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变值轧制成型是采用轧制的方式制造零件或毛坯的工艺方法 ,是一种新兴的有发展前途的制造技术。介绍了变值轧制成型工艺的基本原理和工艺方法 ,变值轧制成型时 ,辊缝跟踪设定的数值 ,辊缝是工件长度的函数 ,同时分析了设定辊缝、轧制压力、轧机刚度等因素对被成型工件厚度精度的影响。以变截面板弹簧形成理论和制造过程为例 ,介绍了变值轧制成型技术在农业机械和农用运输车变截面板簧制造方面的应用。变值轧制成型技术将成为制造具有变截面形状结构零件的主要方法。
Variable-value rolling is a method of manufacturing parts or blank by rolling, which is an emerging and promising manufacturing technology. The basic principle and process method of variable-value rolling process are introduced. The values of the setting of the roll gap in variable-value rolling process and the roll gap are a function of the length of the workpiece. Meanwhile, the influence of setting roll gap, rolling pressure, Mill stiffness and other factors on the thickness of the workpiece accuracy. Taking variable spring theory and manufacturing process as an example, this paper introduces the application of variable-value rolling technology in the manufacture of variable section leaf springs for agricultural machinery and farm vehicles. Variable-value rolling technology will become the main method of manufacturing parts with variable cross-section shape.