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Efeito do tratamento da microgeometria de brocas helicoidais de metal-duro sobre a integridade superficial dos furos
(2014-07-10)
This work studied the effect of the meso and microgeometry of drills treatment on the surface integrity. The drilling process presents characteristics that render it a unique process under the thermal and mechanical ...
Otimização do fresamento de topo esférico de planos inclinados aplicando o método de algoritmos genéticos
(2014-07-10)
This dissertation presents an application of genetic algorithms in the optimization of cutting parameters on a ball end milling operation of inclined planes, considering four machining strategies and two different materials ...
Variação dimensional e microestrutural do aço AISI 4140 em peças usinadas por torneamento
(2015-10-07)
Dimensional deviation and surface quality are fundamental components for mechanical applications. The variables that influence these factors, the quantity of heat generated must be reduced in order to minimize their effects ...
Análise da qualidade superficial no fresamento de aço P20 com diferentes tratamentos de ferramentas e condições de lubrirrefrigerantes
(2016-12-20)
This work studied the effect of edge preparation and its interaction with minimum quantity of lubricant (MQL) application over the surface integrity of the workpiece and wear in milling. The necessity of high productivity ...
Caracterização da qualidade superficial em diferentes etapas do processo de polimento por rodas flap e buffing
(2016-10-21)
This work was aimed to the characterization of surfaces generated during the different stages of the polishing process with flap wheels and buffing. The process was designed based on a real situation of replacing a manual ...