Development of a Highly Efficient Manufacturing Method for a Plastic Intake Manifold

Chuubachi, Minoru; Douke, Katsuji; Hiraishi, Moriji; Motou, Yoshiki; Hashimoto, Tomihito

doi:10.4271/2002-01-0605

Cited by 2 publications

(3 citation statements)

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“…TABELA 01 -Vantagens/Desvantagens dos principais métodos para fabricação de um coletor de admissão plástico (CHUUBACHI et al, 2002) (CAULFIELD et al, 1999) FIGURA 01. Transmissão da força aplicada no pistão ao eixo do automóvel (Department of the Army, 1985).…”

Section: Lista De Tabelasunclassified

“…TABELA 01 -Vantagens/Desvantagens dos principais métodos para fabricação de um coletor de admissão plástico (CHUUBACHI et al, 2002).…”

Section: -Variáveis Que Influenciam O Rendimento Volumétricounclassified

“…derretido e removido, restando apenas o produto injetado. As desvantagens deste processo resumem no alto custo de investimento e toxicidade da liga de metal Chuubachi et al (2002),. estudou o método DSI na fabricação de um coletor de admissão composto por três partes.…”

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Aspectos a serem considerados no desenvolvimento de um coletor de admissão plástico soldado por vibração

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Intake manifold project is essential to achieve the best internal combustion engine performance, and, therefore, several parameters should be considered during it development. For instance, an uneven air distribution lead to uneven cylinder volumetric efficiency, power loss and increased fuel consumption. On the other hand, pressures variations within intake manifold due to air flow transient effects could substantially increase or decrease the engine performance. Nowadays, in Brazil, the majority of the intake manifolds are fabricated from nylon with glass fiber which provides weight reduction, wall friction reduction and complex internal geometries. However, new factors become important like structural integrity reduction and withstand to burst pressure. This work presents the mainly development stages of a plastic intake manifold vibration welded. First, the basic intake manifold dimensions are defined through one-dimensional simulation. From this, three-dimensional model is built considering the engine compartment space available and aspects which allows injection and welding process of manifold shells. Then, intake manifold internal geometry is optimized to minimize air flow losses, increasing the volumetric efficiency. Intake manifold structural integrity and welding quality should de evaluated to withstand customer requirements. Confirming the intake manifold drawing through tests with prototype parts, production tooling is started.

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Section: Lista De Tabelasunclassified

“…TABELA 01 -Vantagens/Desvantagens dos principais métodos para fabricação de um coletor de admissão plástico (CHUUBACHI et al, 2002).…”

Section: -Variáveis Que Influenciam O Rendimento Volumétricounclassified

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