A Repairing Method for Damage of Precision Parts of Steam Turbine
A repair method and steam turbine technology, which are applied in the field of gas turbines and steam turbines, can solve problems such as endangering the safe operation of units and economic losses, and achieve the effects of low cost, high degree of automation and high welding precision.
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Embodiment 1
[0025] The repair system used in the repair method of the present invention consists of: a micro-arc plasma welding system equipped with a wire feeder, an ABB welding robot, a linkage turntable, a control power supply system, an optical three-dimensional scanning measurement device, and a computer system equipped with reverse engineering software.
[0026] When the defect of the blade matrix is relatively serious, the repair process of the present invention is:
[0027] (1) Use an angle grinder to remove impurities such as oxides and dust on the surface of the blade to be repaired, grind the area to be repaired to eliminate defects, and use penetration testing until there is no display, that is, a gap is formed;
[0028] (2) Clamp the blade to be repaired on the turntable, use the optical three-dimensional measurement equipment installed on the robot, drive the robot and the turntable through the control system, and perform automatic optical three-dimensional scanning on the ...
Embodiment 2
[0034] The repair system used in the repair method of the present invention consists of: a micro-arc plasma welding system equipped with a powder feeder, an ABB welding robot, a linkage turntable, a control power supply system, an optical three-dimensional scanning measurement device, and a computer system with reverse engineering software.
[0035] When the surface of the blade is relatively shallow water erosion, the repair process of the present invention is:
[0036] (1) Use an angle grinder to remove impurities such as oxides and dust on the surface of the blade to be repaired, grind the area to be repaired to eliminate defects, and use penetration testing until there is no display, that is, a gap is formed;
[0037] (2) Clamp the blade to be repaired on the turntable, use manual optical 3D scanning, collect data through supporting computer software, and finally obtain 3D point cloud data on the surface of some areas near the blade gap;
[0038] (3) Use reverse engineerin...
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