2012届毕业设计说明书 I 摘 要 2012届毕业设计说明书 II ABSTRACT The design is a reference to the traditional axle design. Access to a lot of information in the design process. This design is the first demonstration program. Followed by the structure of the drive axle design. Including the choice of the number of gear pairs, the choice of gear type differential design, the choice of the differential gear, axle