KR20110118256A - Solid lubricant embedded sliding bearing - Google Patents

Solid lubricant embedded sliding bearing Download PDF

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Publication number
KR20110118256A
KR20110118256A KR1020100037751A KR20100037751A KR20110118256A KR 20110118256 A KR20110118256 A KR 20110118256A KR 1020100037751 A KR1020100037751 A KR 1020100037751A KR 20100037751 A KR20100037751 A KR 20100037751A KR 20110118256 A KR20110118256 A KR 20110118256A
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KR
South Korea
Prior art keywords
plate
copper
solid lubricant
sliding bearing
copper plate
Prior art date
Application number
KR1020100037751A
Other languages
Korean (ko)
Inventor
김성희
최원호
Original Assignee
주식회사 에스지오
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Publication date
Application filed by 주식회사 에스지오 filed Critical 주식회사 에스지오
Priority to KR1020100037751A priority Critical patent/KR20110118256A/en
Publication of KR20110118256A publication Critical patent/KR20110118256A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1095—Construction relative to lubrication with solids as lubricant, e.g. dry coatings, powder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/14—Special methods of manufacture; Running-in

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

The present invention relates to a plate-type solid lubricant embedded sliding bearing, the sliding surface of the plate-type solid lubricant is sliding without the deformation of the plate even when used for a long time under high loads due to the increase in the load resistance while the wear surface of the mating material is less wear and lubrication is maintained A bearing, comprising: welding a copper plate within a predetermined thickness to a surface of a plate-shaped steel plate, forming a plurality of holes corresponding to the thickness of the copper plate only in the copper plate, and inserting a solid lubricant into each hole. It is done.

Description

SOLID LUBRICANT EMBEDDED SLIDING BEARING

The present invention relates to a plate-type solid lubricant embedded sliding bearing, and more particularly, to the sliding surface of the mating material is less deformation of the mating material and the lubricity is maintained, the plate type without deformation of the plate even if used for a long time under high load due to the increase in load resistance It relates to a solid lubricant embedded sliding bearing.

Conventional flat-type solid lubricant embedded sliding bearings, such as graphite, molybdenum disulfide (MoS 2 ) or tungsten disulfide (WS 2 ) solid lubricants such as lubricating oils, wax or other liquid or paste-like lubricants and binders such as resins The granular solid lubricant was prepared by inserting or embedding the granular solid lubricant into a plurality of grooves formed in a copper or copper alloy plate.

In this case, a plate made of copper or copper alloy (hereinafter, copper and brass, collectively referred to simply as “copper”) as a metal plate in which a solid lubricant is embedded is used. This is because the copper material has good ductility and malleability, but most of the counterparts in contact with the sliding surfaces of the sliding bearings such as journals and reciprocating devices are made of steel or alloy steel, so that the counterparts do not wear out by friction with these counterparts.

However, when the copper material is used as the metal plate of the plate-type solid lubricant embedded sliding bearing, there is a disadvantage in that it is weak in high loads (supporting load of 300-700kg / cm 2 or more). That is, the copper plate sliding bearing has a morphological deformation in the direction in which the load is applied when it is used for a long time under high load conditions, which increases the wear and friction to lose the function as the sliding bearing. Nevertheless, the use of steel, which is the same material as the counterpart, as the metal plate is never desirable since it will cause wear of the counterpart in a short time.

Applicant has developed a method for manufacturing a solid lubricant embedded sliding bearing which improves this point and registered as Korean Patent No. 10-789989. Korean Patent No. 10-789989 discloses a method for manufacturing a solid lubricant embedded sliding bearing in which a copper layer is formed on a surface of steel by copper powder, a through hole is formed through a steel layer and a copper layer, and a solid lubricant is inserted therein. . However, when the solid lubricant embedded sliding bearing is manufactured by this method, since the through hole is formed in the steel material, above all, deformation of the steel material is caused under high load, and the steel through hole forming process and the copper layer forming process are difficult to mass-produce. It has a hard disadvantage.

The present invention improves the invention of Korean Patent No. 10-789989, and the first problem to be solved by the present invention is a flat plate-like solid, which is improved in a form that can be easily formed without deformation even under a high load. A lubricant buried sliding bearing is provided.

A second problem to be solved by the present invention is to provide a flat-type solid lubricant embedded sliding bearing in which a very thin copper foil layer is welded to a steel plate so that welding is difficult.

The first object of the present invention described above is to weld a copper foil within a predetermined thickness to a flat steel plate surface, to form a plurality of holes corresponding to the thickness of the copper foil only on the copper foil, and to provide a solid lubricant for each hole Is achieved by insertion. The hole may be previously formed with a puncher before welding the copper foil.

The second object of the present invention described above is a state in which the copper plate is attached to the surface of the plate-shaped steel plate by welding a copper plate exceeding a predetermined thickness, and the plate-type steel plate and the plate are combined. Is achieved by forming a sheet within a predetermined thickness by pressurizing with a roller or a press from above or below and spreading only the copper plate solely.

According to the present invention having the above-described configuration, since the steel material is not perforated, processing is easy, and even when a very large load is applied to the sliding bearing, deformation does not occur in the steel material, and a very thin copper layer is easily and quickly. There is an effect that can be obtained.

1 is a perspective view of a flat-type solid lubricant embedded sliding bearing according to the present invention.
FIG. 2 is a cross-sectional view of the flat solid lubricant embedded sliding bearing shown in FIG. 1.
Figure 3a is a perspective view separately showing the steel plate and the copper plate used in the manufacture of the plate-type solid lubricant embedded sliding bearing according to the present invention.
3B is a perspective view of the steel plate and the copper plate shown in FIG. 3A by welding.
3C is a front view of the steel plate and the copper plate shown in FIG. 3B.
4 is a cross-sectional view showing a method of forming a copper plate welded to a steel plate by a rolling roller into a copper plate.
5 is a cross-sectional view showing a method of forming a copper plate welded to a steel plate by a press into a copper foil.
6 is a perspective view showing a method of embedding a solid lubricant after forming a hole in the copper foil.

Hereinafter, with reference to the accompanying drawings will be described in detail a specific embodiment of the flat-type solid lubricant embedded sliding bearing according to the present invention.

As can be seen with reference to Fig. 1, the copper foil 3 is attached by welding only very thinly to the sliding surface of the sliding bearing. The thickness of the copper foil 3 is most preferably 0.5mm-1.5mm, but can be thicker or thinner as needed. As described above, the copper foil includes copper alloy foil such as pure copper foil and brass foil. As shown in Figs. 1 and 6, a feature of the present invention is to weld a copper foil 3 within a predetermined thickness to the surface of a flat steel plate 1, and only fit the copper foil thickness on the copper foil 3 only. A large number of holes 13 are formed, and the solid lubricant 5 is inserted in each of the holes. The welding method of the copper foil 3 includes silver solder welding, spot welding, blazing, and the like, and a bonding method which can be replaced with these. According to the present invention, since it is not necessary to drill holes in the steel plate 1, the steel plate 1 can maintain its original shape without deformation for a long time under a high load environment. Further, the thickness of the copper foil 3 can be reduced without sacrificing lubricity and abrasion with the counterpart material, and the rigidity of the entire sliding bearing can be increased by reducing the thickness of the copper foil 3. In addition, since the hole is formed only in the thin copper foil 3 and the solid lubricant 5 is inserted only in this hole, waste of the solid lubricant 5 can be eliminated.

However, it is very difficult to weld 0.5 mm-1.5 mm copper foil uniformly to the flat steel plate 1 surface. This is because a moderate intermediate warpage occurs in the copper foil form due to copper ductility.

The present invention solved this problem by using a copper plate, as shown in Figures 3a to 3b.

That is, another feature of the present invention is that in attaching the copper foil 3 on the surface of the flat steel plate 1, the copper thick plate 7 (1.5 mm thick) is not attached directly to the copper foil 3. Excess copper plate) is welded to the steel plate (1) and then thinly formed. To this end, as shown in FIGS. 3A to 3C, first, a copper plate 7 having a predetermined thickness is welded and attached to the surface of the flat steel plate 1. As described above, the copper plate includes a copper alloy plate such as a pure copper plate and a brass plate. Next, in the state in which the plate-like steel plate and the copper plate is coupled, as shown in Figure 4, by pressing the rolling roller 9 from above or below, so that only the copper plate (7) spread all the way. At this time, the rolling pressure is limited only to the copper plate, the steel plate 1 is limited to the range that does not deform. By doing in this way, the copper foil plate 3 welded thin and flat to the steel plate 1 surface can be obtained.

As shown in FIG. 5, the copper plate 3 is attached to the surface of the plate-shaped steel plate 1 by welding a copper plate 7 exceeding a predetermined thickness and attaching the plate-shaped steel plate 1. The copper plate 7 may be formed within a predetermined thickness by pressing the presses 11a and 11b from above or below and spreading only the copper plate solely.

In the case of using the above method of obtaining the welded copper plate 3 using the pre-welded copper plate 7, as shown in FIG. 6, the copper plate 3 is attached to the steel plate 1. Although the hole 13 is drilled, when attaching the copper foil plate 3 directly to the steel plate 1, the hole 13 can be drilled and welded beforehand.

Although the present invention has been described with reference to the embodiments shown in the accompanying drawings, the scope of protection of the present invention is not intended to be limited thereto, and the scope of protection of the present invention is set forth in the detailed description of the claims and all equivalent embodiments thereof. It should be interpreted as crazy.

1: steel plate 3: copper plate
5: solid lubricant 7: copper plate
9: rolling roller 11a, 11b: press
13: hole

Claims (3)

A copper plate having a predetermined thickness is welded to the surface of the plate-shaped steel plate, and a plurality of holes corresponding to the thickness of the copper plate are formed only in the copper plate, and a solid lubricant is inserted into each hole. Grease Sliding Bearings.
The method of claim 1,
The copper plate,
A copper plate exceeding a predetermined thickness is welded and attached to the surface of the plate-shaped steel plate, and in a state where the plate-shaped steel plate and the copper plate are combined, they are pressed by a rolling roller from above or below. Flat plate type solid lubricant sliding bearing, characterized in that formed only within a predetermined thickness by allowing only the thick plate to spread malleably.
The copper plate,
A copper plate exceeding a predetermined thickness is welded and attached to the surface of the plate-shaped steel plate, and in a state where the plate-type steel plate and the copper plate are combined, the plate is pressed by pressing from above or below, Flat solid lubricant sliding bearing, characterized in that formed within a predetermined thickness by spreading completely.
KR1020100037751A 2010-04-23 2010-04-23 Solid lubricant embedded sliding bearing KR20110118256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100037751A KR20110118256A (en) 2010-04-23 2010-04-23 Solid lubricant embedded sliding bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100037751A KR20110118256A (en) 2010-04-23 2010-04-23 Solid lubricant embedded sliding bearing

Publications (1)

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KR20110118256A true KR20110118256A (en) 2011-10-31

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108775340A (en) * 2018-06-23 2018-11-09 唐山市路北区有色铸件厂 Filling solidification solid lubricant self-lubricating bearing and preparation method thereof
EP3944921A1 (en) * 2020-07-31 2022-02-02 Wieland-Werke AG Method for producing a sliding element
KR20220059007A (en) * 2020-11-02 2022-05-10 장기태 Manufacturing method for bearing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108775340A (en) * 2018-06-23 2018-11-09 唐山市路北区有色铸件厂 Filling solidification solid lubricant self-lubricating bearing and preparation method thereof
EP3944921A1 (en) * 2020-07-31 2022-02-02 Wieland-Werke AG Method for producing a sliding element
CN114060412A (en) * 2020-07-31 2022-02-18 威兰德-沃克公开股份有限公司 Method for producing sliding element
KR20220059007A (en) * 2020-11-02 2022-05-10 장기태 Manufacturing method for bearing

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