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Advances in DesignManufacturing-driven Design of Sculptured Surfaces

Advances in Design: Manufacturing-driven Design of Sculptured Surfaces [Designers in every industry from automotive, aerospace and telecommunications to medical equipments and biomedical artifacts strive to enhance the product design efficiency in order to cope with changing demands, while delivering higher quality products with shorter lead time and for less cost. Effective integration of the product design and process planning can improve manufacturability and maximize satisfaction of the designer’s intent. This paper presents a Design For Machining (DFM) tool that enables designers to the estimate effect of the design decisions on the accuracy of the machined product, particularly those containing sculptured surfaces. Actual variations of machined features can be predicted using the proposed analytical method. The comparison of these variations with the nominal allocated tolerances identifies critical portions of the design where unacceptable deviations may occur after machining. Constraints may be imposed on the design space to take into consideration the manufacturing limitations, increase parts acceptance and reduce scrap and rework. The designers can use these results to guide or drive the product design either by changing the design geometry or by modifying the specified design tolerances. The developed method is applicable to any geometry and is particularly useful and efficient for designing accurate sculptured surfaces. A sculptured surface auto-part is used for illustration.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Advances in DesignManufacturing-driven Design of Sculptured Surfaces

Part of the Springer Series in Advanced Manufacturing Book Series
Editors: ElMaraghy, Hoda A.; ElMaraghy, Waguih H.
Barari, Ahmad; ElMaraghy, Hoda
Advances in Design — Jan 1, 2006
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11 pages

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References (6)

Publisher
Springer London
Copyright
© Springer-Verlag London Limited 2006
ISBN
978-1-84628-004-7
Pages
523 –534
DOI
10.1007/1-84628-210-1_43
Publisher site
See Chapter on Publisher Site

Abstract

[Designers in every industry from automotive, aerospace and telecommunications to medical equipments and biomedical artifacts strive to enhance the product design efficiency in order to cope with changing demands, while delivering higher quality products with shorter lead time and for less cost. Effective integration of the product design and process planning can improve manufacturability and maximize satisfaction of the designer’s intent. This paper presents a Design For Machining (DFM) tool that enables designers to the estimate effect of the design decisions on the accuracy of the machined product, particularly those containing sculptured surfaces. Actual variations of machined features can be predicted using the proposed analytical method. The comparison of these variations with the nominal allocated tolerances identifies critical portions of the design where unacceptable deviations may occur after machining. Constraints may be imposed on the design space to take into consideration the manufacturing limitations, increase parts acceptance and reduce scrap and rework. The designers can use these results to guide or drive the product design either by changing the design geometry or by modifying the specified design tolerances. The developed method is applicable to any geometry and is particularly useful and efficient for designing accurate sculptured surfaces. A sculptured surface auto-part is used for illustration.]

Published: Jan 1, 2006

Keywords: design for manufacturing; tolerance allocation; machining errors

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