Special device for one-step remelting of turbine blade thermal barrier coating
A turbine blade, laser remelting technology, applied in coating, metal material coating process, air transportation and other directions, can solve the problems of difficult realization, thermal stress thin-walled workpiece deformation, difficult industrial application, etc., to avoid macro deformation, High degree of automation and good quality control
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[0016] Such as figure 1 As shown, the described laser remelting device which is easy to control the deformation and stress of the blade caused by the remelting heating and can realize the automatic remelting of the thermal barrier coating of the turbine turbofan blade. The overall device is mainly composed of a laser 5 and an optical splitter 6. Optical transmission coupler 3, light guide cables 7 and 20, infrared thermostats 2 and 10, movable and rotatable laser processing heads 1 and 11, numerical control processing platform 13, computer controller 15 and other main components.
[0017] When using this device to perform laser remelting, the turbine blade 8 to be processed is clamped on the CNC machining platform 13, the movement parameters of the workpiece are input through the computer controller 15, and then the laser 5 is turned on, and the laser 5 emits a laser beam 4 from The space is transmitted to the beam splitter 6, and the beam energy is divided into two by the beam s...
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