3D inspection of super-large wind turbine blade mold-Holon 3d

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3D inspection of super-large wind turbine blade mold

2021-10-23 A+ A A-

A well-known wind power equipment manufacturer needs to perform three-dimensional measurements on wind power blade molds to check whether the blade molds are qualified. Wind turbine blades are the most basic and critical components of wind turbines. The design of the blades directly affects the conversion efficiency of wind energy and its annual power generation. Good design, reliable quality and superior performance are the decisions to ensure the normal and stable operation of the unit. factor. Therefore, whether the quality of the wind turbine blade mold can meet the standard is particularly important.

Practical problem

1. Due to the huge size of the wind turbine blade mold (about 20 meters in length and 2 to 3 meters in width), the curved surface requires high precision and it is inconvenient to move. When measuring with a camera-type 3D scanner, the cumulative error will be too large. How to eliminate the error caused The impact of this is the biggest problem facing.

2. The use of traditional measurement methods not only takes a long time, but also has limited data obtained and cannot accurately measure the three-dimensional data of the curved surface of the wind power blade, and cannot perform complete scanning and data splicing. Nor can it complete the quality inspection of wind power blade molds.

Holon solutions

In view of the large scanning area of the wind power blade mold and high surface accuracy requirements of the company, in order to eliminate the problems of cumulative scanning errors and complete splicing, Hualang 3D technical engineers put forward a solution: the use of 3D photogrammetry system HL-3DP does not require a 3D scanner The three-dimensional inspection of the blade mold of super wind power can be completed alone, and the high-precision three-dimensional data of the blade mold can be quickly obtained + reverse design software (converting the point cloud data of the wind power blade mold into triangular mesh surface data) + importing the design software for post-processing, Get the test analysis report.