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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.
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.
Aluminum alloy gearbox casing
GAO XUAN (author)
2015-08-26
Patent
Electronic Resource
English
IPC:
C22C
Legierungen
,
ALLOYS
/
C04B
Kalk
,
LIME
/
C22F
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS
,
Verändern der physikalischen Struktur von Nichteisenmetallen oder Nichteisenlegierungen
/
C23C
Beschichten metallischer Werkstoffe
,
COATING METALLIC MATERIAL
/
F16H
Getriebe
,
GEARING
Analysis of Statics and Transient Responses on Automotive Gearbox Casing
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