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AN ANALYTICAL COST MODEL FOR INVESTMENT CASTING

Part of: Design Methods

Published online by Cambridge University Press:  11 June 2020

M. Mandolini ,
F. Campi ,
C. Favi ,
P. Cicconi  and
M. Germani
M. Mandolini*
Affiliation:
Università Politecnica delle Marche, Italy
F. Campi
Affiliation:
Università Politecnica delle Marche, Italy
C. Favi
Affiliation:
University of Parma, Italy
P. Cicconi
Affiliation:
Università Politecnica delle Marche, Italy
M. Germani
Affiliation:
Università Politecnica delle Marche, Italy
*
*[email protected]

Abstract

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Analytical cost estimation of investment casted products during design phase is a complex task since the quantity of parameters to be evaluated. So far, there is a short literature on such cost estimation models. This paper attempts to improve the cost model presented by Boothroyd and Dewhurst. Improvements (mainly focused on cluster assembly and investment, sintering and melting phases) were defined and verified in cooperation with two foundries. Tested on eight components, deviation between estimated and actual costs is around 14% for manual production lines and 6% for automatic ones.

Keywords

design for x (DfX)design costingprocess modellinginvestment castingcost estimation
Type
Article
Information
Proceedings of the Design Society: DESIGN Conference , Volume 1 , May 2020 , pp. 987 - 996
Creative Commons
Creative Common License - CCCreative Common License - BYCreative Common License - NCCreative Common License - ND
This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is unaltered and is properly cited. The written permission of Cambridge University Press must be obtained for commercial re-use or in order to create a derivative work.
Copyright
The Author(s), 2020. Published by Cambridge University Press

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