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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 ...
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 ...
Influências do revestimento no desgaste da ferramenta no processo hobbing
(2018-04-11)
The high demand of the industries, together with the need for high efficiency, promotes technological advances in the area of machining. Machining tool coverings come to meet this need, increasing the durability, and ...
Efeito do tratamento da microgeometria de ferramentas com revestimento diamantado no fresamento de eletrodo de grafite
(2018-05-02)
The rising need for manufacturing molds with increasingly smaller deadlines and costs is demanding from the toolmakers to customize and enhance their fabrication processes. One of the ways to achieve that is by improving ...
Influência da vazão e pressão do fluído lubrirrefrigerante na afiação de brocas de aço-rápido M2
(2019-11-29)
This work presents a study on the influence of the pressure and flow intensity of the lubricatingfluid on the external cylindrical grinding process. For the analysis results, the machining conditions were maintained constant, ...
Monitoramento do desgaste da ferramenta no processo de fresamento de aço P20 através da medição da potência do motor
(2020-11-24)
This master's thesis proposes to develop a tool wear monitoring system during the machining process by measuring the electrical power of the spindle motor. Direct measurement methods are more reliable, but can only be used ...
Análise da influência dos parâmetros de processo no fresamento de Inconel 718 sobre o desgaste e a qualidade superficial
(2018-04-11)
Nickel alloys have the ability to resist extreme conditions, as a result, they are in evidence among different industrial areas. Nickel alloys milling is often associated with high manufacturing costs and low productivity. ...
Determinação do intervalo de máxima eficiência na usinagem de tambores de freio fundido cinzento SAE J431 G3500 com ferramentas de CBN
(2023-04-07)
This dissertation aims to identify the range of maximum efficiency in the machining of brake drums made from gray cast iron SAE J431 G3500. For this determination, distinct groups of brake drums were machined with cutting ...