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Radial-axial ring rolling is an incremental metal forming technique which is used to produce seamless rings. The advantages associated with the process include close tolerance, short production time and significant saving in material. The process marks non-uniformity in temperature and plastic strain variation. The process parameters such as mandrel feed rate, rotational speed of the main roll and axial roll feed rate have an impact on temperature and strain distribution. A coupled thermo-mechanical FE analysis is carried out in ABAQUS/Explicit to study the effect of various combinations of process parameters on the uniformity of temperature and deformation. Taguchi method is employed to find optimum process parameters. ANOVA (ANalysis Of VAriance) is carried out to assess the effect of process parameters on plastic strain and temperature.

3D Coupled Thermo-Mechanical FE analysis of effect of process parameters in ring rolling process