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Research on laser measurement point cloud preprocessing and 3D reconstruction technology for free-form surfaces
Bin Sun1, Junfang Song2, Yi Cao1
1School of Optoelectronics Engineering, Xi'an Technological University, Xi'an 710021, China.
The Review of Scientific Instruments
|November 12, 2024
Summary
This study introduces a new 3D modeling method for aircraft-engine blades using laser measurement point cloud data. The technique enhances accuracy in digital manufacturing and reverse engineering applications.
Area of Science:
- Digital Manufacturing
- 3D Information Processing
- Reverse Engineering
Background:
- Surface morphology measurement and reconstruction using point cloud data are crucial for digital manufacturing.
- Existing methods face challenges in accurately modeling complex 3D geometries like aircraft-engine blades.
Purpose of the Study:
- To propose an accurate 3D modeling method for aircraft-engine blade profiles.
- To overcome limitations in current 3D measurement and modeling techniques for intricate components.
Main Methods:
- Preprocessing of laser measurement point cloud data.
- Utilizing Poisson's algorithm for surface reconstruction based on point cloud normals.
- Error statistical analysis for validation.
Main Results:
- The proposed method effectively reconstructs the 3D surface of aircraft-engine blades.
- Error analysis indicates a good overall reconstruction effect.
- Experimental validation confirms the method's generality and effectiveness.
Conclusions:
- The developed method provides a viable solution for accurate 3D modeling of aircraft-engine blades.
- This technique has broad applicability in digital manufacturing and related fields.
- The approach demonstrates significant improvements in modeling accuracy.
