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Swash plate of swash plate compressor

A compressor and swash plate technology, applied in the swash plate field of swash plate compressors, can solve problems such as deformation of mesophase small spheres

Active Publication Date: 2016-05-18
TAIHO INDUSTRIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the small mesophase spheres shown in the micrographs of the publication are significantly deformed from the spherical morphology

Method used

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  • Swash plate of swash plate compressor
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  • Swash plate of swash plate compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] Example 1-Graphite particle shedding test

[0083] As the raw material of the resin-based coating, the following materials are used.

[0084] (1) Flake graphite: manufactured by Japan Graphite Industry, average diameter 15μm, graphitization degree 0.75, average shape factor based on the aforementioned definition (Y AVE ) Is in the range of 1-10, and is widely distributed, with many particles deformed from a spherical shape.

[0085] (2) Spherical graphite: Spherical graphite manufactured by Japan Graphite Industry, with an average diameter of 10μm, a graphitization degree of 0.6, and an average shape factor based on the aforementioned definition (Y AVE ) In the range of 1 to 4, and the number ratio of shape factor (Y) = 1 to 1.5 is 80% or more.

[0086] (3) Polyamide-imide resin: HPC-6000-26 manufactured by Hitachi Chemical Co., Ltd.

[0087] The above-mentioned raw materials are blended as described below to prepare a coating material, and the coating material is applied on th...

Embodiment 2

[0106] Example 2-Test of Swash Plate Characteristics

[0107] The composition of the coating layer formed by the method of Example 1 was changed as shown in Table 1, the following solid lubricants were used, and the wear resistance and friction coefficient were measured under the following conditions.

[0108] (1) MoS 2 : Product of Sumiko Lubricant Co., Ltd., average particle size 1.5μm

[0109] (2) PTFE: manufactured by Kita Village, with an average particle size of 5μm or less

[0110] (3) WS 2 :Product of Japan Lubricant Co., Ltd., average particle size 2μm

[0111] (4) h-BN: Product of Denki Chemical Industry Co., Ltd., average particle size 10μm

[0112] (5) CF: Product of Sentral Glass, with an average particle size of 2μm

[0113] Speed: 9500rpm

[0114] Load: 519~1735N (increasing)

[0115] Atmosphere: mixed refrigerant / refrigerator oil, compressor suction atmosphere

[0116] Matching material: sliding shoes (SUJ2).

[0117] [Table 1]

[0118] .

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Abstract

The resin-based coating on the swash plate of the swash plate compressor, especially the variable capacity swash plate compressor, has both wear resistance and low friction. A swash plate (60) of a swash plate compressor, which is covered with a resin-based coating (112), and the resin-based coating (112) contains 5-60% by mass of spherical graphite (115b) with an average particle diameter of 5-50 μm , and the remainder is composed of one or two of polyimide resin and polyamideimide resin. Among the spherical graphite particles (115b), the average shape coefficient (YAVE) of particles excluding fine particles less than 0.5 times the average diameter is in the range of 1 to 4, and the shape coefficient (Y) = the range of 1 to 1.5 based on the following definition The number of particles present is more than 70%. YAVE=total[{PMi2 / 4πAi}] / i, Y=PM2 / 4πA Here, total is the sum of the values ​​in i [ ], PM is the perimeter of one particle, and A is the intercept of each particle area, i is the measured number.

Description

Technical field [0001] The present invention relates to a swash plate of a swash plate type compressor. More specifically, it relates to a swash plate of a swash plate type compressor coated with a resin-based sliding material. The resin-based sliding material is made of polyimide and / or polyamide The imine resin is bonded with graphite particles. Background technique [0002] In the following, the sliding characteristics of the swash plate compressor, the resin coating that covers the swash plate of the swash plate compressor, the resin sliding materials other than the swash plate compressor, the spherical carbonaceous material, and the graphite There are techniques to explain. [0003] Swash plate compressor [0004] The content described in Patent Document 1: JP 2003-183685 A is cited in figure 1 , Shows an example of the structure of a variable displacement swash plate compressor currently in use. In the figure, reference signs refer to the following parts, parts, or position...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B27/08F04B39/00
CPCF04B27/1063F04B27/18F05C2253/12F04B27/086F04B27/0882F04B27/1054F04B27/109Y10T74/18336F04B39/00F04B27/08F04B27/0895
Inventor 野村谕秋月政宪金光博
Owner TAIHO INDUSTRIES CO LTD