Buscar
Itens para a visualização no momento 41-60 of 208
Análise das frequências naturais de serras circulares sob influência de tensionamento
(2019-07-22)
Excessive vibrations of circular saws are present in the cutting processes, causing possible injury to the operator, lower cutting quality and reduced tool life. The main goal of this work is to analyze the vibratory ...
Análise computacional do impacto da estrutura tubular de um veículo Baja SAE
(2020-03-04)
The baja SAE vehicles, tubular cage structures used on off-road competitions with obstacles, are yearly developed by teams composed of university students oriented by Professors to compete against another university teams ...
Influência da resistência dos metais de adição AWS A5.18: ER70S-6 e AWS A5.28: ER110S-G nas propriedades mecânicas aplicado em estruturas soldadas de prensas hidráulicas
(2019-07-19)
Frequently the structures of industrial machines, in this case, hydraulic presses, are manufactured with steel sheets with low carbon content and are joined through welding processes. These processes generate high heat, ...
Estudo de uma suspensão duplo a para um veículo Volkswagen fusca
(2019-12-13)
The purpose of this report was to study a double wishbone suspension for its use in the VW Beetle vehicle minimizing the difference with the original suspension parameters. The work began on modeling the place to be installed ...
Analise estrutural, operacional e geométrica para o reprojeto do eixo da calibração de uma formadora de tubos
(2019-12-16)
This work carried out at Panatlântica Tubos SA addresses the increase in the number of traction shaft breaks in the forming of a pipe maker and implements solutions to increase its service life. The flexural and torque ...
Estudo de viabilidade técnica e econômica para fabricação de pino de centro para feixe de molas
(2019-07-04)
The automotive sector has representativeness and influence in the current Brazilian economy and due to the poor quality of the highways in the country there is a decrease in the useful life of the components, especially ...
Desenvolvimento de cavalete para elevação e sustentação de eixos veiculares
(2019-07-15)
Road transport is the main resource for cargo transportation in Brazil, this sector has great relevance in the economic aspect. Due to the large number of vehicles circulating on Brazilian roads, the large number of workshops ...
Reprojeto de um conjunto de selagem de pacotes aplicando conceitos de PDP
(2019-07-08)
This paper describes the application of PDP concepts and tools in the redesign of a sealing assembly of a vertical packaging machine manufactured by a small company that wishes to adapt to the evolution of technology with ...
Desenvolvimento de um sistema alternativo de fixação de poltronas junto a lateral da carroceria de ônibus rodoviário
(2019-07-11)
The present work has the objective of developing an alternative system for fixing the seats of the Marcopolo buses, along the side of the body structure. In order to comply with this, design techniques such as the DFM, DFA ...
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 ...