Browse Publications Technical Papers 2002-01-0605
2002-03-04

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