{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/3390"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/3390","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Dedução do incremento das forças de corte dinâmico ortogonal e sua aplicação para previsão da carta de estabilidade, num modelo simplificado de máquina operatriz","abstract":"Presents the theoretical deduction of increment in the thrust and main cutting forces during dynamic orthogonal cutting process for continuous chip, taking iinto account that these forces are functions of two variables, namely the chip thickness and the shear angle. The dynsmic variation of the shear angle is introduced in this deduction. The equations for the prediction of the atability chart are deduced from the increment of forces. A simplified model of machine tool desig:ned with one degree of fredom in the direction of the main cutting velocity and constructed the atability chart and the unconditional stability curve of the model. This curve was compared with the unconditional stability curve, obtained from the exiating equations and with the experimental curve, obtained with the model of machine tool. Making use of the tool holder response, with a degree of fredom in the direction of the thrust force, from reference 13, the two theoretical curves of inconditional atability were again com pared, for the tool holder. Finally, the damping equationfor the prediction as instability was deduced, considering the parameters wich did not appear in the damping equation, deduced by S.A. Tobias16.","abstract_html":"Presents the theoretical deduction of increment in the thrust and main cutting forces during dynamic orthogonal cutting process for continuous chip, taking iinto account that these forces are functions of two variables, namely the chip thickness and the shear angle. The dynsmic variation of the shear angle is introduced in this deduction. The equations for the prediction of the atability chart are deduced from the increment of forces. A simplified model of machine tool desig:ned with one degree of fredom in the direction of the main cutting velocity and constructed the atability chart and the unconditional stability curve of the model. This curve was compared with the unconditional stability curve, obtained from the exiating equations and with the experimental curve, obtained with the model of machine tool. Making use of the tool holder response, with a degree of fredom in the direction of the thrust force, from reference 13, the two theoretical curves of inconditional atability were again com pared, for the tool holder. Finally, the damping equationfor the prediction as instability was deduced, considering the parameters wich did not appear in the damping equation, deduced by S.A. Tobias16.","abstract_has_math":false,"creators":["Ibañez Ruiz, Antonio"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Silva, Théo Furtado de Carvalho e"],"committee_chairs":[],"committee_members":[],"year":1972,"date_issued":"1972-01","date_published":"1972-01","updated_at":"2026-07-24T01:16:01Z","subjects":["Projeto mecânico","Ferramentas"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/3390","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Silva, Théo Furtado de Carvalho e"]},{"key":"dc:creator","label":"Author","values":["Ibañez Ruiz, Antonio"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2018-01-05T13:07:15Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:04:24Z"]},{"key":"dc:date.issued","label":"Date","values":["1972-01"]},{"key":"dc:publisher","label":"Institution","values":["Universidade Federal do Rio de Janeiro"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia"]},{"key":"dc:type","label":"Dc Type","values":["Dissertação"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Projeto mecânico","Ferramentas"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["por"]},{"key":"dc:rights","label":"Dc Rights","values":["Acesso Aberto"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11422/3390"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Presents the theoretical deduction of increment in the thrust and main cutting forces during dynamic orthogonal cutting process for continuous chip, taking iinto account that these forces are functions of two variables, namely the chip thickness and the shear angle. The dynsmic variation of the shear angle is introduced in this deduction. The equations for the prediction of the atability chart are deduced from the increment of forces. A simplified model of machine tool desig:ned with one degree of fredom in the direction of the main cutting velocity and constructed the atability chart and the unconditional stability curve of the model. This curve was compared with the unconditional stability curve, obtained from the exiating equations and with the experimental curve, obtained with the model of machine tool. Making use of the tool holder response, with a degree of fredom in the direction of the thrust force, from reference 13, the two theoretical curves of inconditional atability were again com pared, for the tool holder. Finally, the damping equationfor the prediction as instability was deduced, considering the parameters wich did not appear in the damping equation, deduced by S.A. Tobias16."]},{"key":"dc:title","label":"Title","values":["Dedução do incremento das forças de corte dinâmico ortogonal e sua aplicação para previsão da carta de estabilidade, num modelo simplificado de máquina operatriz"]}]}],"canonical_facts":{"dc:contributor.advisor":["Silva, Théo Furtado de Carvalho e"],"dc:creator":["Ibañez Ruiz, Antonio"],"dc:date.accessioned":["2018-01-05T13:07:15Z"],"dc:date.available":["2026-05-16T03:04:24Z"],"dc:date.issued":["1972-01"],"dc:description.abstract":["Presents the theoretical deduction of increment in the thrust and main cutting forces during dynamic orthogonal cutting process for continuous chip, taking iinto account that these forces are functions of two variables, namely the chip thickness and the shear angle. The dynsmic variation of the shear angle is introduced in this deduction. The equations for the prediction of the atability chart are deduced from the increment of forces. A simplified model of machine tool desig:ned with one degree of fredom in the direction of the main cutting velocity and constructed the atability chart and the unconditional stability curve of the model. This curve was compared with the unconditional stability curve, obtained from the exiating equations and with the experimental curve, obtained with the model of machine tool. Making use of the tool holder response, with a degree of fredom in the direction of the thrust force, from reference 13, the two theoretical curves of inconditional atability were again com pared, for the tool holder. Finally, the damping equationfor the prediction as instability was deduced, considering the parameters wich did not appear in the damping equation, deduced by S.A. Tobias16."],"dc:identifier.uri":["http://hdl.handle.net/11422/3390"],"dc:language":["por"],"dc:publisher":["Universidade Federal do Rio de Janeiro"],"dc:publisher.department":["Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia"],"dc:rights":["Acesso Aberto"],"dc:subject":["Projeto mecânico","Ferramentas"],"dc:title":["Dedução do incremento das forças de corte dinâmico ortogonal e sua aplicação para previsão da carta de estabilidade, num modelo simplificado de máquina operatriz"],"dc:type":["Dissertação"]},"updated_at":"2026-07-24T01:16:01Z"}