Development of a Highly Efficient Manufacturing Method for a Plastic Intake Manifold
Date Published: 2002-03-04
Paper Number:2002-01-0605
DOI: 10.4271/2002-01-0605
Citation:
Chuubachi, M., Douke, K., Hiraishi, M., Motou, Y. et al., "Development of a Highly Efficient Manufacturing Method for a Plastic Intake Manifold," SAE Technical Paper 2002-01-0605, 2002, doi:10.4271/2002-01-0605.
A plastic intake manifold has been developed for the new QR engine. This manifold has an intricate shape owing to its performance and layout requirements. The die slide injection (DSI) method was selected to manufacture this complicated shape using the world's first application of a common mold forming technique for a three-piece structure. This paper describes the manufacturing technology and the measures adopted to ensure the strength of welded parts, which is a key point of this method. The benefits obtained by applying this plastic intake manifold to the new engine are also described.
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