Computer aided geometric feasible assembly sequence planning and optimizing |
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Authors: | Qiang Su |
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Affiliation: | (1) Department of Industrial Engineering and Management, Shanghai Jiaotong University, 1954 Huashan Road, Shanghai, 20030, People’s Republic of China |
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Abstract: | Assembly sequence planning (ASP) is the foundation of the assembly process planning and design for assembly (DFA). In ASP,
geometric feasibility is the prerequisite in the valid assembly sequences searching. The assembly precedence relations’ (APRs)
deriving and fulfilling are the essential tasks in the geometric feasible assembly sequence planning. In this paper, a systematical
approach called geometric constraint analysis (GCA) is proposed and the corresponding software system is developed and integrated
with CAD system. Using this system, only with a few mouse clicks on CAD draft, assembly precedence relations (APRs) can be
derived correctly and completely. Then, all the geometric feasible assembly sequences can be inferred out automatically. Moreover,
an optimal algorithm is designed and realized in the GCA method, by which, the most optimal assembly sequence in terms of
the operation convenience can be found out from the immense geometric feasible sequences.
An erratum to this article can be found at |
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Keywords: | Assembly Geometric feasibility Optimizing Precedence relation Sequence planning |
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