Research on Electrical Discharge Pre-machining for Passage between adjacent Blades of Superalloy Blisk
To achieve the machining goal of high efficiency and low cost for passage between adjacent blades of a superalloy blisk,a pre-process of simultaneously machinning several passages with grouped electrode was presented based on the material an structure of a superalloy blisk.The key technologies were discussed,which included the electrode and machinning paths design.The processing plan was verified by the technological test,while achieving the goal of high efficiency and low cost.
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