研究了满足石油套管的直线度和圆度要求下的矫直量与残余应力的关系；
The relations between the straightening amount and the residual stress are researched in order to meet the requirements for the straightness and the roundness of oil casings.
该旋转矫直设备结构简单，调整方便，矫直效果好，能满足用户对钢丝平直度的要求。
The machine has such advantages as simple structure, convenience to adjust and good straightening effect, it can meet the needs of consumers for steel wire's straightness.
矫直机通过矫直辊对棒材等进行挤压使其改变直线度。
Straightening roller straightening machine through the bars of pressure for them to change, such as straightness.
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