Three dimensional modeling of the working linkage of load-haul-dump loader |
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| Authors: | Y Li M Fang M L Feng S Frimpong |
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| Affiliation: | 1. School of Resources and Engineering, Beijing University of Science and Technology, Beijing, 100083, People’s Republic of China
2. Department of Civil and Environmental Engineering, School of Mining and Petroleum Engineering, University of Alberta, Edmonton, T6G 2G6, Canada
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| Abstract: | 3-dimensional (3D) modeling approach of the working linkage of load-haul-dump (LHD) loader has been presented to implement 3D computer aided design (CAD) and manufacture. The modeling approach is described in detail with application examples. The major issues in implementing modeling are discussed. Research work is focused on integration of basic modeling operations in the HELIX design system with modeling methods proposed in this work to achieve part modeling, assembly modeling, and assembly analysis of the working linkage. Part modeling operations in the HELIX design system and proposed compound modeling method are used together to design the parts in 3-dimensions. Assembly modeling operations in the HELIX design system and proposed feature-based modeling and assembly method from top to bottom have been integrated to assembly parts into an assembly tree structure in 3-dimensions. Assembly analysis operations in the HELIX design system have been proposed to find out the geometric connection, express the spatial dimension and make the interference check in the assembly model. This approach can be used for all kinds of 3D modeling of the working linkage of LHD loader. |
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