On-Line Measurement Of Hot Rolling Steel Bar

Chen Feng

doi:10.1117/12.953392

21 March 1989 On-Line Measurement Of Hot Rolling Steel Bar

Chen Feng

Proceedings Volume 1094, Thermosense XI: Intl Conf on Thermal Infrared Sensing for Diagnostics and Control; (1989) https://doi.org/10.1117/12.953392
Event: SPIE 1989 Technical Symposium on Aerospace Sensing, 1989, Orlando, FL, United States

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.

Citation Download Citation

Chen Feng "On-Line Measurement Of Hot Rolling Steel Bar", Proc. SPIE 1094, Thermosense XI: Intl Conf on Thermal Infrared Sensing for Diagnostics and Control, (21 March 1989); https://doi.org/10.1117/12.953392

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