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Article: Uniform surface polished method of complex holes in abrasive flow machining

TitleUniform surface polished method of complex holes in abrasive flow machining
Authors
KeywordsAbrasive Flow Machining
Passageway
Uniform Roughness
Issue Date2009
Citation
Transactions Of Nonferrous Metals Society Of China (English Edition), 2009, v. 19 SUPPL. 1, p. s250-s257 How to Cite?
Abstract
Abrasive flow machining(AFM) is an effective method that can remove the recasting layer produced by wire electrical discharge machining(WEDM). However, the surface roughness will not be easily uniform when a complex hole is polished by this method. CFD numerical method is aided to design good passageways to find the smooth roughness on the complex hole in AFM. Through the present method, it reveals that the shear forces in the polishing process and the flow properties of the medium in AFM play the roles in controlling the roughness on the entire surface. A power law model was firstly set up by utilizing the effect of shear rates on the medium viscosities, and the coefficients of the power law would be found by solving the algebraic equation from the relations between the shear rates and viscosities. Then the velocities, strain rates and shear forces of the medium acting on the surface would be obtained in the constant pressure by CFD software. Finally, the optimal mold core put into the complex hole could be designed after these simulations. The results show that the shear forces and strain rates change sharply on the entire surface if no mold core is inserted into the complex hole, whereas they hardly make any difference when the core shape is similar to the complex hole. Three experimental types of mold core were used. The results demonstrate that the similar shape of the mold core inserted into the hole could find the uniform roughness on the surface. © 2009 The Nonferrous Metals Society of China.
Persistent Identifierhttp://hdl.handle.net/10722/157078
ISSN
2013 Impact Factor: 1.001
2013 SCImago Journal Rankings: 0.893
References

 

Author Affiliations
  1. Ching Yun University Taiwan
DC FieldValueLanguage
dc.contributor.authorWang, ACen_US
dc.contributor.authorTsai, Len_US
dc.contributor.authorLiang, KZen_US
dc.contributor.authorLiu, CHen_US
dc.contributor.authorWeng, SHen_US
dc.date.accessioned2012-08-08T08:45:14Z-
dc.date.available2012-08-08T08:45:14Z-
dc.date.issued2009en_US
dc.identifier.citationTransactions Of Nonferrous Metals Society Of China (English Edition), 2009, v. 19 SUPPL. 1, p. s250-s257en_US
dc.identifier.issn1003-6326en_US
dc.identifier.urihttp://hdl.handle.net/10722/157078-
dc.description.abstractAbrasive flow machining(AFM) is an effective method that can remove the recasting layer produced by wire electrical discharge machining(WEDM). However, the surface roughness will not be easily uniform when a complex hole is polished by this method. CFD numerical method is aided to design good passageways to find the smooth roughness on the complex hole in AFM. Through the present method, it reveals that the shear forces in the polishing process and the flow properties of the medium in AFM play the roles in controlling the roughness on the entire surface. A power law model was firstly set up by utilizing the effect of shear rates on the medium viscosities, and the coefficients of the power law would be found by solving the algebraic equation from the relations between the shear rates and viscosities. Then the velocities, strain rates and shear forces of the medium acting on the surface would be obtained in the constant pressure by CFD software. Finally, the optimal mold core put into the complex hole could be designed after these simulations. The results show that the shear forces and strain rates change sharply on the entire surface if no mold core is inserted into the complex hole, whereas they hardly make any difference when the core shape is similar to the complex hole. Three experimental types of mold core were used. The results demonstrate that the similar shape of the mold core inserted into the hole could find the uniform roughness on the surface. © 2009 The Nonferrous Metals Society of China.en_US
dc.languageengen_US
dc.relation.ispartofTransactions of Nonferrous Metals Society of China (English Edition)en_US
dc.subjectAbrasive Flow Machiningen_US
dc.subjectPassagewayen_US
dc.subjectUniform Roughnessen_US
dc.titleUniform surface polished method of complex holes in abrasive flow machiningen_US
dc.typeArticleen_US
dc.identifier.emailLiu, CH:chliu@hkucc.hku.hken_US
dc.identifier.authorityLiu, CH=rp00152en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S1003-6326(10)60279-8en_US
dc.identifier.scopuseid_2-s2.0-77955691305en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77955691305&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume19en_US
dc.identifier.issueSUPPL. 1en_US
dc.identifier.spages250en_US
dc.identifier.epages257en_US
dc.identifier.scopusauthoridWang, AC=18042759000en_US
dc.identifier.scopusauthoridTsai, L=36912105800en_US
dc.identifier.scopusauthoridLiang, KZ=12781373000en_US
dc.identifier.scopusauthoridLiu, CH=36065161300en_US
dc.identifier.scopusauthoridWeng, SH=18042699000en_US

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