3D reconstruction and defect dimension analysis of fracture surface for fracture splitting connecting rods

被引：0

作者：

Kou, Shu-Qing ^{[1
]}

Yang, Hong-Yu ^{[1
]}

Zhao, Yong ^{[1
]}

Yang, Shen-Hua ^{[2
]}

机构：

[1] College of Materials Science and Engineering, Jilin University

[2] Changchun Jiyanghuaxin Technology Co. Ltd.

来源：

Dongbei Daxue Xuebao/Journal of Northeastern University | 2014年 / 35卷 / 04期

关键词：

Area defect; Connecting rod; Fracture splitting; Fracture surface reconstruction; Roughness;

D O I：

10.3969/j.issn.1005-3026.2014.04.027

中图分类号：

学科分类号：

摘要：

Based on the triangle irregular net(TIN) reconstruction theory, a 3D software about the fracture surface reconstruction of connecting rods was developed by combining the image processing with the reverse engineering technique, which realized the morphology reproduction of the fracture surface and the calculation of the real surface area. Then the permit range of the area defect of the fracture surface for the fracture splitting connecting rods was determined, and the surface roughness (RS) and line roughness (RL) of the fracture surface were calculated and analyzed. The results showed that the fracture surface area of C70S6 connecting rods in a car produced by the fracture splitting method was 13.0% larger than that produced by the machining method. It represented that the tolerance range of fracture surface defect dimension was improved compared to the empirical value without reducing the carrying capacity and usability. Furthermore, the relationship between RS and RL was linear, and the mathematical model of these two was established which simplified the calculation procedure of the true area of the interaction surface of the fracture splitting connecting rods, and was beneficial for quantitatively describing the fracture surface.

引用

页码：574 / 578

页数：4

共 13 条

[1]

Gu Z., Yang S., Ku S., Et al., Fracture splitting technology of automobile engine connecting rod, The International Journal of Advanced Manufacturing Technology, 25, 9-10, pp. 883-887, (2005)

[2]

Kou S.Q., Wang J.W., Zheng Q.F., Numerical analysis of the temperature field generated during the production of a fracture notch in a C70S6 steel connecting rod using a Nd:YAG laser, Lasers in Engineering, 21, 1-2, pp. 115-127, (2011)

[3]

Zheng L., Kou S., Yang S., Et al., A study of process parameters during pulsed Nd:YAG laser notching of C70S6 fracture splitting connecting rods, Optics & Laser Technology, 42, 6, pp. 985-993, (2010)

[4]

Wang Y., Kou S., Yang S., Optimization of the prefabricated starting notch's parameters in the numerical simulation model of fracture splitting connecting rod, International Journal of Modeling, Identification and Control, 7, 1, pp. 67-74, (2009)

[5]

Chen Y.H., Ng C.T., Wang Y.Z., Data reduction in integrated reverse engineering and rapid prototyping, International Journal of Computer Integrated Manufacturing, 12, 2, pp. 97-103, (1999)

[6]

Vergeest S.M., CAD surface data exchange using step, Computer Aided Design, 23, 1, pp. 269-281, (1991)

[7]

Hoppe H., Derose T., Duchamp T., Surface reconstruction from unorganized points, Computer Graphics, 26, 2, pp. 71-78, (1992)

[8]

Zhang H.-W., Zhang G.-X., Li Z., Et al., Surface reconstruction and range image registration with cloud data points, China Mechanical Engineering, 15, 18, pp. 1626-1629, (2004)

[9]

Zhou J.-Y., Xie L.-Y., B-spline surface reconstruction based on RBFNN pre-fitting, Journal of Northeastern University: Natural Science, 24, 6, pp. 556-559, (2003)

[10]

Zhao Y.-M., Zhang G.-Z., Yu Z.-F., Point cloud fitting of NURBS curved surface in reverse design of automobiles, Journal of Northeastern University: Natural Science, 26, 7, pp. 680-682, (2005)

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