Tube spinning process is considered to be a very effective way for fabricating a long thick-walled part. In this research, the influences of major parameters of the thermomechanical tube spinning process such as preform thickness, percent of thickness reduction, rotational speed, feed rate, solution and aging treatment time on the external surface roughness and changes of the external diameter for fabricating of 2024 aluminum spun tubes using design of experiments is studied. The effect of the basic input parameters on the external surface roughness and changes of the external diameter was investigated synchronically by designing the experiments. After conducting the experiments, results are analyzed by variance analysis and by obtaining predicted mathematic models. Finally, by using these models and multivariate optimization, input parameters for optimum production are achieved.

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