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Aluminum alloy gearbox casing

A technology of aluminum alloy and gearbox, which is applied in the direction of gearbox, metal material coating process, transmission parts, etc., can solve the problems that are difficult to meet, and achieve the effect of improving corrosion resistance, weather resistance and anti-fouling performance, and simple composition

Inactive Publication Date: 2015-08-26
JIANGSU JINPAI AUTOMOTIVE PARTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To further expand the application of aluminum alloy materials in automobile structures and powertrain systems, the existing preparation methods and manufacturing processes of aluminum alloy castings have been difficult to meet this requirement

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] An aluminum alloy gearbox case, comprising a lower case and an upper case connected to the lower case, the inner surfaces of the upper case and the lower case are coated with a layer of zirconia-based ceramic material, and the outer parts of the upper case and the lower case are The surface is coated with heat-resistant paint,

[0029] The upper box and the lower box are made of aluminum alloy, and the chemical composition of the aluminum alloy is (percentage by weight): Sn: 10%, Cu 8%, Mg: 4%, Si: 2%, Ti: 1%, Ni 0.7%, Zn: 0.5%, Mn: 0.2%, Zr: 0.07%, Ce: 0.03%, Mo: 0.05%, Ca: 0.06%, Ag: 0.08%, and the balance is Al and unavoidable impurities;

[0030] The preparation method of the upper box and the lower box includes the following steps: according to the above-mentioned chemical composition of the aluminum alloy, the aluminum ingot is first added to the melting furnace, and the furnace temperature is controlled at 720 ° C. After the aluminum ingot is melted, the temperat...

Embodiment 2

[0035] An aluminum alloy gearbox case, comprising a lower case and an upper case connected to the lower case, the inner surfaces of the upper case and the lower case are coated with a layer of zirconia-based ceramic material, and the outer parts of the upper case and the lower case are The surface is coated with heat-resistant paint,

[0036] The upper box and the lower box are made of aluminum alloy, and the chemical composition of the aluminum alloy is (percentage by weight): Sn: 11%, Cu 9%, Mg: 5%, Si: 3%, Ti: 2%, Ni 0.8%, Zn: 0.6%, Mn: 0.3%, Zr: 0.08%, Ce: 0.04%, Mo: 0.06%, Ca: 0.07%, Ag: 0.09%, and the balance is Al and unavoidable impurities;

[0037] The preparation method of the upper box and the lower box includes the following steps: according to the above-mentioned chemical composition of the aluminum alloy, the aluminum ingot is first added to the melting furnace, and the furnace temperature is controlled at 720 ° C. After the aluminum ingot is melted, the temperat...

Embodiment 3

[0042] An aluminum alloy gearbox case, comprising a lower case and an upper case connected to the lower case, the inner surfaces of the upper case and the lower case are coated with a layer of zirconia-based ceramic material, and the outer parts of the upper case and the lower case are The surface is coated with heat-resistant paint,

[0043] The upper box and the lower box are made of aluminum alloy, and the chemical composition of the aluminum alloy is (percentage by weight): Sn: 10-11%, Cu 8.5%, Mg: 4.5%, Si: 2.5%, Ti: 1.5% , Ni 0.75%, Zn: 0.55%, Mn: 0.25%, Zr: 0.075%, Ce: 0.035%, Mo: 0.055%, Ca: 0.065%, Ag: 0.085%, and the balance is Al and unavoidable impurities;

[0044] The preparation method of the upper box and the lower box includes the following steps: according to the above-mentioned chemical composition of the aluminum alloy, the aluminum ingot is first added to the melting furnace, and the furnace temperature is controlled at 720 ° C. After the aluminum ingot is ...

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Abstract

An aluminum alloy gearbox casing comprises a lower casing body and an upper casing body connected with the lower casing body. The inner surface of the upper casing body and the inner surface of the lower casing body are coated with zirconium-oxide ceramic material layers, and the outer surface of the upper casing body and the outer surface of the lower casing body are coated with heat resisting paint; a passivated surface treatment process is carried out on aluminum alloy of the component, the problem that any surface black dots appear is solved, and the obtained surfaces are tidy; and due to the fact that the inner surfaces of the casing bodies are in long-term contact with oil of a gearbox, and can be damaged, the inner surfaces of the aluminum alloy casing bodies are coated with zirconium-oxide coatings, and the anti-corrosion performance is improved.

Description

technical field [0001] The invention relates to an aluminum alloy gearbox case, belonging to the technical field of auto parts. Background technique [0002] In the fierce competition in the world automobile market, all countries are developing in the direction of high quality, high reliability, light weight, energy saving and low cost. In terms of materials, it is lightweight, replacing some steel (iron) parts with aluminum alloys, in order to meet the requirements of high-quality, low-cost development of automobiles; in terms of technology, it is scientific, using advanced technology to replace traditional technology to achieve The purpose of improving blank precision, reducing machining allowance, reducing raw material consumption, and reducing cost. To further expand the application of aluminum alloy materials in automobile structures and powertrain systems, the existing preparation methods and manufacturing processes of aluminum alloy castings have been difficult to me...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22C1/03C22F1/04C22C1/06C23C22/34F16H57/02C04B35/48
CPCC04B35/48C04B35/481C04B35/62222C04B2235/3418C04B2235/3826C04B2235/3843C08K3/04C08K3/22C08K3/34C08K3/346C08K13/02C08K2003/2227C08K2201/011C08L2201/08C09D5/18C09D183/04C22C1/026C22C1/03C22C1/06C22C21/00C22C21/003C22F1/002C22F1/04C23C22/34F16H57/032
Inventor 高旋
Owner JIANGSU JINPAI AUTOMOTIVE PARTS CO LTD
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