A set of experiments was designed to study the relationship between expansion deformation force, axial length reduction, wall thickness reduction, tensile strength /yield strength of expansion pipe and model angle of expansion tool and expansion rate.
文中通过一组试验,比较详细地研究了膨胀管膨胀变形力、膨胀后套管轴向缩短量、膨胀后套管壁厚减小量、膨胀后套管的抗拉强度、屈服强度与膨胀工具模角及套管膨胀率的关系,得到了它们之间相互制约的变化规律。
In order to reasonably design expansion tool and work out expansion technology,a 3-D FEM model of solid expandable tube is established.
为合理设计膨胀工具及制订膨胀工艺,采用三维弹塑性接触问题有限单元法,建立了实体可膨胀管膨胀过程的三维非线性接触问题有限元分析模型。
The relationship between axial displacement of expanded SET and the expansion tool's model angle was studied carefully through solving the model with FEM analyses softwa.
通过对所建模型的求解,对实体膨胀管膨胀后轴向位移与膨胀工具模角的关系进行了深入细致的研究,找出了膨胀工具与膨胀管在不同的接触条件、膨胀管在不同的内径膨胀率及不同的壁厚条件下轴向位移的变化规律。
