激光技术作为测量和控制的手段之一被认为是七十年代科学的一大发展。它在钢铁工业中成功的应用导致了生产率的进一步提高。本文简述了什么是激光及其有关安全问题,并详述了用于钢铁工业中的各种激光系统,如:激光经纬仪、板边导向、带钢对中、板坯测厚、焊接对中、轧制棒材尺寸测量、宽度测量、激光限位开关以及在其它方面应用的激光系统等。 Laser technology as one of the means of measurement and control is considered a major development of science in the seventies. Its successful application in the steel industry led to further improvements in productivity. This article outlines what lasers and their related safety issues are and outlines the various laser systems used in the steel industry such as laser theodolites, plate edge guidance, strip centering, slab thickness measurement, weld centering , Rolling bar size measurement, width measurement, laser limit switch and other applications of the laser system.