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Influência da microgeometria do gume obtido por retificação sobre a vida útil da ferramenta e a qualidade superficial da peça para o processo de fresamento
(2019-12-17)
In machining, process productivity and reliability are precepts of industrial manufacturing. In the cutting process, edge micro geometry influences the wear behavior and tool life, as well as influences the quality of the ...
Desenvolvimento de ensaio dinamométrico em escala reduzida para sistema de freio de sapata ferroviária
(2019-12-16)
This work was aimed at the development of a small scale test for a railway shoe brake system. Bibliographic research on the scale test phenomena was carried out, building a prototype alternative and analysing its applicability ...
Avaliação da preparação de gume através do processo de escovação para aplicação em fresamento de topo reto
(2019-12-17)
The condition of the cutting edge is of great importance to the machining process. After the wedge is made, the cutting edge may be defective, burr, and micro chipping. Edge preparation is an alternative that can be performed ...
Desenvolvimento de um condensador cascata de CO2 e R-404A
(2020-07-15)
In a simple cascade subcritical refrigeration system, working with CO2 as a refrigerant fluid in the low-pressure side with direct expansion, it?s necessary a heat exchanger to do the condensation. This condenser, of shell ...
Projeto e implementação de uma microturbina hidráulica Pelton em uma barragem de pequeno porte de uma propriedade rural
(2020-08-12)
The use of energy contained in fluids has been fundamental for the development of humanity. Nowadays, with the growing demand for energy, hydroelectric projects with low manufacturing cost and easy installation become an ...
Análise de desempenho e emissões de um motor ciclo diesel operando com fumigação de água e etanol super-hidratado
(2020-07-17)
In this work, it has been investigated experimentally the thermomechanical behavior and those that affect a single cylinder ignition engine, operating in original conditions, with water fumigation at the intake manifold ...
Avaliação de um injetor automotivo para geração de gotas no estudo do processo de resfriamento do núcleo de reatores nucleares a água pressurizada
(2020-07-15)
In order to improve an experimental workbench used to study the heat and mass transfer of a Pressurized Water Reactor (PWR) during a loss-of-coolant accident (LOCA) at sub-channel scale, has been emerged a demand for the ...
Análise dos fatores influenciadores na não conformidade dimensional do processo de dobramento
(2020-07-25)
Sheet metal occupies a significant portion in mechanical construction, and its transformation largely goes through the forming process, more specifically bending. Avoiding waste and consequently reducing costs is a necessity ...
Reprojeto da manga de eixo dianteira para veículo Baja SAE
(2020-07-28)
The Baja SAE project focuses on encouraging students from participating universities to demonstrate and improve the knowledge acquired throughout the course, through the baja vehicle competition. Competition that evaluates ...
Avaliação de um sistema de fixação em poltronas de um ônibus urbano
(2020-07-28)
The present work studied the bolted joint used to fix the feet of seats on the floor of a bus used in urban public transport. Ensuring the integrity of the seat fastening is essential for the safety of bus passengers, since ...