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列入自动式和半连续式轧管机组的均整机,在管壁成型时起精轧机的作用。均整顶头的磨损和变热将导致轧制间隙的变化和平均壁厚偏离给定值。采用自动控制系统不仅能够计算出上述因素的共同影响,以及提高钢管的精度,而且综合这些因素能得出顶头在使用中磨损和变热规律性的必不可少的数据。许多著作多从顶头的结构、材质和孔型设计方面研究其使用寿命,可是,关于顶头在使用中磨损和变热的规律性,这些文献中都没有涉足。为了揭示这种规律
Included in the automatic and semi-continuous pipe mill are the whole machine, forming the wall finishing mill role. Entire head wear and heat will lead to changes in the rolling gap and the average wall thickness deviation from the given value. The use of an automatic control system can not only calculate the common influence of the above factors and improve the precision of the steel pipe, but also synthesize these factors to obtain the essential data of the wear and heat regulation of the head in use. Many books mostly study their service life from the top of the structure, material and hole design. However, none of these references are concerned with the regularity of wear and heat of the head in service. To reveal this pattern