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最近の光応用計測技術の鉄鋼プロセスへの適用

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川崎製鉄技報

KAWASAKI STEEL GIHO Vol.21 (1989) No.3

最近の光応用計測技術の鉄鋼プロセスへの適用

Recent Applications of Optical Measurement Techniques to Steel Industry Processes 虎尾 彰(Akira Torao) 柳本 隆之(Takayuki Yanagimoto) 内田 洋之(Hiroyuki Uchida) 市川 文彦(Fumihiko Ichikawa) 片岡 健二(Kenji Kataoka)

要旨 : 高品質で均質な鉄鋼製品の安定製造のために品質,寸法量やプロセス状態量などのオンラ イン測定技術開発の必要性が近年高まりつつある。この要求を満たすために,光を応用し た計測技術開発が積極的に取り組まれているが,これは最近のハードウェア技術の充実傾 向を反映したもので,光計測の非接触,高速性などの利点が有効に活用される。例えば, 三角測量法を用いて耐火物レンガ残厚計や表面の反射特性,画像情報などを利用した冷延 鋼板やレーザーダル加工を施したロールの表面性状測定装置などの開発例がある。いずれ も耐環境性,高速性,高精度化などを考慮している点が特徴である。本報告では,これら 事例の詳細と今後の動向について記述した。 Synopsis :

On-line measurement of quality and dimensions of products and the condition of processes has recently become very important to keep stable production of high quality and homogeneous products. This tendency is also applicable to the steel industry. To satisfy these strong needs, optical measurement technologies and instruments have been developed because of their advantages such as non-contact, high-response and high-sensitive measurements. Recent advances of hard-ware technologies have also-contributed to development of new instruments. Recent examples are dimensional measurement using optical cross sectional method and surface property measurement of steel sheets or rolls for which surface reflective characteristics and image information are utilized. In order to develop to develop these kinds of instruments, durability against adverse environment, countermeasures to realize high response, resolution and precision measurement are taken into consideration. In this paper, the actual state of optical measurement technologies and also future trends are described.

(c)JFE Steel Corporation, 2003

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