Abstract
In the work were set and solved the task of the FEM simulation process, the screw firmware blank on the double roller mill with mushroom-shaped rolls. The decision of the task allowed us to calculate the parameters of the contact surface of the workpiece to roll as well as the analysis of dimensional accuracy of the casings. The adequacy of the models is proved by comparison of calculated and experimental values of the parameters of the contact surface and the sizes of the casings. Implementation of the developed technical solutions for adaptation of a piercing mill in the shop No1 PJSC "STZ" has allowed to provide high stability of the rolling of thin-walled shells with size 328×433 of 20.55 mm x 26,9 mm.
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