Simulations of the Drawing Process in a System of Pressure Dies and Work Dies

Abstract

It is suggested to improve the drawing process in terms of reducing the energy costs for drawing and increasing the process speed and productivity. A general picture of the hydrodynamic modes of lubricant flow in the pressure gaps with their dependences on the main design parameters of the prefabricated drawing tool has been presented. Based on this, the task is to develop the designs of prefabricated drawing tools, where the conditions of hydrodynamic friction and lubricant injection into the deformation zone are guaranteed to be met. The design should be universal, i.e., satisfy the conditions for the exact and specific sizes of draw dies, dies, and the whole drawing unit as well as for the expected dimensions of a finished product and a deviation in the workpiece diameter including the wire and cylindrical workpieces. The task was to develop a simplified method to select a set of draw dies of the pressure section and dies of the working group for the subsequent production of a drawing tool using a hydrodynamic mechanism for capturing and injecting technological lubricant into the deformation zone.