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Aluminum alloy for manufacturing die-casting cylinder head covers and die-casting cylinder head cover

A cylinder head cover and aluminum alloy technology, which is applied in the field of aluminum alloy materials, can solve the problems of unstable process, deformation, under-casting and other problems of content deviation, and achieve the effects of bright appearance, good toughness and long service life.

Inactive Publication Date: 2015-04-08
GUIYANG GUANGHANG CASTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The given range of aluminum alloys with existing specifications is relatively wide, and some have no lower limit value. During use, due to excessive content deviation, the process is unstable, and problems such as mold sticking, undercasting, and deformation are also prone to occur.

Method used

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  • Aluminum alloy for manufacturing die-casting cylinder head covers and die-casting cylinder head cover

Examples

Experimental program
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Effect test

Embodiment 1

[0031] The aluminum alloy used to manufacture the die-casting cylinder head cover in this embodiment includes the following components by weight percentage: Si: 10.5%, Cu: 1.5%, Fe: 0.8%, Mg: 0.15%, Zn: ≤ 1.0%, Mn: ≤0.5%, Ti≤0.3%, the rest is Al and a small amount of unavoidable impurities.

[0032] The aluminum alloy used to manufacture the die-cast cylinder head cover in this embodiment is made by the following method: put pure aluminum into an aluminum melting furnace, and then add a specified amount of alloy into the aluminum melting furnace after the pure aluminum is melted.

[0033] The aluminum alloy of the present invention is suitable for the manufacture of die-cast cylinder head covers, especially as figure 1 Manufacture of die-cast cylinder head cover with camshaft cover function shown. The finished product has bright appearance, no sticky mold, high strength, good toughness and long service life.

Embodiment 2

[0035] The aluminum alloy used to manufacture the die-casting cylinder head cover in this embodiment includes the following components by weight percentage: Si: 12%, Cu: 2.5%, Fe: 1.1%, Mg: 0.3%, Zn: ≤ 1.0%, Mn: ≤0.5%, Ti≤0.3%, the rest is Al and a small amount of unavoidable impurities.

Embodiment 3

[0037] The aluminum alloy used to manufacture the die-casting cylinder head cover in this embodiment includes the following components by weight percentage: Si: 11%, Cu: 2.0%, Fe: 1%, Mg: 0.2%, Zn: ≤ 1.0%, Mn: ≤0.5%, Ti≤0.3%, the rest is Al and a small amount of unavoidable impurities.

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Abstract

The invention discloses an aluminum alloy for manufacturing a die-casting cylinder head covers, which comprises the following compositions in percentage by weight: 10.5-12% of Si, 1.5-2.5% of Cu, 0.8-1.1% of Fe, 0.15-0.3% of Mg, less than or equal to 1.0% of Zn, less than or equal to 0.5% of Mn, less than or equal to 0.3% of Ti, and the balance of AL and unavoidable impurities. The aluminum alloy is particularly applicable to the manufacturing of die-casting cylinder head covers, can improve the stability of the production process and the quality of products; and a die-casting cylinder head cover manufactured by using the aluminum alloy disclosed by the invention is bright in appearance, high in strength, good in toughness and long in service life, and has no mold sticking.

Description

technical field [0001] The invention relates to an aluminum alloy material, in particular to an aluminum alloy used for manufacturing a die-casting cylinder head cover, and also to a die-casting cylinder head cover made of aluminum alloy. Background technique [0002] The cylinder head cover is a cover on the cylinder head. Its material is cast iron, plastic and aluminum alloy. Its functions are as follows: 1. General function, covering and sealing the cylinder head, keeping the oil inside , and isolate pollutants such as dirt and moisture from the outside at the same time; 2. Oil and gas separation, the oil and air are separated, and oil mist will be formed during the operation of the engine, and the colder inner surface of the cylinder head cover will gather oil mist. Allows the oil to condense and flow back down into the oil pan. 3. Ventilation and exhaust gas recycling. When the piston moves in the cylinder, the internal pressure of the engine will accumulate. If the pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02
CPCC22C21/02F02F7/00F05C2201/903
Inventor 许国中
Owner GUIYANG GUANGHANG CASTING
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