Fixture and method for partial hard anodization of intake case
A hard anodized, air intake casing technology, applied in the direction of anodizing, coating, surface reaction electrolytic coating, etc., to achieve the effect of convenient clamping and dismounting, good sealing effect and simple fixture structure
Active Publication Date: 2019-04-02
CHINA HANGFA SOUTH IND CO LTD
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Problems solved by technology
[0011] The invention provides a local hard anodized fixture and protection method of the air intake case to solve the technical problem of the partial hard anodization protection of the air intake case
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[0041] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.
[0042] refer to Figure 2~3 , the preferred embodiment of the present invention provides that one aspect of the present invention provides a clamp for partial hard anodization of the intake casing, including a pull rod 100, a conductive plate for closing the upper end of the inner cavity main opening 30 of the intake casing 200 and the lower cover 300 used to close the lower end of the main opening 30, the two ends of the pull rod 100 are respectively connected to the conductive plate 200 and the lower cover 300, and at least one end is detachably connected, and the conductive plate 200 is provided with for hanging on the hard The conductive hook 400 on the conductor of the anodizing device.
[0043] The conductive hook 400 requires good electrical...
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The invention discloses a fixture and method for partial hard anodization of an air inlet casing. The fixture comprises a pull rod, an electroconductive plate for sealing the upper end of a main opening of an inner cavity of the air inlet casing, and a lower cover plate for sealing the lower end of the main opening. The two ends of the pull rod are connected with the electroconductive plate and the lower cover plate correspondingly with at least one of the two ends being in a detachable connection state. The electroconductive plate is provided with an electroconductive hook for hanging an electric conductor of a hard anodization device. According to the fixture partial hard anodization of the air inlet casing, the upper end of the main opening of the air inlet casing is sealed by the electroconductive plate, the lower end of the main opening of the air inlet casing is sealed by the lower cover plate, thus, the fixture is used by being matched with other protective structures during hard anodization, and the sealing effect is good. Meanwhile, the fixture is simple in structure and convenient to assemble and disassemble.
Description
technical field [0001] The invention relates to the field of partial hard anodization of an intake casing, in particular to a fixture for partial hard anodization of an intake casing. In addition, the present invention also relates to a protection method including the partial hard anodized clamp of the air intake casing. Background technique [0002] Hard anodizing of aluminum alloy is a thick-layer aluminum anodizing process. The oxide film produced has high hardness, has tiny pores, can absorb lubricants, and can significantly improve the wear resistance of the base metal. In order to improve the service life of aero-engines, local hard anodizing processes are usually used on the wear-resistant parts of aluminum alloy pistons, casings, bearing housings and other parts. The local hard anodizing process needs to protect the parts that do not need to be anodized. Due to the difference in the shape of the parts, in order to ensure the quality of the hard anodized film layer o...
Claims
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IPC IPC(8): C25D11/04
CPCC25D11/005C25D11/022C25D11/04
Inventor 任志华董杨张晓峰刘志勇张黎明李淑华朱春莉
Owner CHINA HANGFA SOUTH IND CO LTD