CN109854614B - Carbon graphite combined bearing and edge roller equipment - Google Patents
Carbon graphite combined bearing and edge roller equipment Download PDFInfo
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- CN109854614B CN109854614B CN201811502312.7A CN201811502312A CN109854614B CN 109854614 B CN109854614 B CN 109854614B CN 201811502312 A CN201811502312 A CN 201811502312A CN 109854614 B CN109854614 B CN 109854614B
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Abstract
The invention discloses a carbon graphite combined bearing and edge roller equipment, and relates to the technical field of mechanical design and manufacture. The carbon graphite composite bearing includes a thrust bearing assembly and a plain bearing assembly. The thrust bearing is provided with a first embedded carbon layer; the sliding bearing assembly is connected with the thrust bearing assembly, and the sliding bearing assembly is provided with a second carbon-inlaid layer; wherein the first carbon-inlaid layer and the second carbon-inlaid layer are inlaid with carbon graphite materials. Through the arrangement of the carbon graphite material of the first embedded carbon layer and the second embedded carbon layer, the carbon graphite combined bearing has the characteristics of the carbon graphite material, and has high temperature resistance, self-lubrication and good antifriction performance. The radial load and the axial load can be simultaneously borne from the design structure. This edge roller equipment is through reforming transform original edge roller bearing mounting structure, installs foretell carbon graphite combination bearing and goes up the line and use, and it is very stable to detect drive division servo motor output torque, and increase of service life is prolonged to more than 1 year.
Description
Technical Field
The invention relates to the technical field of mechanical design and manufacture, in particular to a carbon graphite combined bearing and edge roller equipment.
Background
In the process of producing the liquid crystal substrate glass by using the overflow downdraw method, when glass liquid is gathered and flows down from the end part of an overflow brick, two edge-drawing shafts are driven by edge-drawing machine equipment to rotate in a facing direction, and the glass liquid in a molten state is clamped, drawn, cooled and shaped to form a continuous edge plate, which is a prerequisite process production condition for the next-step drawing and forming of the substrate glass.
The edge roller equipment is positioned at the lower part of the muffle furnace and at a horizontal position slightly lower than the bottom of the overflow brick, the working temperature of the two edge rollers is about 1000 ℃, the temperature in the furnace is continuously transmitted to the edge roller equipment body in the edge roller process, meanwhile, the edge roller equipment is wholly subjected to high-temperature heat radiation of the furnace body, the external environment temperature is 80-100 ℃, and the working condition is severe.
The original design of the edge roller equipment uses a needle bearing (the trademark NKI32/20) made of rolling bearing steel as a rotary support, and the needle bearing cannot be continuously and fully lubricated due to the limitation of the equipment structure, and the actual working temperature of the bearing is up to 160-200 ℃, so that the cooling and heat dissipation conditions are poor, and the temperature-resistant parameters of the bearing material are insufficient, so that the bearing of the edge roller equipment is easy to fail and damage in a short period; and the original needle bearing can only bear radial load, the axial positioning sleeve is worn after being used for a period of time, the axial friction resistance is increased, after the radial friction resistance is superposed, the rotation torque of the edge roller equipment is increased, the servo motor is driven to be protected and stopped, the production is interrupted, and the service life is about 120 plus 180 days on average.
The negative influence caused by the stop of the edge roller equipment is great, and the plate breakage and production interruption are caused firstly; in severe cases, the forming material is blocked, and even the safety of forming equipment is endangered, so that the problem to be solved urgently is to ensure the stable operation of the edge roller and prolong the service life of the edge roller as much as possible.
Disclosure of Invention
The invention aims to provide a carbon-graphite combined bearing which has high temperature resistance, self-lubrication and good friction reduction performance and can bear radial and axial loads.
Another object of the present invention is to provide an edge roller apparatus, which includes the carbon graphite combined bearing. Therefore, the edge roller equipment is stable in operation and long in service life.
The embodiment of the invention is realized by the following steps:
a carbon graphite composite bearing for an edge roller apparatus, comprising:
a thrust bearing assembly provided with a first carbon-clad layer;
the sliding bearing assembly is connected with the thrust bearing assembly, and the sliding bearing assembly is provided with a second carbon-inlaid layer;
wherein the first carbon-inlaid layer and the second carbon-inlaid layer are inlaid with carbon graphite materials.
Further, in the preferred embodiment of the present invention, the first and second carbon-inlaid layers are inlaid with M181D carbon graphite material, and the first and second carbon-inlaid layers are exposed axially to a carbon layer thickness of 2 mm.
Further, in a preferred embodiment of the present invention, the thrust bearing assembly further comprises a thrust race, the first carbon-inlaid layer is disposed on the thrust race, the thrust race is provided with four 90-degree uniformly distributed top thread holes, and the top thread holes are used for axial positioning when the carbon graphite combined bearing is matched with a gear shaft sleeve of the edge roller equipment.
Further, in the preferred embodiment of the invention, the material of the thrust race is 2Cr13 material.
Further, in a preferred embodiment of the present invention, the inner bore diameter of the plain bearing assembly is smaller than the inner bore diameter of the thrust bearing assembly, the plain bearing assembly further includes a plain sleeve and a bearing outer race, the bearing outer race is disposed outside the plain sleeve, and the second carbon-inlaid layer is disposed between the bearing outer race and the plain sleeve;
and the sliding shaft sleeve is arranged on a gear shaft sleeve of the edge roller and is configured to drive the sliding shaft sleeve to rotate under the rotation of the gear shaft sleeve, so that the sliding shaft sleeve generates sliding friction with a carbon graphite material arranged in the second embedded carbon layer, and the radial rotation supporting effect on the gear shaft sleeve is realized.
Further, in the preferred embodiment of the present invention, the material of the sliding bush is 2Cr13 material, and one side end face of the sliding bush is provided with a thrust disc which is opposite to the thrust bearing component.
Further, in a preferred embodiment of the present invention, the end surface of the first carbon-inlaid layer is provided with a plurality of uniformly distributed grooves.
Further, in the preferred embodiment of the present invention, the number of the grooves is eight, and the angle of the grooves is 45 degrees.
An edge roller apparatus comprising:
the edge roller comprises an edge roller body, wherein the edge roller body is provided with a gear shaft sleeve;
the carbon graphite combined bearing is sleeved outside the gear shaft sleeve.
Further, in a preferred embodiment of the present invention, the number of the carbon graphite combination bearings is two, and the two carbon graphite combination bearings are oppositely disposed on the gear sleeve, and an assembly gap amount of 0.3mm is reserved in an axial length between the thrust race of the two thrust bearing assemblies and the gear sleeve.
The embodiment of the invention has at least the following advantages or beneficial effects:
embodiments of the present invention provide a carbon graphite composite bearing comprising a thrust bearing assembly and a plain bearing assembly. The thrust bearing assembly is provided with a first embedded carbon layer; the sliding bearing assembly is connected with the thrust bearing assembly, and the sliding bearing assembly is provided with a second carbon-inlaid layer; wherein the first carbon-inlaid layer and the second carbon-inlaid layer are inlaid with carbon graphite materials. Through the arrangement of the carbon graphite material of the first embedded carbon layer and the second embedded carbon layer, the carbon graphite combined bearing has the characteristics of the carbon graphite material, and has high temperature resistance, self-lubrication and good antifriction performance. The radial load and the axial load can be simultaneously borne from the design structure.
The embodiment of the invention also provides edge roller equipment which comprises the carbon graphite combined bearing. Therefore, the edge roller equipment is used on line by modifying the original edge roller bearing mounting structure and mounting the carbon graphite combined bearing, the output torque of the servo motor of the detection driving part is very stable, and the service life is prolonged to more than 1 year.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a needle bearing assembly provided in the prior art;
fig. 2 is a schematic structural diagram of a carbon graphite composite bearing provided in an embodiment of the present invention;
fig. 3 is a first metallographic photograph of an M181D carbon graphite material according to an embodiment of the present invention;
fig. 4 is a second metallographic photograph of an M181D carbon graphite material according to an embodiment of the present invention;
fig. 5 is a schematic partial structural view of an edge roller device according to an embodiment of the present invention.
Icon: 1-thrust race; 2-a first fitted carbon layer; 3-sliding shaft sleeve; 4-bearing outer ring; 5-a second carbon inlaid layer; 6-top thread hole; 7-a groove; 8-gear shaft sleeve; 9-carbon graphite composite bearings; 10-carbon graphite composite bearings; 11-needle bearings; 12-needle bearings; 13-positioning the copper sleeve in front; and 14, positioning the copper sleeve at the back.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Fig. 1 is a schematic structural view of a needle bearing device provided in the prior art. Referring to fig. 1, in the prior art, a gear shaft sleeve 8 is a rotating shaft for transmitting the torque of the main unit of the edge roller, the gear shaft sleeve 8 is installed in a main unit casing of the edge roller, axial positioning is performed by means of front and rear end faces in the casing, the edge roller is installed in the gear shaft sleeve 8 and then enters a forming furnace to clamp and draw glass in a molten state, since the temperature in the furnace reaches 1000 ℃, continuous heat is transmitted to the gear shaft sleeve 8 through the edge roller, and then transmitted to bearing inner rings of a needle roller bearing 11 and a needle roller bearing 12 through the gear shaft sleeve 8 and then transmitted to a bearing needle roller through the bearing inner rings, the needle roller bearing 11 and the needle roller bearing 12 need to continuously work under a high temperature working condition of 160-, leading to fatigue failure, resulting in increased radial frictional resistance; on the other hand, the gear shaft sleeve 8 is axially positioned by means of the front positioning copper sleeve 13 and the rear positioning copper sleeve 14, and the glass liquid is in a viscous molten elastic state, so that the glass is clamped and pulled by the edge-pulling shaft and simultaneously subjected to the reaction force of the glass liquid along the axial direction, so that the needle roller bearing 11 and the inner ring of the needle roller bearing 12 generate large axial friction force with the front positioning copper sleeve 13 and the rear positioning copper sleeve 14, and axial rotation friction resistance is caused. After the two factors are superposed, the servo motor of the edge roller is often protected and stalled.
Based on this, fig. 2 is a schematic structural diagram of the carbon graphite composite bearing 10 provided in this embodiment. Referring to fig. 2, in order to solve the above technical problem, an embodiment of the present invention provides a carbon graphite combination bearing 10, where the carbon graphite combination bearing 10 is mainly used in edge roller equipment in the liquid crystal glass industry, and the carbon graphite combination bearing 10 includes a thrust bearing assembly (not shown) and a sliding bearing assembly (not shown).
In detail, referring to fig. 2 again, in the present embodiment, the thrust bearing assembly is manufactured by a graphite insert process, and the thrust bearing assembly is provided with a first insert carbon layer 2; the sliding bearing assembly is connected with the thrust bearing assembly, and the sliding bearing assembly is provided with a second carbon-inlaid layer 5; wherein the first carbon-inlaid layer 2 and the second carbon-inlaid layer 5 are inlaid with carbon graphite material. The carbon graphite material of the first carbon-inlaid layer 2 and the second carbon-inlaid layer 5 is arranged, so that the carbon graphite combined bearing 10 has the characteristics of the carbon graphite material, and has high temperature resistance, self-lubrication and good antifriction performance. The radial load and the axial load can be simultaneously borne from the design structure.
Specifically, in this embodiment, the first carbon-tipped layer 2 and the second carbon-tipped layer 5 are each tipped with an M181D carbon graphite material. And the first carbon-inlaid layer 2 and the second carbon-inlaid layer 5 are exposed in the axial direction by a carbon layer thickness of 2 mm. The M181D carbon graphite material has high temperature resistance, self-lubrication and good antifriction performance, and can bear radial and axial loads. Of course, in other embodiments of the present invention, the type of the carbon graphite material may also be selected according to requirements, and is not limited to the M181D carbon graphite material, and the embodiments of the present invention are not limited thereto.
It should be noted that fig. 3 is a first metallographic photograph of the M181D carbon graphite material provided in this embodiment; fig. 4 is a second metallographic photograph of the M181D carbon graphite material provided in this embodiment. Referring to fig. 3 and 4, in the present embodiment, the M181D carbon graphite material is manufactured according to the Q/74973203-5.02-2018 standard of the kyowski super carbon technologies ltd, and the performance specifications are shown in the following table:
TABLE 1 Performance specifications for M181D carbon graphite materials
Referring to fig. 2 again, in the present embodiment, the thrust bearing assembly further includes a thrust race 1, the first carbon layer 2 is disposed on the thrust race 1, the thrust race 1 is provided with four screw holes 6 uniformly distributed at 90 degrees, and the screw holes 6 are used for axial positioning when the carbon graphite combined bearing 10 is matched with a gear shaft sleeve 8 of an edge roller apparatus. Through the arrangement of the thrust race 1, the first carbon-inlaid layer 2 is formed after the M181D carbon graphite material is inlaid, so that effective lubrication and antifriction performance can be provided when the edge roller is used in cooperation with edge roller equipment. Of course, in other embodiments of the present invention, the number of the jackscrew holes 6 may also be selected according to requirements, and is not limited to four, and the embodiments of the present invention are not limited.
Preferably, in the present embodiment, the material of the thrust race 1 is 2Cr13 material. The 2Cr13 martensitic stainless steel has magnetism and good hardness. In other embodiments of the present invention, the material of the thrust race 1 may also be selected according to requirements, and the embodiments of the present invention are not limited.
Referring again to fig. 2, in the present embodiment, the inner bore diameter of the sliding bearing assembly is smaller than that of the thrust bearing assembly, and preferably smaller than 0.5mm, so as to form a larger clearance with the outer circle of the driving gear, thereby preventing the driving gear from generating radial friction with the driving gear when rotating.
Referring to fig. 2 again, in the present embodiment, the sliding bearing assembly further includes a sliding shaft sleeve 3 and a bearing outer ring 4, the bearing outer ring 4 is disposed outside the sliding shaft sleeve 3, and the shaft sleeve outer ring 4 freely moves in the axial direction without being positioned. And the second carbon inlay layer 5 is provided between the bearing outer ring 4 and the sliding sleeve 3. And, the sliding shaft sleeve 3 sets up in the gear shaft sleeve 8 of edge roller, and is configured to drive sliding shaft sleeve 3 to rotate under gear shaft sleeve 8's rotation to make sliding shaft sleeve 3 and the carbon graphite material that sets up in the second inlays dress carbon layer 5 produce sliding friction, thereby realize the supporting role to gear shaft sleeve 8's radial pivoted. The carbon graphite material of the first carbon-inlaid layer 2 and the second carbon-inlaid layer 5 is arranged, so that the carbon graphite combined bearing 10 has the characteristics of the carbon graphite material, and has high temperature resistance, self-lubrication and good antifriction performance. The radial load and the axial load can be simultaneously borne from the design structure.
Preferably, in the present embodiment, the material of the sliding sleeve 3 is 2Cr13 material. The 2Cr13 martensitic stainless steel has magnetism and good hardness. The surface of the sliding sleeve 3 is nitrided. Nitriding, which is a chemical heat treatment process for making nitrogen atoms permeate into the surface layer of a workpiece in a certain medium at a certain temperature. Liquid nitriding, gas nitriding, ion nitriding are common. The traditional gas nitriding is to put a workpiece into a sealed container, introduce flowing ammonia gas and heat the workpiece, after keeping the temperature for a long time, the ammonia gas is thermally decomposed to generate active nitrogen atoms which are continuously adsorbed on the surface of the workpiece and diffused into the surface layer of the workpiece, so that the chemical components and the structure of the surface layer are changed, and excellent surface performance is obtained, the sliding shaft sleeve 3 correspondingly has excellent surface performance, the service life of the sliding shaft sleeve is prolonged, and the normal operation of each item of operation is ensured. In other embodiments of the present invention, the material of the sliding shaft sleeve 3 may also be selected according to requirements, and the embodiments of the present invention are not limited.
Further preferably, in the present embodiment, one side end surface of the sliding sleeve 3 is provided with a thrust disc which is opposite-ground to the thrust bearing assembly. The outer ring of the sliding shaft sleeve 3 is in clearance fit with the second carbon-inlaid layer 5 of the bearing outer ring 4, and the hole-shaft fit tolerance is H7/e 7. The diameter of the bearing outer ring 4 is smaller than that of the seat hole, and the bearing outer ring is in clearance fit with the seat hole. The part mating surface roughness Ra value was 1.6. mu.m.
Referring to fig. 2 again, in the present embodiment, the end surface of the first carbon-inlaid layer 2 is provided with a plurality of uniformly distributed grooves 7. Preferably, the number of the grooves 7 is eight, and the angle of the grooves 7 is 45 degrees. The grooves 7 can play a role in cooling and buffering friction. Of course, in other embodiments of the present invention, the number of the grooves 7 may also be selected according to requirements, and the embodiments of the present invention are not limited.
Fig. 5 is a schematic partial structure diagram of the edge roller device provided in this embodiment. Referring to fig. 5, in the present embodiment, an edge roller apparatus includes: the edge roller body and the carbon graphite combined bearing 10. The edge roller body is provided with a gear shaft sleeve 8; the carbon graphite combined bearing 10 is sleeved outside the gear shaft sleeve 8. This edge roller equipment is through reforming transform original edge roller bearing mounting structure, installs foretell carbon graphite combination bearing 10 online use, and it is very stable to detect drive division servo motor output torque, and life prolongs to more than 1 year.
In detail, referring to fig. 5 again, the number of the carbon graphite combined bearings 10 is two, the two carbon graphite combined bearings 10 are reversely arranged on the gear shaft sleeve 8, and an assembly gap of 0.3mm is reserved between the thrust race 1 and the gear shaft sleeve 8 of the two thrust bearing assemblies, so that the gear shaft sleeve 8 can be prevented from expanding due to heating, and the service life of the edge roller equipment is further ensured.
In summary, embodiments of the present invention provide a carbon graphite composite bearing 10, wherein the carbon graphite composite bearing 10 includes a thrust bearing assembly and a sliding bearing assembly. And, the thrust bearing assembly has the first inlaying the carbon layer 2; the sliding bearing assembly is connected with the thrust bearing assembly, and the sliding bearing assembly is provided with a second carbon-inlaid layer 5; wherein the first carbon-inlaid layer 2 and the second carbon-inlaid layer 5 are inlaid with carbon graphite material. The carbon graphite material of the first carbon-inlaid layer 2 and the second carbon-inlaid layer 5 is arranged, so that the carbon graphite combined bearing 10 has the characteristics of the carbon graphite material, and has high temperature resistance, self-lubrication and good antifriction performance. The radial load and the axial load can be simultaneously borne from the design structure.
The embodiment of the invention also provides edge roller equipment, which comprises the carbon graphite combined bearing 10. Therefore, the edge roller equipment is used on line by modifying the original edge roller bearing mounting structure and mounting the carbon graphite combined bearing 10, the output torque of the servo motor of the detection driving part is very stable, and the service life is prolonged to more than 1 year.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A carbon graphite combined bearing is used for edge roller equipment and is characterized by comprising:
a thrust bearing assembly provided with a first carbon-clad layer;
a plain bearing assembly coupled to the thrust bearing assembly, the plain bearing assembly provided with a second carbon-clad layer;
wherein the first carbon-inlaid layer and the second carbon-inlaid layer are inlaid with carbon graphite materials; the thrust bearing assembly further comprises a thrust race, the first embedded carbon layer is arranged on the thrust race, the thrust race is provided with four jack screw holes which are uniformly distributed at 90 degrees, and the jack screw holes are used for axially positioning the carbon graphite combined bearing and the gear shaft sleeve of the edge roller equipment when being matched.
2. The carbon graphite composite bearing of claim 1, wherein:
the first and second carbon inlaid layers were each inlaid with M181D carbon graphite material, and the first and second carbon inlaid layers were each exposed axially to a layer thickness of 2 mm.
3. The carbon graphite composite bearing of claim 1, wherein:
the material of the thrust race is 2Cr13 material.
4. The carbon graphite composite bearing according to any one of claims 1 to 3, wherein:
the inner bore diameter of the plain bearing assembly is smaller than that of the thrust bearing assembly, the plain bearing assembly further comprises a plain sleeve and a bearing outer ring, the bearing outer ring is arranged outside the plain sleeve, and the second inlaid carbon layer is arranged between the bearing outer ring and the plain sleeve;
and the sliding shaft sleeve is arranged on a gear shaft sleeve of the edge roller and is configured to drive the sliding shaft sleeve to rotate under the rotation of the gear shaft sleeve, so that the sliding shaft sleeve and the carbon graphite material arranged in the second embedded carbon layer generate sliding friction, and the radial rotation supporting effect of the gear shaft sleeve is realized.
5. The carbon graphite composite bearing of claim 4, wherein:
the sliding shaft sleeve is made of 2Cr13 material, the surface of the sliding shaft sleeve is subjected to nitriding treatment, and a thrust disc which is in opposite grinding with the thrust bearing assembly is arranged on one side end face of the sliding shaft sleeve.
6. The carbon graphite composite bearing of claim 1, wherein:
the end face of the first carbon-inlaid layer is provided with a plurality of uniformly distributed grooves.
7. The carbon graphite composite bearing of claim 6, wherein:
the number of the grooves is eight, and the angle of the grooves is 45 degrees.
8. An edge roller apparatus, comprising:
the edge roller comprises an edge roller body, wherein the edge roller body is provided with a gear shaft sleeve;
the carbon graphite composite bearing of any one of claims 1 to 7, which is sleeved outside the gear shaft sleeve.
9. Edge roller apparatus according to claim 8, characterized in that:
the number of the carbon graphite combined bearings is two, the two carbon graphite combined bearings are reversely arranged on the gear shaft sleeve, and 0.3mm of assembly clearance is reserved between the thrust race of the two thrust bearing assemblies and the gear shaft sleeve in the axial length.
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| CN201811502312.7A CN109854614B (en) | 2018-12-06 | 2018-12-06 | Carbon graphite combined bearing and edge roller equipment |
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| CN201811502312.7A CN109854614B (en) | 2018-12-06 | 2018-12-06 | Carbon graphite combined bearing and edge roller equipment |
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| CN109854614B true CN109854614B (en) | 2020-02-21 |
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| US3062599A (en) * | 1959-11-27 | 1962-11-06 | Gen Electric | Carbon bearings with molybdenum disulphide inserts |
| CN201362640Y (en) * | 2009-01-09 | 2009-12-16 | 江阴市锦明玻璃技术有限公司 | Sealing device for connecting edge roller and tin bath |
| CN102384159A (en) * | 2011-07-11 | 2012-03-21 | 上海斐赛轴承科技有限公司 | Full-carbon graphite/ mixed carbon graphite rolling bearing and manufacturing method thereof |
| CN102562813A (en) * | 2011-12-30 | 2012-07-11 | 上海斐赛轴承科技有限公司 | Carbon-graphite keeper rolling bearing used for performing protection and antifriction treatment and manufacturing method of carbon-graphite keeper rolling bearing |
| CN104176912B (en) * | 2014-07-19 | 2016-08-31 | 蚌埠凯盛工程技术有限公司 | A kind of easily detachable graphite bearing mounting structure |
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