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Aluminum alloy oil rail, forming method and manufacturing method thereof, engine and automobile

A molding method and manufacturing method technology, applied in the direction of engine components, machines/engines, mechanical equipment, etc., can solve the problems of high energy consumption, high processing cost, and stress sensitivity in the production process, so as to reduce the process cost and energy consumption, reduce The effect of rail weight and high elongation

Pending Publication Date: 2022-02-11
苏州星波动力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For a long time, the high-pressure oil rails of gasoline engines have been made of 304 stainless steel, and the high-pressure common rails of diesel engines have been made of forged alloy steel with higher strength. High cost and high energy consumption in the production process

Method used

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  • Aluminum alloy oil rail, forming method and manufacturing method thereof, engine and automobile
  • Aluminum alloy oil rail, forming method and manufacturing method thereof, engine and automobile
  • Aluminum alloy oil rail, forming method and manufacturing method thereof, engine and automobile

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Experimental program
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Effect test

Embodiment 1

[0066] The chemical composition of the aluminum alloy oil rail of this embodiment is calculated by mass percentage:

[0067] Zinc 5.6%, magnesium 1.8%, scandium 0.09%, and the balance is aluminum.

[0068] The aluminum alloy fuel rail provided in this embodiment is formed by compression molding, and the rod-shaped aluminum alloy blank is heated to 450° C. for compression molding.

Embodiment 2

[0070] The chemical composition of the aluminum alloy oil rail of this embodiment is calculated by mass percentage:

[0071] Zinc 6%, magnesium 2%, scandium 0.1%, erbium 0.01%, and the balance is aluminum.

[0072] The aluminum alloy fuel rail provided in this embodiment is formed by compression molding, and the rod-shaped aluminum alloy blank is heated to 470° C. for compression molding.

Embodiment 3

[0074] The chemical composition of the aluminum alloy oil rail of this embodiment is calculated by mass percentage:

[0075] Zinc 6%, magnesium 2%, scandium 0.5%, erbium 0.01%, copper 0.3%, manganese 0.35%, and the balance is aluminum.

[0076] The aluminum alloy fuel rail provided in this embodiment is formed by compression molding, and the rod-shaped aluminum alloy blank is heated to 460° C. for compression molding.

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Abstract

The invention relates to the technical field of engine part manufacturing, and discloses an aluminum alloy oil rail, a forming method and manufacturing method thereof, an engine and an automobile. The aluminum alloy oil rail comprises the following chemical components: 3-9% of zinc, 0.05-4% of magnesium, 0.01-2% of rare earth elements and the balance of aluminum. The forming method of the aluminum alloy oil rail comprises the step of forming an aluminum alloy blank with the same chemical composition as the aluminum alloy oil rail into an oil rail blank. The manufacturing method of the aluminum alloy oil rail comprises the forming method of the aluminum alloy oil rail. The aluminum alloy oil rail provided by the invention has the characteristics of light weight, high strength, high hardness, low production cost and the like. The engine comprises the aluminum alloy oil rail or the oil rail manufactured through the manufacturing method. The automobile comprises the engine.

Description

technical field [0001] The invention relates to the technical field of engine parts manufacturing, in particular to an aluminum alloy fuel rail, a forming method of the aluminum alloy fuel rail, a manufacturing method of the aluminum alloy fuel rail, an engine and an automobile. Background technique [0002] One of the core components of the engine fuel supply system is the fuel rail responsible for distributing fuel to each cylinder. The fuel rail needs to withstand high pressure oil pressure, and has corrosion resistance and sufficient thermal stability, and can withstand high internal fuel supply pressure. Frequency pressure shock is a life-long part of the engine. [0003] The current conventional oil rail structure is as follows: figure 1 As shown in the figure, the fuel rail mounting seat 1 in the figure: passes through the bolts and is used to install the fuel rail on the engine; the fuel injector mounting seat 2: installs the fuel injector base, thereby providing fu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M55/02C22C21/10C22F1/053
CPCF02M55/025C22C21/10C22F1/053
Inventor 朱波
Owner 苏州星波动力科技有限公司