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dc.contributor.authorKELLY, KEVINen
dc.contributor.authorO'DONNELL, GARRETen
dc.contributor.authorBUCKLEY, CONORen
dc.contributor.editorRobert Simpsonen
dc.date.accessioned2015-07-07T13:14:04Z
dc.date.available2015-07-07T13:14:04Z
dc.date.created3 - 5 Septen
dc.date.issued2008en
dc.date.submitted2008en
dc.identifier.citationKelly, K., Buckley, C., O'Donnell, G.E., Ervine, P., Surface Finish in Micro-drilling of PTFE, 25th International Manufacturing Conference, Dublin Institute of Technology, 3 - 5 Sept, Robert Simpson, 2008, 65 - 72en
dc.identifier.otherYen
dc.identifier.urihttp://hdl.handle.net/2262/74309
dc.descriptionPUBLISHEDen
dc.descriptionDublin Institute of Technologyen
dc.description.abstractSurface finish of engineering components pl ays a key role in their functionality, particularly where the size of the geometric feat ures of the component decreases. This paper reports on such an application – the drilling of micro-holes in PTFE during manufacture of molds for use in the bio-medical field. These mo lds are used for production of silicone scaffolds requiring very large aspect ratios – typical exam ples being to produce pillars/columns of 300 micron diameter and 15 mm length. The surface fi nish of the holes machined in the PTFE becomes critical in order to facilitate extractio n of the silicone from th e mold without damage. A systematic approach is used to determine th e optimum combination of machining parameters with respect to this goal. Furthermore, a novel approach to surface quality estimation is proposed. Direct methods of surface quality assessment in this a pplication are difficult due to the scale of the holes – conventional measuremen t methods are expensive, time-consuming and require destruction of the mold. In this work, the quality is inferred indirectly through measurement of the force required to extract the silicone from the mold. A simple apparatus to standardize the extraction procedure has been designed and built as part of this work.en
dc.format.extent65en
dc.format.extent72en
dc.language.isoenen
dc.rightsYen
dc.subjectsurface finishen
dc.subjectTissue Scaffolden
dc.subjectMicro-drillingen
dc.titleSurface Finish in Micro-drilling of PTFEen
dc.title.alternative25th International Manufacturing Conferenceen
dc.typeConference Paperen
dc.type.supercollectionscholarly_publicationsen
dc.type.supercollectionrefereed_publicationsen
dc.identifier.peoplefinderurlhttp://people.tcd.ie/kekellyen
dc.identifier.peoplefinderurlhttp://people.tcd.ie/cbuckleen
dc.identifier.peoplefinderurlhttp://people.tcd.ie/odonnegeen
dc.identifier.rssinternalid52668en
dc.rights.ecaccessrightsopenAccess
dc.subject.TCDThemeNext Generation Medical Devicesen
dc.identifier.orcid_id0000-0003-2939-2274en


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