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Welded roll forming system versus tube mills: What’s the difference? Professional

2 months ago Multimedia Lancaster   32 views

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Location: Lancaster
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Steel pipe rolling forming process is an elastic-plastic deformation process, the boundary conditions is very complicated and nonlinearity, so it is difficult to get the exact solution by using the analytical method and the traditional implicit static algorithm based on finite element method. The contact collide arithmetic based on explicit dynamic program LS-DYNA provides an effective way for accurate research on the elastic-plastic deformation of the hot-rolled seamless pipe rolling process. This paper takes the SMS MEER rolling mill of Φ 177PQF steel tube rolling units in Ansteel seamless steel pipe rolling mill as the research object, makes a coupled thermo-mechanical finite element method computation on steel pipe rolling process, gets the residual stress and strain change rule in the rolling process. Written the rolling process parametric programs by APDL, analyzed the influence of roller spacing and velocity parameters on residual stress and strain, which provides a reliable theory basis for improving the performance of hot rolling seamless steel pipe and the optimization of rolling technological parameters.

The welding of streel strip into a product, such as round tube or pipe, box frames, and structural members, is a multibillion-dollar industry that had its beginnings more than a century ago. Many items that we use today, like furniture tubing, oil pipe, and fuel lines, are manufactured on welded pipe cold rolling mill.

In the last 20 years OEMs have been asked to apply the principles learned from cold pilger to the much larger roll forming processing market. This has created another technology area today known as welded roll forming.