无缝钢管经过三辊定减径机轧制生产工序后，有时会产生弯曲，影响产品质量和深加工。
The product quality and further processing are affected by the curvature of seamless steel pipe caused during rolling through the three-roll size reducing mill.
重点介绍了三辊可调式减定径机机芯部分工作原理及应用。
This paper introduces the working principles and application of the module of the adjustable three-roller rolling mill.
定、减径机的传动装置的结构简单，易于加工、装配、运输，大大降低成本。
The transmission device for the sizing mill and the reducing mill has simple structure and is easy to be processed, assembled and transported, which reduces cost greatly.
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