THEORETICAL ANALYSIS OF ROLLER DIE DRAWING PROCESS FOR STEEL PIPE

Based on analysis of the characteristics of steel pipe roller die drawing process, the analytical equation for the drawing force during roller die drawing operation is derived.The analytical solution obtained via the equation was in close compliance with relevant experiment result.The roller die pressure is set up with the integral mid-value law and the horizontal force balancing condition.The data is referenceable to calculation concerning steel pipe roller die drawing process.