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Extrusion processing technology of cylinder block aluminum alloy section

An aluminum alloy profile, extrusion processing technology, applied in the field of aluminum alloy manufacturing, can solve the problems of high price of aluminum materials, affecting the performance of the cylinder block, complex manufacturing process, etc., to achieve superior performance, improve control performance, and reduce fuel consumption. Effect

Inactive Publication Date: 2012-06-13
CHINA ZHONGWANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the aluminum material is expensive; and the manufacturing process is complicated and difficult to control, which will easily affect the performance of the cylinder block and cause defects

Method used

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  • Extrusion processing technology of cylinder block aluminum alloy section
  • Extrusion processing technology of cylinder block aluminum alloy section
  • Extrusion processing technology of cylinder block aluminum alloy section

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1, a process for extrusion processing of aluminum alloy profiles of a cylinder block, comprising the following steps:

[0021] a. Cast rod ingredients: 6005 alloy is used, and the ratio of element mass percentage meets the following requirements;

[0022] the element

Si

Mg

Fe

Cu

mn

Cr

Ti

Zn

other

Al

content

0.70

0.55

0.25

0.05

0.05

0.05

0.05

0.05

0.10

the remaining

[0023] b. Casting rod smelting: Put the ingredients into the smelting furnace in turn for smelting. The furnace is controlled at 710°C, and the flux is used for refining and covering; after 60 minutes of feeding, when aluminum water appears in the furnace, start stirring, and then refining, grilling After the slag has obtained the qualified composition, pour the molten aluminum from the melting furnace into the holding furnace, keep the furnace temperature at 720°C for 20...

Embodiment 2

[0032] Embodiment 2, a process for extrusion processing of aluminum alloy profiles of a cylinder block, comprising the following steps:

[0033] a. Cast rod ingredients: 6005 alloy is used, and the ratio of element mass percentage meets the following requirements;

[0034] the element

Si

Mg

Fe

Cu

mn

Cr

Ti

Zn

other

Al

content

0.80

0.45

0.20

0.05

0.05

0.05

0.05

0.05

0.10

the remaining

[0035] b. Casting rod smelting: Put the ingredients into the melting furnace in turn for smelting. The furnace is controlled at 760°C, and the flux is used for refining and covering; after 30 minutes of feeding, when aluminum water appears in the furnace, start stirring, and then refining, grilling After the slag has qualified components, the molten aluminum is injected from the melting furnace into the holding furnace, and the furnace temperature is kept at 750°C for 30 ...

Embodiment 3

[0044] Embodiment 3, a process for extrusion processing of aluminum alloy profiles of a cylinder block, comprising the following steps:

[0045] a. Cast rod ingredients: 6005 alloy is used, and the ratio of element mass percentage meets the following requirements;

[0046] the element

Si

Mg

Fe

Cu

mn

Cr

Ti

Zn

other

Al

content

0.5

0.5

0.20

0.05

0.05

0.05

0.05

0.05

0.10

the remaining

[0047] b. Casting rod smelting: Put the ingredients into the smelting furnace in turn for smelting. The furnace is controlled at 730°C, and the flux is used for refining and covering; after 50 minutes of feeding, when aluminum water appears in the furnace, start stirring, and then refining, grilling After the slag has qualified components, pour the molten aluminum from the smelting furnace into the holding furnace, keep the furnace temperature at 740°C for 25 minutes, and t...

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Abstract

The invention discloses an extrusion processing technology of a cylinder block aluminum alloy section. The technology comprises the steps of: a. casting rod batching, b. casting rod melting, c. casting rod casting, d. homogenization treatment, e. casting rod surface treatment, f. casting rod heating, g. die heating, h. extrusion production, i. on-line quenching, and j. section aging. By strictly controlling all parameters of the technological steps, the technology can manufacture a high-quality aluminum alloy cylinder block section, which has superior performance, non-proportional extension strength up to over 245MPa, tensile strength up to over 290MPa, and elongation after fracture up to over 10%. The employment of an aluminum alloy cylinder block can substantially reduce vehicle weight,and can effective reduce fuel oil consumption as well as improve manipulation performance.

Description

technical field [0001] The invention relates to the field of aluminum alloy manufacturing, in particular to an extrusion processing technology of aluminum alloy profile of a cylinder block. Background technique [0002] In the prior art, the cylinders of automobile engines are mainly made of cast iron, and the biggest difference between the aluminum alloy cylinder block and it is the weight. The aluminum alloy engine can be half lighter than the cast iron engine. For a car, the total weight of the car body itself is not high, and the weight ratio of the engine cannot be ignored. The most direct effect of weight reduction is the enhancement of fuel consumption and convenience. The weight of the engine also directly affects the driving performance of the vehicle. Since most cars are front-wheel drive, if the weight of the front compartment is too heavy, the vehicle will cause excessive steering when cornering, and the braking distance will also be lengthened. The cylinder blo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/043C22C21/02
Inventor 刘兆伟李鹏伟孙巍高家乐耿玉环
Owner CHINA ZHONGWANG
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