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Process parameters evaluation for direct investment casting

The advancement of the rapid prototyping (RP) technologies evolving toward rapid tooling in producing sacrificial patterns rapidly has profoundly benefits the investment casting (IC) process. Direct expendable pattern fabrication via RP techniques in complex and intricate features significantly redu...

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Main Authors: Marwah, O. M. F., Sharif, S., Shukri, M. S., Mohamad, E. J., Shaari, M. F., Hashim, M. Y.
Format: Article
Published: International Journals of Engineering and Sciences Publisher 2016
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TJ Mechanical engineering and machinery
Online Access:http://eprints.utm.my/id/eprint/74385/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84988359687&partnerID=40&md5=d1ed7de508f551c96cb8d5bc206a811d
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spelling my.utm.743852017-11-29T23:58:40Z http://eprints.utm.my/id/eprint/74385/ Process parameters evaluation for direct investment casting Marwah, O. M. F. Sharif, S. Shukri, M. S. Mohamad, E. J. Shaari, M. F. Hashim, M. Y. TJ Mechanical engineering and machinery The advancement of the rapid prototyping (RP) technologies evolving toward rapid tooling in producing sacrificial patterns rapidly has profoundly benefits the investment casting (IC) process. Direct expendable pattern fabrication via RP techniques in complex and intricate features significantly reduce the cost when associated with single or low volume production. However inappropriate settings of the RP processes and its variables may cause serious defect in the ceramic shell such as cracking during burning out of the patterns, incomplete collapsibility and poor qualities of end products. By implementing the ANOVA at 95% confidence level to study the relative influence of factors and interactions, result shows that Surface Roughness (SR) and Dimensional Accuracy (DA) drastically affected by input variables within 5 % level of significance. Confirmation runs for all responses were carried out to ensure that the models reliability. The error level for ABS P400 was within reasonable range with less than 19%. It is also found that Visijet SR200 acrylate have better variation below than 14%. This study was conducted in an effort to exploit the application of various RP tand materials in the fabrication of IC patterns by utilizing the RP process parameters in minimizing the errors of responses. Moreover, it is expected that this study will provide valuable information and great assistance to the IC manufacturer in producing precise, low cost and rapid patterns using RP technologies. International Journals of Engineering and Sciences Publisher 2016 Article PeerReviewed Marwah, O. M. F. and Sharif, S. and Shukri, M. S. and Mohamad, E. J. and Shaari, M. F. and Hashim, M. Y. (2016) Process parameters evaluation for direct investment casting. International Journal of Mechanical and Mechatronics Engineering, 16 (4). pp. 89-95. ISSN 2227-2771 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84988359687&partnerID=40&md5=d1ed7de508f551c96cb8d5bc206a811d
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Marwah, O. M. F.
Sharif, S.
Shukri, M. S.
Mohamad, E. J.
Shaari, M. F.
Hashim, M. Y.
Process parameters evaluation for direct investment casting
description The advancement of the rapid prototyping (RP) technologies evolving toward rapid tooling in producing sacrificial patterns rapidly has profoundly benefits the investment casting (IC) process. Direct expendable pattern fabrication via RP techniques in complex and intricate features significantly reduce the cost when associated with single or low volume production. However inappropriate settings of the RP processes and its variables may cause serious defect in the ceramic shell such as cracking during burning out of the patterns, incomplete collapsibility and poor qualities of end products. By implementing the ANOVA at 95% confidence level to study the relative influence of factors and interactions, result shows that Surface Roughness (SR) and Dimensional Accuracy (DA) drastically affected by input variables within 5 % level of significance. Confirmation runs for all responses were carried out to ensure that the models reliability. The error level for ABS P400 was within reasonable range with less than 19%. It is also found that Visijet SR200 acrylate have better variation below than 14%. This study was conducted in an effort to exploit the application of various RP tand materials in the fabrication of IC patterns by utilizing the RP process parameters in minimizing the errors of responses. Moreover, it is expected that this study will provide valuable information and great assistance to the IC manufacturer in producing precise, low cost and rapid patterns using RP technologies.
format Article
author Marwah, O. M. F.
Sharif, S.
Shukri, M. S.
Mohamad, E. J.
Shaari, M. F.
Hashim, M. Y.
author_facet Marwah, O. M. F.
Sharif, S.
Shukri, M. S.
Mohamad, E. J.
Shaari, M. F.
Hashim, M. Y.
author_sort Marwah, O. M. F.
title Process parameters evaluation for direct investment casting
title_short Process parameters evaluation for direct investment casting
title_full Process parameters evaluation for direct investment casting
title_fullStr Process parameters evaluation for direct investment casting
title_full_unstemmed Process parameters evaluation for direct investment casting
title_sort process parameters evaluation for direct investment casting
publisher International Journals of Engineering and Sciences Publisher
publishDate 2016
url http://eprints.utm.my/id/eprint/74385/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84988359687&partnerID=40&md5=d1ed7de508f551c96cb8d5bc206a811d
_version_ 1643656847291318272
score 13.211869

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