冷間圧延における板表面光沢の制御システムの提案

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The purposes of this study are to examine systematically the effect of tribological factors on surface qualities of rolled sheet, and to propose a system for estimating and controlling the surface qualities of rolled sheet before rolling. The rolling experiments were carried out, changing the rolling speed, the reduction, the viscosity of lubricant and the surface roughnesses of roll and sheet. The surface roughness and the surface brightness of rolled sheet were measured and the surface photographs were taken. From these experimental data, when the surface roughnesses of roll and sheet are smooth, the surface brightness decreases with increasing the rolling speed and the viscosity of lubricant, and conversely the surface roughness increases. On the other hand, when the surface roughnesses of roll and sheet are rough, they have a great influence upon the surface qualities of rolled sheet. In the former case, the dependence of the rolling speed, the viscosity and the surface roughnesses of roll and sheet before rolling on the surface brightness is equal to that on the oil film thickness. Consequently, the surface brightness is expressed as a function of the oil film thickness. In the latter case, the surface brightness is expressed as three functions of the oil film thickness and the surface roughnesses of roll and sheet before rolling. By using the relations, a system for estimating and controlling the surface brightness before rolling can be constructed.
社団法人日本鉄鋼協会の論文
1990-04-01

冷間圧延における板表面光沢の制御システムの提案

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