介绍和分析了万能轧机采用的液压伺服辊缝控制(HGC)、自动厚度控制(AGC)等辊缝调节技术。这些技术为得到尺寸精度高、内外部质量好的产品提供了保证。 This paper introduces and analyzes the roll gap adjustment technology such as hydraulic servo roll gap control (HGC) and automatic thickness control (AGC) used in universal mill. These techniques provide a guarantee for products with high dimensional accuracy and good internal and external qualities.