A high-efficiency and high-precision automatic 3D scanning system for industrial parts based on a scanning path planning algorithm

Zong, Yulong; Liang, Jin; Pai, Wenyan; Ye, Meitu; Ren, Ming; Zhao, Jianbo; Tang, Zhengqiang; Zhang, Jiyao

doi:10.1016/j.optlaseng.2022.107176

Cited by 17 publications

(6 citation statements)

References 18 publications

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“…One of the positives of laser scanning technology is based on two aspects: The first concerns the state of technological advancement that tools of this type can provide to designers. As already known in the literature, the level of accuracy achievable by scanning the surfaces of even very complex geometries is unrivaled [18,19]. The best lasers on the market guarantee scanning tolerances of no more than 0.05 mm.…”

Section: Introductionmentioning

confidence: 99%

Reverse Engineering of a Racing Motorbike Connecting Rod

et al. 2023

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The following scientific paper aims to analyze in detail the methodology for reverse engineering of a racing motorcycle connecting rod. The objective is to start with a product available on the market as a spare part, reconstruct its CAD model with a high standard of accuracy, then proceed with lightening modifications to arrive at a new, improved design. The innovative aspect of the procedure lies in the fact that in order to ensure accuracy on the order of a tenth of a millimeter during reconstruction, it was decided to use a FARO articulated arm laser to scan the component’s outer surface. By taking advantage of appropriate redesign CAD software (Geomagic Design X), a reconstruction can proceed within the high standard of accuracy imposed. In conclusion, the modifications made through material removal allow an improvement in product efficiency, ensuring high performance.

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Section: Introductionmentioning

confidence: 99%

Reverse Engineering of a Racing Motorbike Connecting Rod

et al. 2023

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“…It is especially useful for additive manufactured parts with complex 3D surfaces. Common inspection approaches can be categorized into contact-based methods represented by coordinate measuring machines [5] and noncontact methods represented by 3D scanners [6] . 3D scanners offer advantages such as high measurement speed and the ability to swiftly and comprehensively capture point cloud data for blisk.…”

Section: Introductionmentioning

confidence: 99%

Digital model reconstruction and geometric error analysis of additive manufacturing blisk enabled by 3D scanner

Lei,

Lu,

et al. 2024

J. Phys.: Conf. Ser.

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Additive manufacturing has advantages in manufacturing blisk. However, additive manufacturing blisk can deviate in size and shape from their original digital models. In this paper, the shape of a complex shaped blisk manufactured by additive manufacturing is measured by using a 3D scanner, and the geometric errors compared to the digital model are calculated by using a column vector row index-based K-Neighborhood search algorithm. The computed range for geometric errors falls within (0.0075 mm, 6.9177 mm). Approximately 94% of the data points have errors within 3 mm. Larger geometric errors are primarily concentrated at the edges of the blades, aligning with the characteristic features of additive manufacturing processes.

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“…Turntables, also known as rotary tables, positioners, or positioning tables, have emerged as indispensable tools in manufacturing, particularly within robotic manufacturing processes such as milling [1][2][3][4] and welding [5][6][7] due to their ability to improve the degree of freedom of workpieces or tools. Furthermore, turntables find extensive utility in measurement applications, including body scanners [8], industrial parts scanners [9], plant scanners [10], and various 3D reconstruction applications [11][12][13]. In such scenarios, turntables play a * Author to whom any correspondence should be addressed.…”

Section: Introductionmentioning

confidence: 99%

“…However, extracting points from images introduces inherent random errors, necessitating careful consideration of sample size to ensure method accuracy. In a notable approach [9], standard spheres are utilized as reference objects, where the centers of the spheres serve as the sample points. Another approach [19] leverages the normal vectors of reference planes extracted from a point cloud to calculate the turntable's rotation axis.…”

Section: Introductionmentioning

confidence: 99%

“…Some researchers choose to tackle the problem geometrically. [9,15,18] try to use the sample points or sample spheres to fit a circle in space and use the fitted circle to determine the turntable plane and center point. The performance of methods in this genre is greatly influenced by the accuracy of the extraction of points, which is relatively unreliable compared to the accuracy of the extraction of planes statistically.…”

Section: Introductionmentioning

confidence: 99%

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An SVD-based turntable calibration method with multiple reference planes segmented from point clouds

Yang,

Wang,

et al. 2023

Meas. Sci. Technol.

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Turntables play an essential role in various industrial areas due to their ability to improve the DOF (degree of freedom) of workpieces or tools. In applications where positional accuracy of the objects is required, the accuracy of the system parameters of the turntable is critical for the applications to work properly. This paper proposes a new approach to calibrating the turntable system. First, we propose an optimized RANSAC (Random Sample Consensus) algorithm to obtain high-accuracy reference planes from multiple frames of point clouds grabbed from the reference object placed on a turntable. Second, an SVD (Singular Value Decomposition)-based two-step method is proposed to calculate the rotation axis vector and the center position of the turntable based on the reference planes extracted by the modified RANSAC algorithm. Finally, several experiments are performed to verify the proposed methods. Compared with the existing methods, our approach gets the analytical results and tries to correct the rotation angles. The experimental results show that the proposed method considerably improves calibration accuracy and efficiency without complex devices.

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A high-efficiency and high-precision automatic 3D scanning system for industrial parts based on a scanning path planning algorithm

Cited by 17 publications

References 18 publications

Reverse Engineering of a Racing Motorbike Connecting Rod

Reverse Engineering of a Racing Motorbike Connecting Rod

Digital model reconstruction and geometric error analysis of additive manufacturing blisk enabled by 3D scanner

An SVD-based turntable calibration method with multiple reference planes segmented from point clouds

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