KR102015338B1 - Sliding member and method for manufacturing the same - Google Patents
Sliding member and method for manufacturing the same Download PDFInfo
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- KR102015338B1 KR102015338B1 KR1020140060201A KR20140060201A KR102015338B1 KR 102015338 B1 KR102015338 B1 KR 102015338B1 KR 1020140060201 A KR1020140060201 A KR 1020140060201A KR 20140060201 A KR20140060201 A KR 20140060201A KR 102015338 B1 KR102015338 B1 KR 102015338B1
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Abstract
The present invention relates to a sliding member and a method of manufacturing the same, and more particularly, by improving the structure and manufacturing process, it is possible to coat a lubricity solid film having excellent surface lubricity and wear resistance at a lower cost in a short time, and thereby, It is an object of the present invention to reduce manufacturing time and manufacturing cost and to obtain a sliding member having excellent mechanical performance.
In order to achieve the above object, the present invention provides a sliding member which slides in frictional contact with another member, comprising: a base material having fine irregularities formed on a surface thereof; A lubricious solid film coated on the surface of the base material, wherein the lubricious solid film is coated along the fine unevennesses of the base material to have a roughness of a specific size corresponding to the fine unevennesses, and corresponds to the uneven portion of the fine unevennesses. Oil pockets are formed at the portion.
Description
The present invention relates to a sliding member and a method of manufacturing the same, and more particularly, by improving the structure and manufacturing process, it is possible to coat a lubricity solid film having excellent surface lubricity and wear resistance at a lower cost in a short time, and thereby, The present invention relates to a sliding member and a method of manufacturing the same, which can reduce manufacturing time and manufacturing cost and obtain excellent mechanical performance.
The compressor for an air conditioner is equipped with many sliding members. Examples thereof include a swash plate, a sliding bearing, a shoe, a piston, and the like in a swash plate type compressor (hereinafter, the swash plate of the compressor will be described as an example as a sliding member). .
The swash plate is configured to linearly reciprocate the pistons of the compressor while rotating while maintaining a constant angle, and is configured to slide with the shoe portion of the pistons.
Since the swash plate slides with the pistons, high surface lubricity and high wear resistance are required. This is because the sliding movement with the pistons is smooth and it is not easily worn in the sliding process with the pistons.
On the other hand, as a method for improving the surface lubricity and abrasion resistance of the swash plate, there is a technique of forming a lubricity solid film on the surface of the swash plate.
This technique, as shown in Figure 1, pre-treat the metal base material 3 (hereinafter abbreviated as "base material") of the
This technique improves the surface lubricity and wear resistance of the
On the other hand, this conventional technique also forms an oil pocket 8 on the surface of the lubricity
The oil pocket 8 is formed by processing "grooves" on the surface of the lubricious
Thus, the frictional force generated between the
By the way, this conventional technique has a disadvantage in that it needs to have a large-scale baking facility because it uses the baking process in order to harden the lubricity
In particular, the calcining method of the lubricious
In addition, the conventional technique has a disadvantage in that since it is a structure for curing the lubricity
In particular, the lubricating
And because of this problem, there are drawbacks that various solvents and evaporative gases which failed to evaporate remain in the form of bubbles A in the inner part of the lubricious
And because of these defects, the thickness of the lubricity
And it is pointed out that the problem that the surface lubricity and abrasion resistance of the
On the other hand, in view of this, during the firing treatment of the lubricious
By the way, as shown in Fig. 2, in order to delay the surface hardening of the
And because of these disadvantages, the manufacturing time of the swash plate (1) is delayed, the manufacturing efficiency is lowered, as a result, the drawback that the manufacturing cost is inevitably increased has been pointed out.
In addition, since the prior art has a structure in which the oil pocket 8 is formed in the surface of the lubricity
And there is a problem in that the post-treatment equipment for the post-treatment process is necessary, and the manufacturing process of the swash plate (1) is increased. And because of these problems, there is a drawback that the manufacturing time of the
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to provide a sliding member and a method of manufacturing the same that can cure a lubricious solid coating efficiently without a large-scale firing facility.
Another object of the present invention is to configure the lubricating solid film can be cured efficiently without a large-scale firing equipment, it is possible to significantly reduce the curing treatment cost of the lubricating solid film, through which the cost reduction effect can be expected It is to provide a sliding member and a method of manufacturing the same.
Still another object of the present invention is to provide a sliding member and a method for manufacturing the same, which can dry and cure the entire thickness direction of the coating film at a uniform speed without variation in the drying and curing process of the lubricity solid coating film.
It is still another object of the present invention to provide a sliding member capable of preventing the phenomenon of hardening from the surface of the film and a method of manufacturing the same by configuring the entire lubricous solid film in the thickness direction to be dried and cured at a uniform rate. There is.
Still another object of the present invention is to provide a structure for preventing the phenomenon of hardening from the surface of the coating, thereby sliding the solvent and the evaporative gases in the coating during the curing process of the lubricating solid coating, and its sliding member It is to provide a manufacturing method.
Another object of the present invention is to prevent evaporative gases inside the film from being efficiently evaporated during drying and curing of the lubricious solid film, thereby preventing "bubble generation" inside the film due to the evaporative gases. It is to provide a sliding member and a method of manufacturing the same.
It is still another object of the present invention to provide the ability to prevent "bubble generation" in the film at the source, thereby "thickness phenomenon" of the lubricating solid film due to the "bubble", "deterioration of curing efficiency" of the film and In addition, the present invention provides a sliding member and a method of manufacturing the same, which can prevent the "adhesion deterioration phenomenon" of the coating on the base material.
It is still another object of the present invention to prevent the "thickness phenomenon" of the coating, the "curing efficiency reduction phenomenon" of the coating, and the "adhesion performance reduction phenomenon" of the coating, thereby preventing the surface lubricity of the lubricity solid coating. It is to provide a sliding member and a method of manufacturing the same that can significantly improve the wear resistance.
It is still another object of the present invention to provide a sliding member and a method of manufacturing the same, which can efficiently dry and cure a lubricating solid film in a short time without generating bubbles in the process of drying and curing the lubricating solid film.
Still another object of the present invention is to provide a drying member that can dry and cure a lubricating solid film within a short time without generating bubbles, thereby reducing the manufacturing time, thereby improving the manufacturing efficiency and the manufacturing method thereof. To provide.
Still another object of the present invention is to provide a sliding member and a method of manufacturing the same, which can form oil pockets on the surface of a lubricating solid film without a separate post-treatment step.
Another object of the present invention is to configure the oil pocket to form on the surface of the lubricating solid film without a post-treatment process, eliminating the need for a post-treatment facility for forming oil pockets, and shortening the overall manufacturing process. It is to provide a sliding member and a method of manufacturing the same.
Another object of the present invention, by eliminating the need for post-treatment equipment to form the oil pocket, to reduce the overall manufacturing process, it is possible to reduce the manufacturing time, thereby sliding the cost reduction effect can be expected It is to provide a member and a method of manufacturing the same.
In order to achieve the above object, the sliding member according to the present invention, the sliding member in sliding contact while frictional contact with the other member, the base material having fine irregularities formed on the surface; And a lubricity solid film coated on the surface of the base material, wherein the lubricity solid film is coated along the fine unevennesses of the base material to have a roughness of a specific size corresponding to the fine unevennesses. Oil pockets are formed in portions corresponding to the recesses of the grooves.
Preferably, the lubricity solid film is a fluorine resin material, characterized in that the surface of the base material is coated with a thickness in the range of 5.0 ~ 25.0㎛.
And the surface roughness of the said lubricity solid film has a range of Ra 0.60-1.50, It is characterized by the above-mentioned.
The sliding member may be at least one of a swash plate, a sliding bearing, a shoe, and a piston for the compressor.
The method for manufacturing a sliding member according to the present invention includes a method of manufacturing a sliding member that slides in frictional contact with another member, the method comprising: a) forming fine irregularities on a surface of a prepared base material; b) applying a lubricating solid coating material to a surface of said base material in a constant thickness; c) irradiating near-infrared rays to the lubricity solid coating material such that the lubricity solid coating material applied to the base material can be cured with a certain size of roughness along the fine unevennesses.
Preferably, in the step c), in the process of curing the lubricious solid coating material along the fine concave-convex, it is characterized in that the oil pocket (Oil Pocket) is formed in a portion corresponding to the groove portion of the fine concave-convex.
And in the step a), the surface roughness of the base material is characterized in that to form the fine concavo-convex so as to have a range of Ra 0.60 ~ 1.50.
And in step b), the lubricious solid coating material is applied to the surface of the base material in a thickness of 5.0 to 25.0㎛ range.
According to the sliding member and the manufacturing method thereof according to the present invention, since the lubricity solid film is cured through near-infrared irradiation, the lubricity solid film can be efficiently cured without a large-scale firing facility.
In addition, since the lubricating solid film can be cured efficiently without a large-scale firing facility, the cure treatment cost of the lubricating solid film can be significantly reduced, and thus, the effect of cost reduction can be expected.
Further, since the lubricious solid film is cured through near-infrared irradiation, in the drying and curing process of the lubricity solid film, there is an effect that the entire thickness direction of the film can be dried and cured at a uniform rate without variation.
Moreover, since it is a structure which can dry and harden the whole thickness direction of a lubricity solid film at a uniform speed, there exists an effect which can prevent the phenomenon which hardens from the surface of a film.
In addition, the structure that can prevent the phenomenon of curing from the surface of the film, there is an effect that the solvent and the evaporative gas inside the film can be efficiently evaporated in the curing process of the lubricating solid film.
In addition, since the evaporative gases in the film can be efficiently evaporated during the drying and curing of the lubricating solid film, there is an effect that can prevent the "bubble generation" inside the film due to the evaporative gases inherently.
In addition, since the structure that can prevent the "bubble generation" inside the film at the source, the "thickness phenomenon" of the lubricating solid film due to the "bubble", the "decrease in curing efficiency" of the film, and the coating of the film to the base material There is an effect that can prevent the "adhesion performance degradation phenomenon" at the source.
In addition, the film can be prevented from "thickness phenomenon" of the film, "curing efficiency deterioration" of the film, and "degradation of adhesion performance" of the film, thereby remarkably improving the surface lubricity and wear resistance of the lubricity solid film. There is an effect that can be improved.
In addition, during the drying and curing of the lubricity solid film, the lubricity solid film can be efficiently dried and cured within a short time without generation of bubbles, thereby reducing the manufacturing time of the sliding member, thereby improving the manufacturing efficiency of the sliding member. There is an effect that can be improved.
In addition, during the drying and curing of the lubricity solid film, since the oil pocket is automatically formed on the surface of the lubricity solid film, there is an effect that can be formed oil pocket without a separate post-treatment process.
In addition, since the oil pocket can be formed on the surface of the lubricating solid film without a separate post-treatment process, there is no need for a post-treatment facility for forming the oil pocket, and the overall manufacturing process can be shortened.
In addition, since it does not need a post-treatment facility for forming an oil pocket, and can reduce the overall manufacturing process, it is possible to shorten the manufacturing time, thereby reducing the cost can be expected.
1 is a view showing a conventional sliding member manufacturing method,
FIG. 2 is a graph showing a predetermined process of a lubricity solid film during a conventional sliding member manufacturing process, showing a curing process of the lubricity solid film with respect to firing temperature;
3 is a view showing a sliding member according to the present invention,
4 is a block diagram showing each step of the sliding member according to the present invention;
5 is a view sequentially showing each step of the manufacturing method of the sliding member according to the present invention;
FIG. 6 is a graph showing a curing process of a lubricity solid film through near infrared rays during a manufacturing process of a sliding member according to the present invention. FIG.
Hereinafter, preferred embodiments of the sliding member and a method of manufacturing the same according to the present invention will be described in detail with reference to the accompanying drawings.
First, referring to FIG. 3, the sliding member of the present invention has a
This
And the sliding member of this invention is equipped with the lubricity
The lubricity
Such a lubricious
The lubricity
On the other hand, since the lubricating
And the lubricating
In the lubricious
Thus, the oil stored in the
In addition, since the lubricious
On the other hand, such a lubricious
This is because, when the lubricious
Moreover, it is preferable that the surface roughness of the lubricity
This is because when the surface roughness of the lubricious
Next, the manufacturing method of the sliding member which has such a structure is demonstrated with reference to FIG.
First, in the method for manufacturing a sliding member of the present invention, the preformed
Preferably, when forming the fine concavo-convex 12 on the surface of the
This is to allow the surface roughness to correspond to the surface roughness Ra 0.60 to 1.50 of the
When the formation of the fine concavo-convex 12 is completed, the surface of the
When the cleaning of the
Preferably, the lubricity
On the other hand, when application | coating of a lubricating
Then, the lubricious
At this time, since the near infrared ray is a short wave type heat wave having a high penetration rate, the near infrared ray penetrates deeply into the lubricity
As the entire thickness direction of the lubricity
In particular, since the whole thickness direction of the
As a result, in the process of drying and curing the lubricious
In addition, since the entire thickness direction of the lubricious
In particular, unlike the prior art (see FIG. 2) in which the firing temperature is gradually raised for a long time for drying and curing the lubricity
Therefore, the manufacturing time of the sliding member is shortened, and through this, the manufacturing efficiency of the sliding member is significantly improved.
In addition, the lubricious
And the lubricating
In the lubricious
4 and 5 again, after the near-infrared irradiation of the lubricity
And the sliding
According to this invention of such a structure, since it is a structure which hardens the lubricity
In addition, since the lubricating
In addition, since the lubricious
Moreover, since it is the structure which can dry and harden the whole thickness direction of the lubricity
In addition, the structure that can prevent the phenomenon of curing from the surface of the
In addition, since the evaporative gases in the
In addition, since the structure that can prevent the "bubble generation" inside the
In addition, since it is a structure which can prevent the "thickness phenomenon" of the
In addition, during the drying and curing process of the lubricity
In addition, in the process of drying and curing the lubricity
In addition, since the
In addition, since the post-treatment facility for forming the
Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope of the claims.
10: base material 12: fine unevenness
12a: groove 20: lubricious solid film
20a: Lubricatable Solid Encapsulant 22: Oil Pocket
30: sliding member
Claims (8)
A base material 10 having fine concavities and convexities 12 formed on a surface thereof by sand blasting;
It includes a lubricating solid film 20 coated on the surface of the base material 10,
The lubricity solid film 20,
Coated along the fine concave-convex (12) of the base material 10 has a roughness of a specific size corresponding to the fine concave-convex (12), corresponding to the groove portion 12a of the fine concave-convex (12) Oil pockets 22 are formed at the portion to be formed,
The surface roughness of the lubricity solid film (20) has a range of Ra 0.60 to 1.50, characterized in that the sliding member.
The lubricity solid film 20,
Sliding member, characterized in that the material is coated with a thickness of 5.0 to 25.0㎛ range on the surface of the base material (10).
The sliding member is at least one of a swash plate, a sliding bearing, a shoe, and a piston for the compressor.
a) forming fine concavo-convex (12) on the surface of the prepared base material (10) through a sand blasting method;
b) applying a lubricating solid coating material (20a) to the surface of the base material (10) in a constant thickness;
c) the lubricating solid coating material 20a applied to the base material 10 to the lubricating solid coating material 20a so that the lubricity solid coating material 20a can be cured with a certain size roughness along the fine unevenness 12. Irradiating near infrared rays,
In step a),
Sliding member manufacturing method characterized in that to form the fine concave-convex (12) so that the surface roughness of the base material (10) has a range of Ra 0.60 to 1.50.
In step c),
In the process of hardening the lubricious solid coating material 20a along the fine unevennesses 12, oil pockets 22 are formed at portions corresponding to the recessed portions 12a of the fine unevenness 12. Sliding member manufacturing method characterized in that.
In step b),
The lubricating solid coating material (20a) is applied to the surface of the base material (10a) with a thickness in the range of 5.0 ~ 25.0㎛ characterized in that the sliding member manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140060201A KR102015338B1 (en) | 2014-05-20 | 2014-05-20 | Sliding member and method for manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140060201A KR102015338B1 (en) | 2014-05-20 | 2014-05-20 | Sliding member and method for manufacturing the same |
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| Publication Number | Publication Date |
|---|---|
| KR20150133884A KR20150133884A (en) | 2015-12-01 |
| KR102015338B1 true KR102015338B1 (en) | 2019-08-29 |
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| KR1020140060201A KR102015338B1 (en) | 2014-05-20 | 2014-05-20 | Sliding member and method for manufacturing the same |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180095249A (en) | 2017-02-17 | 2018-08-27 | 한온시스템 주식회사 | Rear head of swash plate compressor |
| KR20180095248A (en) | 2017-02-17 | 2018-08-27 | 한온시스템 주식회사 | Swash plate compressor and swash plate processing method |
| KR102080624B1 (en) | 2017-04-20 | 2020-02-25 | 한온시스템 주식회사 | Swash plate compressor |
| KR20190036040A (en) | 2017-09-27 | 2019-04-04 | 한온시스템 주식회사 | Swash plate type compressor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5176306B2 (en) * | 2006-11-08 | 2013-04-03 | アイシン精機株式会社 | Sliding member and method of manufacturing sliding member |
| JP2013167182A (en) * | 2012-02-15 | 2013-08-29 | Hitachi Automotive Systems Ltd | Method of producing piston of internal combustion engine |
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- 2014-05-20 KR KR1020140060201A patent/KR102015338B1/en active IP Right Grant
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5176306B2 (en) * | 2006-11-08 | 2013-04-03 | アイシン精機株式会社 | Sliding member and method of manufacturing sliding member |
| JP2013167182A (en) * | 2012-02-15 | 2013-08-29 | Hitachi Automotive Systems Ltd | Method of producing piston of internal combustion engine |
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| KR20150133884A (en) | 2015-12-01 |
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