KR100865070B1 - Hybrid composite shoulder bearing and method for manufacturing the same and rotor system having hybrid composite shoulder bearing - Google Patents

Abstract

A hybrid composite shoulder bearing and a method for manufacturing the same and a rotor system having the same are provided to reduce manufacturing costs by preventing deformation of a main shaft. A hybrid composite shoulder bearing comprises a metallic supporting member(41), and a composite liner(42). The metallic supporting member fixed to a fixed body has two upper ends inclined downward. The composite liner includes a carbon fiber polymer layer laminated on the upper surface of the supporting member and a coating layer formed on the upper surface of the carbon fiber polymer layer. A glass fiber polymer layer is also formed between the supporting member and the carbon fiber polymer layer.

Description

HYBRID COMPOSITE SHOULDER BEARING AND METHOD FOR MANUFACTURING THE SAME AND ROTOR SYSTEM HAVING HYBRID COMPOSITE SHOULDER BEARING}

The present invention relates to a hybrid composite shoulder bearing, a method for manufacturing the same, and a rotating system having a hybrid composite shoulder bearing. More particularly, the present invention relates to protecting a surface of a spindle by applying a main shaft to a journal bearing of the rotating system. The present invention relates to a hybrid composite shoulder bearing, a method for manufacturing the same, and a rotating body system having a hybrid composite shoulder bearing.

The rotating system of a ship equipped with a journal bearing using oil as a lubricating fluid generally has a structure as shown in FIG. The main shaft 1 which transmits power is supported by a journal bearing 2 composed of a liner 2a and a housing 2b, and a propeller 3 is mounted at the tip of the main shaft 1. In order to install the spindle 1 in the journal bearing 2, the spindle 1 must be pushed in at one end of the journal bearing 2.

Marine shoulder bearings are bearings installed at the inlet of the bearing in order to prevent the white metal liner of the journal bearing from being damaged by the inclination of the main shaft when the main shaft is installed in the journal bearing. At this time, the height of the shoulder bearing is adjusted so that the contact line between the white metal liner and the main shaft coincides with the contact line between the shoulder bearing and the main shaft. When the spindle moves along the bearing surface, there should be less friction and no damage to the surface of the spindle. The material of the shoulder bearing requires a relatively lower hardness and a lower coefficient of friction than the material of the spindle to protect the surface of the spindle and reduce friction when the spindle moves.

Widely used as a material for shoulder bearing liners, white metal is an alloy composed of antimony and copper in tin or lead, and has a lower hardness and a lower coefficient of friction than that of the main shaft. In direct contact with the main shaft can be fixed by frictional heat. In addition, in the case of a rotary system using a new material spindle such as a composite material spindle, since the composite material has a relatively lower hardness than the white metal, the main shaft is susceptible to damage by friction with the white metal.

This white metal is mainly used as a material of the liner of the journal bearing, in which the bonding with the backup metal is made by centrifugal casting. Centrifugal casting is a method in which molten metal is injected into a cylindrical mold rotating at a high speed, and solidified in a state in which the molten metal is in close contact with the inner surface of the mold by centrifugal force to obtain a cylindrical casting. However, since centrifugal casting is not applicable to planar bearings such as shoulder bearings, they are cast using die casting. Diecasting is a method of injecting molten or semi-molten alloys at high speed by applying pressure to a mold, so that the dimensional accuracy is high and the machining can be largely omitted. Thus, it is suitable for mass production of parts requiring precision of dimensions. However, the production cost is very high because the mold value is high when the production amount is small and applied to various types of shoulder bearings. In addition, peeling may occur because the adhesive force with the backup metal may be lowered due to bubble generation.

In order to solve the problems of the white metal shoulder bearing, an ultra high molecular polyethylene resin having excellent abrasion resistance and impact resistance and a low friction coefficient is used. However, the ultrahigh molecular polyethylene has a problem in that it is difficult to adhere to the backing metal by making it in the form of a liner because it does not adhere well with other materials. In addition, there is a problem that the manufacturing cost increases when the whole shoulder bearing is made of ultra-high molecular polyethylene. In addition, there is a problem in that deformation occurs when supporting a high load of the main shaft because the rigidity is inferior to the metal or carbon fiber composite material.

The present invention has been proposed to solve the above-mentioned problems, and an object of the present invention is to provide a hybrid composite shoulder bearing which can protect the surface of the spindle and reduce friction when the spindle is installed in the journal bearing of the rotating system. And a method of manufacturing the same and a rotor system having a hybrid composite shoulder bearing.

It is another object of the present invention to provide a hybrid composite shoulder bearing, a method for manufacturing the hybrid composite shoulder bearing, and a hybrid composite shoulder bearing, in which deformation does not occur when supporting a high load of the main shaft.

Still another object of the present invention is to provide a hybrid composite shoulder bearing, a method for manufacturing the hybrid composite shoulder bearing, and a rotating system having a hybrid composite shoulder bearing, which can reduce manufacturing costs.

The hybrid composite shoulder bearing according to the first aspect of the present invention for achieving the above objects is fixed to the fixed body, the support member of the metal material in which both ends of the upper surface is inclined downward; And a composite material liner comprising a carbon fiber polymer composite layer laminated on an upper surface of the support member and a coating layer formed on an upper surface of the carbon fiber polymer composite layer.

In another aspect, the hybrid composite shoulder bearing according to the first aspect of the present invention is fixed to the fixed body, both ends of the upper surface is inclined downward, the support member of the metal material formed with a groove on the upper surface; It characterized in that it comprises a composite material liner consisting of a carbon fiber polymer composite material layer accommodated in the groove of the support member, and a coating layer formed on the upper surface of the carbon fiber polymer composite material layer.

The carbon fiber polymer composite layer is composed of one or more of carbon fiber phenolic composites, carbon fiber epoxy composites, carbon fiber polyethylene composites, carbon fiber polyester composites, and carbon fiber polyamide composites. A glass fiber polymer composite layer may be further included between the support member and the carbon fiber polymer composite layer. The carbon fiber polymer composite layer is mixed with nano-scale or micro-scale powder made of one or more of polyether ether ketone, carbon black, molybdenum oxide, and polytetrafluoroethylene. At this time, the powder is gradually reduced from the inner surface of the carbon fiber polymer composite material layer toward the outer surface along the thickness direction.

In addition, the coating layer is made of a film formed on the carbon fiber polymer composite layer by co-cured joining polyether ether ketone, carbon black, molybdenum oxide, polytetrafluoroethylene, polyphenylene sulfide powder. Here, 'co-curing bonding' means that when the composite material is cured, bonding with other materials is performed simultaneously using the resin in the composite material.
In addition, the coating layer may be made of a thermoplastic resin film to which polyether ether ketone, carbon black, molybdenum oxide, polytetrafluoroethylene, polyphenylene sulfide powder is added. The thermoplastic resin film consists of polyethylene resin or polyamide resin. Further, the coating layer may be made of a polyetheretherketone film or a polytetrafluoroethylene film, and the film surface is subjected to plasma surface activation.
Plasma surface modification treatment is intended to change or improve adhesion properties prior to coating, painting, and bonding, most of which is a high molecular material and a weakly ionized oxygen plasma is used. In the present invention, the plasma surface modification treatment is performed in order to improve the adhesive property between the film constituting the coating layer and the carbon fiber polymer composite layer and to increase the bonding strength of the interface.

In the method of manufacturing a hybrid composite shoulder bearing according to the second aspect of the present invention, a carbon fiber polymer composite layer having a coating layer is laminated on an upper surface of a support member made of a metal material having both ends of the upper surface inclined downward, and the support member and carbon The fiber polymer composite layer is made of a closed mold using a top mold and a side mold, and then co-cured by applying high temperature and high pressure using a hot press.

Alternatively, the method of manufacturing a hybrid composite shoulder bearing according to a second aspect of the present invention, the carbon fiber polymer composite material layer having a coating layer is laminated on the upper surface of the support member of the metal material in which both ends of the upper surface is inclined downward, A vacuum bag is installed on the support member to surround the carbon fiber polymer composite layer, and a vacuum bag is applied to the carbon fiber polymer composite layer to adhere to the upper surface of the support member. It is characterized in that the vacuum bag is removed after the co-cure bonding into the autoclave.

The glass fiber polymer composite material layer may be further laminated between the upper surface of the support member and the carbon fiber polymer composite material layer. The carbon fiber polymer composite layer is composed of one or more of carbon fiber phenolic composites, carbon fiber epoxy composites, carbon fiber polyethylene composites, carbon fiber polyester composites, and carbon fiber polyamide composites. The carbon fiber polymer composite layer is mixed with nano-scale or micro-scale powder made of one or more of polyether ether ketone, carbon black, molybdenum oxide, and polytetrafluoroethylene. At this time, the powder is preferably gradually reduced from the inner surface of the carbon fiber polymer composite material layer toward the outer surface along the thickness direction.

The coating layer is formed of a film formed on the carbon fiber polymer composite layer by co-curing polyether ether ketone, carbon black, molybdenum oxide, polytetrafluoroethylene, and polyphenylene sulfide powder. In addition, the coating layer may be made of a thermoplastic resin film to which polyether ether ketone, carbon black, molybdenum oxide, polytetrafluoroethylene, polyphenylene sulfide powder is added. In addition, the coating layer may be made of a polyetheretherketone film or a polytetrafluoroethylene film, and the film surface is subjected to plasma surface modification.

In another method, the hybrid composite shoulder bearing manufacturing method according to the second aspect of the present invention, the upper surface of the support member of the metal material in which both ends of the upper surface is inclined downward, laminated with a fiber preform having a coating layer, the support member and The fiber preform is formed into a closed mold using a top mold and a side mold, and then resin is injected into the mold to impregnate the resin between the fiber preforms, and high temperature air is injected into the mold to cure the fiber preform impregnated with the resin. It is done. When the hot air is injected into the mold, it is preferable to connect the inside of the mold and the vacuum pump to further apply vacuum.

A rotating body system having a hybrid composite shoulder bearing according to a third aspect of the present invention includes: a stationary body; A journal bearing fixed to the fixed body to support the main shaft to rotate; When the main shaft is installed in the journal bearing is characterized in that it comprises a hybrid composite shoulder bearing is installed on the fixture to prevent the main shaft from tilting. The contact line between the liner and the main shaft of the journal bearing is located coaxial with the contact line between the composite liner and the main shaft of the hybrid composite shoulder bearing. Hybrid composite shoulder bearings are installed in a pair in the fixed body, a pair of hybrid composite shoulder bearings are installed at a predetermined distance along the circumferential direction of the main shaft to prevent the main shaft from moving left and right.

According to the rotating system having a hybrid composite shoulder bearing and a manufacturing method and a hybrid composite shoulder bearing according to the present invention having such a configuration, when the main shaft is installed in the journal bearing of the rotating system to protect the surface of the main shaft It has the effect of reducing friction.

In addition, according to the rotating body system having a hybrid composite shoulder bearing, a manufacturing method thereof, and a hybrid composite shoulder bearing according to the present invention, there is an effect that deformation does not occur when supporting a high load of the main shaft.

Furthermore, according to the rotating composite system having the hybrid composite shoulder bearing, the manufacturing method thereof, and the hybrid composite shoulder bearing according to the present invention, the manufacturing cost can be reduced.

Hereinafter, the hybrid composite shoulder bearing according to the preferred embodiments of the present invention, a manufacturing method thereof, and a rotating body system having the hybrid composite shoulder bearing will be described in detail with reference to the accompanying drawings.

Hybrid composite shoulder bearings according to a first aspect of the invention are shown in FIGS. 4 shows a first embodiment of a hybrid composite shoulder bearing according to a first aspect of the invention. 2 and 4, when the main shaft 10 is installed in the journal bearing 20, a support for supporting the main shaft 10 in the fixture 32 fixed by welding to a fixed body 30 such as a ship. The member 41 is fastened with the bolt B. FIG. At this time, the fastener 32 and the support member 41 are formed with fastening holes 32a and 41a, respectively. In addition, the support member 41 is made of a metal material so as to support when the excessive load is applied to the shoulder bearing 40 by the main shaft (10). In addition, the support member 41 is formed such that both ends of the upper surface are inclined downward to alleviate the concentration of stress when the main shaft 10 is inclined.

As shown in FIGS. 4 and 6, the composite liner 42 is formed of the carbon fiber polymer composite layer 42b and the carbon fiber polymer composite layer 42b stacked on the upper surface of the support member 41. It is made of a coating layer 42a formed on the upper surface. In addition, a glass fiber polymer composite layer 42c may be further included between the support member 41 and the carbon fiber polymer composite layer 42b. The glass fiber polymer composite material layer 42c is excellent in impact resistance, and the manufacturing cost can be reduced because the cost is lower than that of the carbon fiber polymer composite material layer 42b.

Carbon fiber polymer composite layer 42b is carbon fiber phenolic composite, carbon fiber epoxy composite, carbon fiber polyethylene composite, carbon fiber polyester composite, carbon fiber poly with high strength and rigidity and excellent friction and wear characteristics. It consists of one or more of the amide composites. In order to improve impact resistance and abrasion resistance, the carbon fiber polymer composite layer 42b is mixed with nanoscale or microscale powder made of one or more of polyetheretherketone, carbon black, molybdenum oxide, and polytetrafluoroethylene. At this time, the powder gradually decreases from the inner surface of the carbon fiber polymer composite layer 42b to the outer surface along the thickness direction in order to reduce the interlayer strength decrease. The composite material thus formed is a filler gradient functional composite material (Filler-Gradient). Functional Composite).

Considering the case where the application environment is a marine vessel, the coating layer 42a is made of polyether ether ketone, carbon black, molybdenum oxide, Polytetrafluoroethylene, polyphenylene sulfide powder is co-cured joining (co-cured joining) consisting of a film coated on the carbon fiber polymer composite layer 42b.

Alternatively, the coating layer 42a may be made of polyetheretherketone, carbon black and molybdenum oxide in order to improve the indentation properties of the wear particles of the thermosetting polymer composite material having a relatively high surface hardness compared to the ultra high molecular polyethylene used as the bearing material. , Polytetrafluoroethylene, polyphenylene sulfide powder may be added to the thermoplastic resin film. In this case, the thermoplastic resin film uses a polyethylene resin or a polyamide resin having a low melting point in consideration of wear resistance, waterproof properties, and ease of processing. After mixing the thermoplastic resin and the friction agent, a film having a thickness of approximately 20 μm is formed by using a hot press.

Alternatively, the coating layer 42a may be made of a polyetheretherketone film or a polytetrafluoroethylene film, and the film surface may be plasma surface activated to enhance the interfacial strength between the thermosetting resin and the thermoplastic resin. Becomes

5 shows a second embodiment of a hybrid composite shoulder bearing according to the first aspect of the invention. 2 and 5, when the main shaft 10 is installed in the journal bearing 20, a support for supporting the main shaft 10 is provided in the fixture 32 fixed by welding to a fixed body 30 such as a ship. The member 41 is fastened with the bolt B. FIG. At this time, the fastener 32 and the support member 41 are formed with fastening holes 32a and 41a, respectively. In addition, the support member 41 is made of a metal material so as to support when the excessive load is applied to the shoulder bearing 40 by the main shaft (10). The support member 41 is formed such that both ends of the upper surface are inclined downward to alleviate the concentration of stress when the main shaft 10 is inclined. In addition, a groove 41b is formed on the upper surface of the support member 41.

As shown in FIG. 5, the composite liner 42 includes the carbon fiber polymer composite layer 42b accommodated in the groove 41b of the support member 41 and the top surface of the carbon fiber polymer composite layer 42b. It is made of a coating layer (42a) formed in. The composite liner 42 is accommodated in the groove 41b formed in the upper surface of the support member 41 to prevent delamination that may occur at the edge due to external impact. In addition, the glass fiber polymer composite layer 42c may be further included between the support member 41 and the carbon fiber polymer composite layer 42b as in the first embodiment. Since the contents of the composite liner 42 overlap with the above-described first embodiment, detailed description thereof will be omitted.

On the other hand, the manufacturing method of the shoulder bearing according to the second aspect of the present invention is shown in Figs. 7 shows a first embodiment of a method of manufacturing a shoulder bearing according to a second aspect of the present invention. Referring to Figure 7, the upper surface of the carbon fiber polymer composite material layer of the prepreg form the coating layer is formed on the upper surface of the support member 41 of the metal material inclined downward (hereinafter referred to as 'composite material prepreg') ( 43) are laminated. The support member 41 and the composite material prepreg 43 are made in the form of a closed mold by using the upper mold 52 and the side mold 54. Then, a hot press is used to apply co-curing by applying high temperature and high pressure.

However, when simultaneous curing of the hybrid composite shoulder bearing is difficult, the composite prepreg 43 may be manufactured first, and then the composite material prepreg 43 and the support member 41 may be bonded using an adhesive. In addition, the release agent is first applied before the composite material prepreg 43 is laminated on the support member 41 to facilitate demolding after molding.

Meanwhile, the glass fiber polymer composite material layer may be further stacked between the upper surface of the support member 41 and the composite material prepreg 43. Composite prepreg 43 is composed of one or more of carbon fiber phenolic composite, carbon fiber epoxy composite, carbon fiber polyethylene composite, carbon fiber polyester composite, carbon fiber polyamide composite. The composite material prepreg 43 is mixed with nanoscale or microscale powders made of one or more of polyetheretherketone, carbon black, molybdenum oxide, and polytetrafluoroethylene. At this time, the powder is mixed according to the gradient functional composite material manufacturing method which gradually decreases from the inner surface of the composite material prepreg 43 to the outer surface along the thickness direction.

The coating layer consists of a film coated on a composite prepreg by co-curing polyether ether ketone, carbon black, molybdenum oxide, polytetrafluoroethylene, and polyphenylene sulfide powder. Alternatively, the coating layer may be made of a thermoplastic resin film to which polyether ether ketone, carbon black, molybdenum oxide, polytetrafluoroethylene, polyphenylene sulfide powder is added. Alternatively, the coating layer may consist of a polyetheretherketone film or a polytetrafluoroethylene film, and the film surface is subjected to plasma surface modification.

8 shows a second embodiment of a method of manufacturing a shoulder bearing according to a second aspect of the present invention. Referring to FIG. 8, a carbon fiber polymer composite layer of a prepreg type (hereinafter, referred to as a composite material prepreg) having a coating layer formed on an upper surface of a support member 41 made of a metal material having both ends of the upper surface inclined downward ( 43) are laminated. A vacuum bag 62 is installed on the support member 41 to surround the composite material prepreg 43, and a sealant 64 is placed between the vacuum bag 62 and the support member 41 to form the vacuum bag 62. And the sealing member 41 is completely sealed. Vacuum is applied to the vacuum bag 62 to bring the composite prepreg 43 into close contact with the upper surface of the support member 41. The composite material prepreg 43 is put in close contact with the support member 41 in an autoclave and co-cured to remove the vacuum bag 62. Since the contents of the composite material prepreg 43 and the coating layer overlap with the above-described first embodiment, detailed description thereof will be omitted.

9 and 10 show a third embodiment of a method of manufacturing a shoulder bearing according to a second aspect of the present invention. 9 and 10, a fiber preform 45 having a coating layer is stacked on an upper surface of the support member 41 made of a metal material having both ends of the upper surface inclined downward. The support member 41 and the fiber preform 45 are made in the form of a closed mold by using the upper mold 72 and the side mold 74. Then, resin R is injected into the molds 72 and 74 to impregnate the resin R between the fiber preforms 45, and high temperature air is injected into the molds 72 and 74 to impregnate the resin R. The preform 45 is cured. When the hot air is injected into the molds 72 and 74, a vacuum may be further applied by connecting the interior of the molds 72 and 74 and the vacuum pump P. FIG.

This will be described in detail below. In the center of the support member 41, a resin inlet 41c capable of transferring the resin R is formed. In addition, a groove (not shown) in which an o-ring 46 may be positioned is formed around the support member 41 so as to be completely sealed with the side mold 74. The air outlet 72a which can apply a vacuum is formed in the center of the upper metal mold | die 72. As shown in FIG. In the side mold 74, the upper mold 72 and the mold fastening hole 74a for making a closed mold are formed, and the O-ring accommodating groove 74b is formed in the upper part. Resin (R) is injected into the resin inlet (41c) using a resin injector composed of an air inlet tube (82), an air inlet valve (84), a resin storage tank (86), and a discharge valve (86b). At this time, the resin (R) is heated to about 60 ℃ to lower the viscosity to be injected to lower the pressure required for resin transfer. The vacuum pump P is connected to the air outlet 72a of the upper mold 72 to apply vacuum to the molds 72 and 74 to smoothly impregnate the resin R, and to form the molds 72 and 74. Bubbles are removed to maintain a high fiber volume fraction. In case the part of the resin R is discharged together with the air discharged to the outside, a resin recovery tank 88 is installed between the air outlet 72a and the vacuum pump P to recover the resin R that has escaped. do. After impregnating the resin (R), the molds 72 and 74 are heated and cured to complete the process. Reference numeral 86a is a resin outlet.

On the other hand, a rotor system having a hybrid composite shoulder bearing according to a third aspect of the invention is shown in FIGS. 2 and 3. 2 and 3, the fixed body 30 refers to a portion formed on a ship or the like by a metal housing. The fixture 32 is fixed to the fixed body 30 by welding. The journal bearing 20 is fixed to the fixing body 30 to support the main shaft 10 so as to rotate. The journal bearing 20 is stacked on the inner surface of the cylindrical housing 24 and the housing 24 to contact the main shaft 10. It consists of a liner 22. The hybrid composite shoulder bearing 40 is fastened with a bolt B to the fixture 32 of the fixture 30 to prevent the spindle 10 from tilting when the spindle 10 is installed in the journal bearing 20. do.

The contact line between the liner 22 and the main shaft 10 of the journal bearing 20 is positioned coaxially with the contact line between the composite liner 42 and the main shaft 10 of the hybrid composite shoulder bearing 40. It is desirable to. In addition, the hybrid composite shoulder bearing 40 is installed in a pair in the fixed body (30). The pair of hybrid composite shoulder bearings 40 are installed at a predetermined distance along the circumferential direction of the main shaft 10 to prevent the main shaft 10 from moving left and right. The number of installation of such hybrid composite shoulder bearings can be selectively changed as necessary. Since the hybrid composite shoulder bearing 40 has already been described in the above embodiments, a detailed description thereof will be omitted.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be apparent to those of ordinary skill in the art.

According to the hybrid composite shoulder bearing according to the present invention, a manufacturing method thereof, and a rotating body system having a hybrid composite shoulder bearing, the overall structure and manufacturing method are simple, and thus the time and manufacturing cost required for the manufacturing process can be reduced. Will be.

1 is a cross-sectional view showing a rotating system equipped with a conventional journal bearing,

2 is a cross-sectional view illustrating a state in which a main shaft is mounted on a journal bearing of a rotating body system using a shoulder bearing according to a first aspect of the present invention;

3 is a cross-sectional view taken along line III-III of FIG. 2;

4 is a perspective view showing a first embodiment of a shoulder bearing according to the first aspect of the present invention;

5 is a perspective view showing a second embodiment of a shoulder bearing according to the first aspect of the present invention;

6 is a cross-sectional view showing a composite liner in the shoulder bearing according to the first aspect of the present invention;

7 is a cross-sectional view showing a first embodiment of a method of manufacturing a shoulder bearing according to a second aspect of the present invention;

8 is a cross-sectional view showing a second embodiment of a method of manufacturing a shoulder bearing according to a second aspect of the present invention;

9 is a sectional view showing a third embodiment of a method of manufacturing a shoulder bearing according to a second aspect of the present invention;

Fig. 10 is a sectional view showing the arrangement of a device used in the third embodiment of the method for manufacturing a shoulder bearing according to the second aspect of the present invention.

Explanation of symbols on the main parts of the drawings

10: spindle 20: journal bearing

22: liner 24: housing

30: fixture 32: fixture

40: shoulder bearing 41: support member

41a: Fastening hole 41b: Composite liner accommodating groove

41c: resin injection hole 42: composite material liner

43: composite prepreg 45: fiber preform

46: O-ring 52: Top mold for hot press molding

54 side mold for hot press molding 62 vacuum bag

64 sealant 72 top plate mold for resin transfer molding

72a: air outlet 74: side mold for resin transfer molding

82: air inlet tube 84: air inlet valve

86: resin storage tank 88: resin recovery tank

B: Bolt P: Vacuum Pump

R: Resin

Claims (24)

A support member made of metal, which is fixed to the fixed body and whose upper ends are inclined downward; Hybrid composite shoulder bearing comprising a composite material liner comprising a carbon fiber polymer composite layer laminated on the upper surface of the support member, and a coating layer formed on the upper surface of the carbon fiber polymer composite material layer. A support member made of a metal material fixed to the fixed body, and having both ends of the upper surface inclined downward, and having a groove formed on the upper surface; Hybrid composite shoulder bearing comprising a composite material liner comprising a carbon fiber polymer composite layer accommodated in the groove of the support member and a coating layer formed on the upper surface of the carbon fiber polymer composite material layer. The method according to claim 1 or 2, The carbon fiber polymer composite layer is a hybrid composite shoulder bearing consisting of at least one of carbon fiber phenolic composite, carbon fiber epoxy composite, carbon fiber polyethylene composite, carbon fiber polyester composite, carbon fiber polyamide composite. The method according to claim 1 or 2, Hybrid composite shoulder bearing further comprises a glass fiber polymer composite layer between the support member and the carbon fiber polymer composite layer. The method according to claim 1 or 2, The hybrid composite shoulder bearing in which the carbon fiber polymer composite layer is mixed with nano-scale or micro-scale powder made of at least one of polyether ether ketone, carbon black, molybdenum oxide, and polytetrafluoroethylene. The method of claim 5, wherein The powder is a hybrid composite shoulder bearing is gradually reduced from the inner surface of the carbon fiber polymer composite layer toward the outer surface in the thickness direction. The method according to claim 1 or 2, The coating layer is a hybrid composite material comprising a film formed on a carbon fiber polymer composite layer by co-curing joining polyether ether ketone, carbon black, molybdenum oxide, polytetrafluoroethylene, and polyphenylene sulfide powder Shoulder bearing. The method according to claim 1 or 2, The coating layer is a hybrid composite shoulder bearing consisting of a thermoplastic resin film to which polyether ether ketone, carbon black, molybdenum oxide, polytetrafluoroethylene, polyphenylene sulfide powder is added. The method of claim 8, The thermoplastic resin film is a hybrid composite shoulder bearing made of polyethylene resin or polyamide resin. The method according to claim 1 or 2, The coating layer is a polyether ether ketone film or a polytetrafluoroethylene film, the film surface is a hybrid composite shoulder bearing is plasma surface modification (Plasma Activation). On the upper surface of the support member made of a metal material in which both ends of the upper surface are inclined downward, a carbon fiber polymer composite layer having a coating layer is laminated. The method of claim 1, wherein the support member and the carbon fiber polymer composite layer are formed in a closed mold form by using a top mold and a side mold, and then co-cured joints are applied by hot and high pressure using a hot press. On the upper surface of the support member made of a metal material in which both ends of the upper surface are inclined downward, a carbon fiber polymer composite layer having a coating layer is laminated, and a vacuum bag is installed on the support member so as to surround the carbon fiber polymer composite layer. The vacuum was applied to the blank, the carbon fiber polymer composite material layer was brought into close contact with the upper surface of the support member, and the support member in which the carbon fiber polymer composite material layer was closely adhered was placed in an autoclave and co-cured to remove the vacuum bag. Hybrid composite shoulder bearing manufacturing method. The method according to claim 11 or 12, And a glass fiber polymer composite layer further laminated between the upper surface of the support member and the carbon fiber polymer composite layer. The method according to claim 11 or 12, The carbon fiber polymer composite layer is a hybrid composite shoulder bearing comprising at least one of carbon fiber phenolic composite, carbon fiber epoxy composite, carbon fiber polyethylene composite, carbon fiber polyester composite, and carbon fiber polyamide composite. Manufacturing method. The method according to claim 11 or 12, The method of manufacturing a hybrid composite shoulder bearing in which the carbon fiber polymer composite layer is mixed with nano-scale or micro-scale powder made of at least one of polyether ether ketone, carbon black, molybdenum oxide, and polytetrafluoroethylene. The method of claim 15, The powder is gradually reduced from the inner surface of the carbon fiber polymer composite material layer toward the outer surface in the thickness direction gradually producing a hybrid composite shoulder bearing. The method according to claim 11 or 12, The coating layer is a method of manufacturing a hybrid composite shoulder bearing comprising a film formed on a carbon fiber polymer composite layer by co-curing polyether ether ketone, carbon black, molybdenum oxide, polytetrafluoroethylene, polyphenylene sulfide powder. The method according to claim 11 or 12, The coating layer is a hybrid composite shoulder bearing manufacturing method comprising a thermoplastic resin film to which polyether ether ketone, carbon black, molybdenum oxide, polytetrafluoroethylene, polyphenylene sulfide powder is added. The method according to claim 11 or 12, The coating layer is made of a polyether ether ketone film or a polytetrafluoroethylene film, the film surface is a method of manufacturing a hybrid composite shoulder bearing is plasma surface modification treatment. On both sides of the upper surface of the support member made of metal, the upper end of which is inclined downward, a fiber preform having a coating layer is laminated, and the support member and the fiber preform are formed into a closed mold using a top mold and a side mold, and then resin And impregnating the resin between the fiber preforms and injecting hot air into the mold to cure the fiber preforms impregnated with the resin. The method of claim 20, The method of manufacturing a hybrid composite shoulder bearing for connecting the inside of the mold and the vacuum pump when the hot air is injected into the mold to further apply a vacuum. A fixture; A journal bearing fixed to the fixture to support the main shaft to rotate; A rotating body having a hybrid composite shoulder bearing comprising the hybrid composite shoulder bearing according to claim 1 or 2 installed on the fixed body to prevent the main shaft from tilting when the main shaft is installed on the journal bearing. system. The method of claim 22, A contact line between the liner of the journal bearing and the main shaft has a hybrid composite shoulder bearing positioned coaxially with the contact line between the composite liner of the hybrid composite shoulder bearing and the main shaft. The method of claim 22, The hybrid composite shoulder bearing is installed in a pair in the fixed body, the pair of hybrid composite shoulder bearing is installed to be spaced apart a predetermined distance along the circumferential direction of the main shaft to prevent the main shaft from moving left and right Rotor system with composite shoulder bearings.

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