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REDUCTION OF REWORKS BY DETECTING POSSIBLE MANUFACTURING PROBLEMS OF PLASTIC AND DIECASTING PARTS IN EARLY DESIGN STAGE

REDUCTION OF REWORKS BY DETECTING POSSIBLE MANUFACTURING PROBLEMS OF PLASTIC AND DIECASTING PARTS IN EARLY DESIGN STAGE

Year: 2016

Section: CAD/CAM and Computer Graphics

Editor: Umeda, Y.; Nomaguchi, Y.; Koga, T.; Kishita, Y.

Author: Inui, Masatomo; Umezu Nobuyuki

Institution: Ibaraki University, Japan

Section: CAD/CAM and Computer Graphics

Pages: 110-116

Abstract

Most parts of mechanical products are fabricated by using molds and dies. In the automobile manufacturing case, at least 6 months are required for preparing molds and dies for producing all necessary parts. Cost and time reduction of the mold and die fabrication is a critical issue for any manufacturing companies. Part designers are basically not manufacturing experts, therefore they often design a part with various manufacturability problems. These problems are usually detected by machining experts in the later stage of the production. Problems are reported to the part designer and resolved by modifying the part shape. Such reworks generally need a lot of time and cost. Reduction of the rework is indispensable for realizing the efficient production of the mold and die. In this paper, we propose a novel software system named “manufacturability assistant” for reducing the reworks. This system can detect possible manufacturability problems in early part design stage. By using this system, designers can evaluate the quality of a part in the manufacturability view point. They can reflect the evaluation result in the part design to obtain a CAD model with higher manufacturability. An experimental system is implemented and some computation results are demonstrated.

Keywords: Manufacturability evaluation, Rework reduction, Form feature extraction, Solid modeling, CAD

ds endorsed workshopThe 16th Asia Design Engineering Workshop - A-DEWS 2016

A-DEWS2016 will provide an international forum for researchers and practitioners in the field of design engineering so as to facilitate sharing recent research results/trend among the participants about DESIGN from strategy to methods of "Innovation of Life". http://www.a-dews2016.org/index.html...

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Chapters and BranchesAsia Chapter

The Asia Chapter wishes …. - To establish a sustainable network of active members of the Design Society that promotes Design Society activities in the Asian design community including academia and industry. - To foster collaboration in design research, education and practices in Asia while connecting to the other active communities of Design Society. - To construct design knowledge infrastructure to introduce and apply global design knowledge in Asia and to create and disseminate Asia-specific...

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Keywords
Design Science Journal