{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/83793"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/83793","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"On the Modeling and Analysis of Machining Performance in Microendmilling","abstract":"The surface generation process in the micro-endmilling of both single phase and multi-phase workpiece materials was also examined. 508 micron diameter endmills with edge radii of 2 and 5 microns were used to machine slots in ferrite, pearlite and two ductile iron materials at feedrates ranging from 0.25 to 3.0 microns/flute. A surface generation model to predict the surface roughness for the slot floor centerline is then developed based on the minimum chip thickness concept. Two phenomena were found to combine to generate an optimal feedrate for the surface generation of single phase materials, the geometric effect of the tool and process geometry and the minimum chip thickness effect. The surface roughness measurements for the ductile iron workpieces indicate that the micro-milling surface generation process for multi-phase workpiece materials is also affected by the interrupted chip formation process as the cutting edge moves between phases resulting in burrs at the phase boundaries and the associated increases in surface roughness.","abstract_html":"The surface generation process in the micro-endmilling of both single phase and multi-phase workpiece materials was also examined. 508 micron diameter endmills with edge radii of 2 and 5 microns were used to machine slots in ferrite, pearlite and two ductile iron materials at feedrates ranging from 0.25 to 3.0 microns/flute. A surface generation model to predict the surface roughness for the slot floor centerline is then developed based on the minimum chip thickness concept. Two phenomena were found to combine to generate an optimal feedrate for the surface generation of single phase materials, the geometric effect of the tool and process geometry and the minimum chip thickness effect. The surface roughness measurements for the ductile iron workpieces indicate that the micro-milling surface generation process for multi-phase workpiece materials is also affected by the interrupted chip formation process as the cutting edge moves between phases resulting in burrs at the phase boundaries and the associated increases in surface roughness.","abstract_has_math":false,"creators":["Vogler, Michael Patrick"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Mechanical Engineering","degree_department":null,"school":null,"contributors":["DeVor, Richard E.","Kapoor, Shiv G."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T21:12:07Z","date_published":"2015-09-25T21:12:07Z","updated_at":"2026-07-22T22:26:21Z","subjects":["Engineering, Industrial"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3086208"],"render_values":[{"text":"(MiAaPQ)AAI3086208","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/83793","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["DeVor, Richard E.","Kapoor, Shiv G."]},{"key":"dc:creator","label":"Author","values":["Vogler, Michael Patrick"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T21:12:07Z","10000-01-01","2003"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Mechanical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engineering, Industrial"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/83793","(MiAaPQ)AAI3086208"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The surface generation process in the micro-endmilling of both single phase and multi-phase workpiece materials was also examined. 508 micron diameter endmills with edge radii of 2 and 5 microns were used to machine slots in ferrite, pearlite and two ductile iron materials at feedrates ranging from 0.25 to 3.0 microns/flute. A surface generation model to predict the surface roughness for the slot floor centerline is then developed based on the minimum chip thickness concept. Two phenomena were found to combine to generate an optimal feedrate for the surface generation of single phase materials, the geometric effect of the tool and process geometry and the minimum chip thickness effect. The surface roughness measurements for the ductile iron workpieces indicate that the micro-milling surface generation process for multi-phase workpiece materials is also affected by the interrupted chip formation process as the cutting edge moves between phases resulting in burrs at the phase boundaries and the associated increases in surface roughness.","Made available in DSpace on 2015-09-25T21:12:07Z (GMT). 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A surface generation model to predict the surface roughness for the slot floor centerline is then developed based on the minimum chip thickness concept. Two phenomena were found to combine to generate an optimal feedrate for the surface generation of single phase materials, the geometric effect of the tool and process geometry and the minimum chip thickness effect. The surface roughness measurements for the ductile iron workpieces indicate that the micro-milling surface generation process for multi-phase workpiece materials is also affected by the interrupted chip formation process as the cutting edge moves between phases resulting in burrs at the phase boundaries and the associated increases in surface roughness.","Made available in DSpace on 2015-09-25T21:12:07Z (GMT). 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