Rotating member, housing, bearing, gearbox, rotating machine, shaft structure, and surface treatment method

A technology of rotating parts and chassis, applied in the direction of machines/engines, mechanical equipment, bearing components, etc., can solve problems such as wear and frequent
CN1826478AInactive Publication Date: 2006-08-30IHI CORP +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
IHI CORP
Publication Date
2006-08-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

In a rotation member (5) rotatably engaged with a housing (3), a pulsing electric discharge is generated in a processing liquid or in a gas, between an electrode and the rotation member (5). The electrode is a chemical compound from metallic powder or metal, or a molded body formed by molding ceramic powder, or a molded body obtained by heating the molded body. Energy of the electric discharges causes coating to be formed on an engagement portion (15) engaging the housing (3), the coating formed from the material of the elctrode or a substance to which the electrode material combined by the energy of the electric discharges.
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Description

technical field

[0001] The present invention relates to a bearing of a rotating body, for example, at the junction of a case of a gear box and a rotating part of the gear box, a molded body formed of metal compound powder or the like is used as an electrode, and pulses are generated between the electrode and the rotating part It is related to the formation of a protective film of the electrode material at the junction by the discharge of the discharge.

[0002] It is also related to the structure and surface treatment method of the shaft of the variable stator vane equipped on the compressor of the gas turbine, or the variable turbine nozzle of the turbocharger, and its surface treatment method. The shaft is equipped with a wear-resistant, lubricating coating structure and its surface treatment method. Background technique

[0003] Figure 6 It is a cross-sectional view showing a schematic structure of an accessory, a driving device, and a gear box 200 .

[0004] Depending...

Claims

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