Precision measuring hot rolling seamless steel pipe on line is a new technology to enhance quality of steel pipe.

热轧无缝钢管在线精度测量是近年来为了提高无缝钢管质量采取的一项新技术。

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As the drilling style, this system introduces fly drilling technology whose central device is exact speed measuring unit to achieve dynamic-drilling on-line.

制孔方式方面采用以精密测速单元为核心的位移跟随技术，实现在线动态制孔。

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A new on line measuring system for the linearity of steel pipe with large diameter is invented with the technology of visual inspection.

本文研制了基于视觉检测技术的大直径钢管直线度在线测量系统。

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