor array for raising reliability; - Special structure for running in hostile enviornment; All these features make it possible to realize accurate measurement in high temperature, high humidity, and high dusty circumstance. The paper will present and discuss relative problems in the design and construction of this instrument. A prototype has been made and a series analogue experiments have been carried out in the laboratory. Rolling shop running test approves that the instrument can accurately measure the hot rolling steel bar on the production line. The total error is less than 0.05 mm while the measuring rate is as high as 2000 samples per second.

Paper Details

Date Published: 21 March 1989
PDF: 9 pages
Proc. SPIE 1094, Thermosense XI: Intl Conf on Thermal Infrared Sensing for Diagnostics and Control, (21 March 1989); doi: 10.1117/12.953392
Show Author Affiliations
Chen Feng, University of Alabama in Huntsville (United States)


Published in SPIE Proceedings Vol. 1094:
Thermosense XI: Intl Conf on Thermal Infrared Sensing for Diagnostics and Control
Gregory B. McIntosh, Editor(s)

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