Automatic generation of assembly instructions using STEP

Swee M. Mok; Kenlip Ong; Chi Haur Wu

doi:10.1109/ROBOT.2001.932571

Automatic generation of assembly instructions using STEP

Swee M. Mok, Kenlip Ong, Chi Haur Wu

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

An automatic method for generating assembly instructions using CAD files is presented in this paper. Algorithms for extracting geometrical information of objects stored in a non-proprietary format, ISO-10303, STEP-CAD data file are explained. The developed algorithms form an important link between design and manufacturing. In our previous work, we designed a hierarchical assembly model that allows designers to evaluate products for manufacturing cost using a structured assembly coding system (SACS). Each SACS code represents a sequence of assembling/disassembling operations for mating two parts. The developed algorithms in this paper will generate the required SACS codes based on the geometrical and topological information extracted from the STEP files of a product in a CAD environment. Based on the generated SACS codes, the proper assembly operations can then be derived for assembling the designed product. An example of assembly with simple parts is presented to verify the method.

Original language	English (US)
Pages (from-to)	313-318
Number of pages	6
Journal	Proceedings - IEEE International Conference on Robotics and Automation
Volume	1
DOIs	https://doi.org/10.1109/ROBOT.2001.932571
State	Published - 2001

ASJC Scopus subject areas

Software
Control and Systems Engineering
Artificial Intelligence
Electrical and Electronic Engineering

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10.1109/ROBOT.2001.932571

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abstract = "An automatic method for generating assembly instructions using CAD files is presented in this paper. Algorithms for extracting geometrical information of objects stored in a non-proprietary format, ISO-10303, STEP-CAD data file are explained. The developed algorithms form an important link between design and manufacturing. In our previous work, we designed a hierarchical assembly model that allows designers to evaluate products for manufacturing cost using a structured assembly coding system (SACS). Each SACS code represents a sequence of assembling/disassembling operations for mating two parts. The developed algorithms in this paper will generate the required SACS codes based on the geometrical and topological information extracted from the STEP files of a product in a CAD environment. Based on the generated SACS codes, the proper assembly operations can then be derived for assembling the designed product. An example of assembly with simple parts is presented to verify the method.",

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doi = "10.1109/ROBOT.2001.932571",

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Automatic generation of assembly instructions using STEP

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