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Research Papers

A Publishing Method of Lightweight Three-Dimensional Assembly Instruction for Complex Products

[+] Author and Article Information
Junhao Geng

School of Mechanical Engineering,
Northwestern Polytechnical University,
Xi'an 710072, China
e-mail: gengjunhao@nwpu.edu.cn

Sumei Zhang

School of Science,
Xi'an University of Posts and
Telecommunications,
Xi'an 710121, China
e-mail: zhanggsumei@sina.com

Bin Yang

Academy of Space Information System,
China Academy of Space Technology,
Xi'an 710000, China
e-mail: yangbin_341@163.com

1Corresponding author.

Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF COMPUTING AND INFORMATION SCIENCE IN ENGINEERING. Manuscript received August 8, 2014; final manuscript received January 22, 2015; published online April 9, 2015. Assoc. Editor: Joshua D. Summers.

J. Comput. Inf. Sci. Eng 15(3), 031004 (Sep 01, 2015) (12 pages) Paper No: JCISE-14-1249; doi: 10.1115/1.4029753 History: Received August 08, 2014; Revised January 22, 2015; Online April 09, 2015

In order to accurately guide on-site workers to quickly accomplish the assembly job of complex products, and reduce the deployment cost of assembly instruction, we propose a publishing method of lightweight 3D assembly instruction for complex products. In this paper, the key frames of assembly motion and the 3D technical annotations in the lightweight model are mapped to the time-based assembly process. Then, the annotated lightweight model and assembly process information are integrated and published into a single 3D assembly instruction document. An assembly instruction publishing example of satellite antenna feed component shows that the lightweight 3D assembly instruction is well instructive and affordable because it provides the interactive simulation of assembly process and time-based display of assembly technical annotations without using expensive computer-aided design (CAD) systems, graphics workstations, or virtual reality equipments. This method gives a full play to the advantages of model-based definition technology and lightweight model, and fills the gap between the process planning and the instruction publishing in the 3D virtual manufacturing environment.

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Copyright © 2015 by ASME
Topics: Manufacturing
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Figures

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Fig. 1

Mapping relations of assembly process and lightweight model

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Fig. 6

Publishing process of 3D assembly instruction

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Fig. 2

Organizational framework of assembly process MBD model

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Fig. 3

Logical technical framework of time sequence granularity method

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Fig. 4

XML schema of the mapping relations of annotations and time sequence granularities

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Fig. 5

Example of the ATS Mapping of timestamp granularity annotation

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Fig. 7

Assembly process of the east antenna of satellite

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Fig. 8

3D exploded view of the east antenna feed component

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