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A face gear with layered structure and its realization method

A technology of layered structure and realization method, applied in belts/chains/gears, coatings, components with teeth, etc., can solve problems such as difficulty and increase in material cost, and achieve good wear resistance and high tooth surface hardness. , the effect of high toughness

Active Publication Date: 2018-02-23
刘晓雁
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

It is difficult for a material to have all the above characteristics at the same time, and it will also cause unnecessary increase in material cost

Method used

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  • A face gear with layered structure and its realization method
  • A face gear with layered structure and its realization method
  • A face gear with layered structure and its realization method

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0036] The embodiment of the present invention uses the laser cladding processing technology to realize the layered structure of the orthogonal offset face gear.

[0037] figure 1 It is a schematic diagram of the layered structure of the orthogonal offset face gear. The face gear tooth matrix 1 is processed on a special milling machine for face gears. According to the meshing size requirements of the face gear transmission and the thickness design of the cladding layer 2 on the tooth surface of the gear tooth, when the face gear tooth base 1 is milled, a certain thickness is reserved for the cladding layer 2 on the tooth surface of the gear tooth. The gear tooth surface cladding layer 2 can be a single-layer or multi-layer structure. When it is a single-layer structure, it should be ensured that the cladding layer material and the gear tooth ...

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Abstract

The invention relates to a face gear of a layered structure and an implementation method of the face gear. The face gear of the layered structure comprises a face gear tooth base body (1) and a gear tooth surface cladding layer (2). By selecting different materials, gear teeth have the graded distribution characteristic with hardness increasing gradually from inside to surface. The face gear tooth base body (1) and the gear tooth surface cladding layer (2) of different materials are combined into a whole through a laser cladding machining method. The gear tooth surface cladding layer (2) can be in a single-layer mode, and can also be in a multi-layer mode. When the face gear tooth surface cladding layer (2) is in the multi-layer mode, the distribution characteristic with hardness of the gear teeth increasing gradually is achieved by increasing the hard-phase content in cladding materials layer by layer or changing laser cladding process parameters. The adhesion wear resistance of the gear is enhanced, and the service life of the gear is prolonged.

Description

technical field [0001] The invention relates to a face gear with a layered structure and a realization method thereof, and belongs to the fields of aviation transmission technology and heavy-duty vehicle transmission technology. Background technique [0002] Aeronautical gear transmission system has the characteristics of large load, high speed, harsh working conditions and high precision requirements. This high-speed and heavy-load working condition makes the gear one of the weakest links in the transmission system, and it is also one of the main reasons for the failure of the transmission system. With the needs of national defense capabilities and the advancement of science and technology, the requirements for aviation transmission systems are getting higher and higher, not only requiring small size, light weight, low noise, but also high reliability and long service life. Face gear is a new type of transmission component, mainly used to transmit motion and power between ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H55/17F16H55/06C23C24/10
CPCC23C24/10F16H55/06F16H55/17
Inventor 王延忠臧春城陈燕燕唐文张以都
Owner 刘晓雁
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