The reason of producing residual stress in milling processing of spiral bevel gear by investigating lots of existed literatures is analyzed

and part of three-dimensional model of gear blank and milling tool based on real size is established.The motion of the CNC axes is transformed into the relative position adjustment between the gear blank and the milling cutter.By orthogonal design and changing the ways of milling processing parameters

the influence discipline of different processing parameter to the spiral bevel gear’s residual stress is analyzed by the ABAQUS.A new way of improving the quality and increasing the life span of spiral bevel gear by improving the processing parameter is raised

and it will contribute to the machining optimization technology of spiral bevel gear.