Types of and causes for the surface defects of the CC round billet for pipe - rolling with mandrel mill are analyzed, and quality improvement measures proposed.
简要分析了连铸连轧圆管坯表面缺陷的类别和形成原因，提出了改进圆管坯质量的措施。
The paper gives a brief introduction to three types of mandrels used for the two-high pilger cold-rolling mill, namely, mono-cone mandrel, dual-cone mandrel and parabolic mandrel.
本文简要介绍了周期式二辊冷轧管机所使用的单锥度芯棒、双锥度芯棒及抛物线芯棒。
A hydraulic limiter for the mandrel of a pipe mill relates to the hot rolling pipe mill of seamless steel pipe.
一种轧管机芯棒液压限动装置，涉及无缝钢管热轧管机。
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