Reducing bubble defect on the outsole production process in the footwear manufacturing industry

Watcharaphassakorn, Methinee & Yarlagadda, Prasad K.D.V. (2014) Reducing bubble defect on the outsole production process in the footwear manufacturing industry. Advanced Materials Research, 988, pp. 759-763.

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Abstract

The purpose of this study is to discover the significant factors causing the bubble defect on the outsoles manufactured by the Case Company. The bubble defect occurs approximately 1.5 per cent of the time or in 36 pairs per day. To understand this problem, experimental studies are undertaken to identify various factors such as injector temperature, mould temperature; that affects the production of waste. The work presented in this paper comprises a review of the relevant literature on the Six Sigma DMAIC improvement process, quality control tools, and the design of the experiments. After the experimentation following the Six Sigma process, the results showed that the defect occurred in approximately 0.5 per cent of the products or in 12 pairs per day; this decreased the production cost from 6,120 AUD per month to 2,040 AUD per month. This research aimed to reduce the amount of waste in men’s flat outsoles. Hence, the outcome of research presented in this paper should be used as a guide for applying the appropriate process for each type of outsole.

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ID Code: 74839
Item Type: Journal Article
Refereed: Yes
Keywords: Footwear, Manufacturing, DMAIC, Bubble Defects, Six Sigma Limits
DOI: 10.4028/www.scientific.net/AMR.988.759
ISSN: 1022-6680
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MANUFACTURING ENGINEERING (091000)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2014 Trans Tech Publications Inc.
Deposited On: 07 Aug 2014 23:25
Last Modified: 21 May 2015 02:51

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