Geometry repair method for damaged area of complex curved surface part
A geometric repair method and complex surface technology, applied in the field of computer-aided design and manufacturing, can solve the problems of not meeting the repair quality and accuracy requirements, manual intervention in cumbersome operations, etc.
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[0041] Specific implementation plan
[0042] The specific embodiments of the present invention will be described in detail below with reference to the drawings and technical solutions. Complex curved parts such as aero engine blades are prone to cracks, holes, corrosion and other damage and deformation after long-term operation in harsh environments; the application of rigid registration technology cannot make the design model of the damaged part fully fit the actual measurement point, the design model Nor can it continue to be used in the design, processing and other steps. In view of this situation, the present invention uses non-rigid registration based geometric repair of complex curved surface damaged parts, such as figure 1 As shown in the flow chart, firstly transform the given template curve and measurement point set, and then use the non-rigid registration optimization strategy composed of alternate iterative ICP fine registration and free deformation to establish the an...
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