Emphasizing solutions to the problems of achieving tight tolerances of important geometrical parameters such as thickness, width, cross-sectional profile, and flatness, this reference focuses on the principles and applications of the latest technology for producing high-quality, flat-rolled steel products.;Illustrated with more than 700 drawings, High-Quality Steel Rolling: defines the geometrical parameters of flat-rolled products in both conventional and standardized forms; clalssifies the various types of transducers and sensors and provides definitions of basic metrological terms; examines thickness and width control in rolling mills, outlining the methods of width change by casting rolling, and pressing; discusses the theoretical aspects of roll deformation, roll thermal expansion, roll wear, and roll bending in relation to strip profile and flatness; reviews various control systems such as roll bending, roll shifting and roll crossing, as well as systems for utilizing rolls with specific profiles and flexible edge rolls; analyzes the main causes of imperfections in the performance of contemporary automatic control systems; and investigates new computer modeling capabilities for resolving problems in product quality.
Table of Contents
Part 1 Geometry of flat-rolled products: definitions of geometrical parameters; standardization and quality requirements; standard dimensional tolerances; statistical and analytical dimensional tolerances. Part 2 Principles of measurement: definitons of basic metrological terms; transducers and sensors; principles of signal treatment. Part 3 Gauge control in rolling mills: causes of gauge variation; automatic gauge control systems; dynamic characteristics of roll gap control systems; causes and effects of roll eccentricity; methods of roll eccentricity compensation. Part 4 Width control in rolling: theory of width change; methods of width change by casting and rolling; methods of width change by pressing; optimization of the width change process; automatic width and plan view control systems. Part 5 Theory of strip profile and flatness: effect of roll deformation on strip profile; effect of roll thermal expansion and wear on strip profile; strip profile and flatness analysis; roll bending analysis. Part 6 Strip profile and flatness control: roll bending systems; roll shifting and cross systems; rolls with specific profiles; flexible edge rolls; strip profile and flatness sensors; automatic strip profile and flatness control systems.