Development of Pressure Vessel Maintenance Device Based on Three-coordinate Machining Technology
According to the characteristic dimensions and spatial layout of sealing structure of the reactor pressure vessel,this paper proposes a design scheme of pressure vessel maintenance device based on three-coordinate machining technology.Test results show that the structure and electrical control system of the device are reasonable and reliable,and control precision and safety performance indexes meet the requirements of nuclear power production.The maintenance device has multiple functions including machining and repairing of flange surface overlay welding of pressure vessel shell,main screw hole threads,etc.,it can provide technical support for the safe and stable operation of the reactor and give reference for special maintenance of other pressure vessels.
Three-coordinatepressure vesselonline maintenanceresearch and development
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