It presents a new process for the automobile rear dowel support, designs a special hydraulic milling fixture for the machining of it, elaborates the principle of the hydraulic system.

• 针对汽车后轴销支座原加工工艺的缺点,提出了一套新的加工工艺,设计了汽车后轴销支座专用液压铣夹具,详细阐述了液压系统工作原理;