Early cost estimation for additive manufacture

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dc.contributor.advisor Lockett, Helen L.
dc.contributor.author Zhai, Yun
dc.date.accessioned 2013-03-13T15:06:57Z
dc.date.available 2013-03-13T15:06:57Z
dc.date.issued 2012-09
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/7856
dc.description.abstract Additive Manufacture (AM) is a novel manufacturing method; it is a process of forming components by adding materials. Owing to material saving and manufacturing cost saving, more and more research has been focused on metal AM technologies. WAAM is one AM technology, using arc as the heat sources and wire as the material to create parts with weld beads on a layer-by-layer basis. The process can produce components in a wide range of materials, including aluminum, titanium and steel. High deposition rate, material saving and elimination of tooling cost are critical characteristics of the process. Cost estimation is important for all companies. The estimated results can be used as a datum to create a quote for customers or evaluate a quote from suppliers, an important consideration for the application of WAAM is its cost effectiveness compared with traditional manufacture methods. The aim of this research is to find a way to develop a cost estimating method capable of providing manufacturing cost comparison of WAAM with CNC. A cost estimation model for CNC machining has been developed. A process planning approach for WAAM was also defined as part of this research. An Excel calculation spreadsheet was also built and it can be easily used to estimate and compare manufacture cost of WAAM with CNC. Using the method developed in this research, the cost driver analysis of WAAM has been made. The result shows that reduced material cost is the biggest cost driver in WAAM. The cost comparison of WAAM and CNC also has been made and the results show that with the increase of buy-to-fly ratio WAAM is more economical than CNC machining. en_UK
dc.language.iso en en_UK
dc.publisher Cranfield University en_UK
dc.rights © Cranfield University 2012. All rights reserved. No part of this publication may be reproduced without the written permission of the copyright owner. en_UK
dc.subject Additive manufacture en_UK
dc.subject Cost estimation en_UK
dc.subject Process planning en_UK
dc.subject CNC machining en_UK
dc.title Early cost estimation for additive manufacture en_UK
dc.type Thesis or dissertation en_UK
dc.type.qualificationlevel Masters en_UK
dc.type.qualificationname MSc by Research en_UK

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