CN113803466A - Bonding device and bonding method for seal ring assembly - Google Patents
Bonding device and bonding method for seal ring assembly Download PDFInfo
- Publication number
- CN113803466A CN113803466A CN202110913403.5A CN202110913403A CN113803466A CN 113803466 A CN113803466 A CN 113803466A CN 202110913403 A CN202110913403 A CN 202110913403A CN 113803466 A CN113803466 A CN 113803466A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- graphite
- metal
- heating
- graphite sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 130
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 77
- 229910002804 graphite Inorganic materials 0.000 claims description 77
- 239000010439 graphite Substances 0.000 claims description 77
- 239000002184 metal Substances 0.000 claims description 64
- 238000010438 heat treatment Methods 0.000 claims description 29
- 230000007704 transition Effects 0.000 claims description 24
- 239000003822 epoxy resin Substances 0.000 claims description 14
- 229920000647 polyepoxide Polymers 0.000 claims description 14
- 238000001723 curing Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000013008 thixotropic agent Substances 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 229920006332 epoxy adhesive Polymers 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000013035 low temperature curing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/26—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings
- F16J15/30—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings with sealing rings made of carbon
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
- C09J5/06—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/26—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings
- F16J15/28—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings with sealing rings made of metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to a bonding device and a bonding method of a seal ring assembly. The invention utilizes the principle of thermal expansion of metal materials to carry out the thermal assembly process, effectively avoids the defects of size dislocation, stress concentration and the like, realizes the assembly of the sealing ring component and improves the reliability of the assembly.
Description
Technical Field
The invention relates to the field of manufacturing of aviation machinery, in particular to a bonding device and a bonding method for a seal ring assembly.
Background
The graphite sealing ring is used for sealing important parts of a hydraulic system, is a contact type seal, and is one of mechanical seal forms which are commonly used at present. The sealing end face is generally perpendicular to the sealing face of the rotation axis, and the end face keeps fit and keeps relative rotation under the action of fluid pressure and compensating mechanical elasticity, and auxiliary sealing matching is carried out, so that fluid is prevented from leaking.
Graphite is a very common black non-metallic material, has low density, excellent characteristics of high temperature resistance, good electrical and thermal conductivity, good chemical stability and the like, and is widely applied to the fields of aerospace, petrochemical industry and the like. Since the solid powder particles of different materials constituting the graphite material are brittle materials and the coke formed by the binder used after high-temperature carbonization is also brittle materials, the whole body formed by connecting the solid powder particles and the binder has strong brittleness. When a certain external stress is applied, the phenomenon of brittle fracture easily occurs after small elastic deformation. Meanwhile, due to the existence of structural defects such as air holes and cracks in the material, the formed surface generates defects such as cracks, pits and broken corners in the processing process.
Because the graphite sealing ring and the metal ring are in interference fit, the outer diameter of the graphite sealing ring and the inner diameter of the metal ring need to be manually detected, and screening is carried out according to the minimum interference. The sealing ring assembly is assembled by a press fit method, mutual dislocation is easy to cause, local stress is too concentrated, defects such as pits and blocks on the sealing surface of the graphite sealing ring are caused, and the sealing of the sealing ring assembly is influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a bonding device and a bonding method for a seal ring assembly. The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides a bonding device of sealing ring subassembly, includes metal seal circle, graphite seal circle, still includes the transition cover of fixed metal seal circle, transition cover sliding fit with carry on spacingly and impress graphite seal circle into metal seal circle's positioning core axle to graphite seal circle.
The positioning core axle is the step shaft, including middle section step shaft, left side step shaft and the right side step shaft that the diameter is less than middle section step shaft, wherein:
the end surface of the middle-section stepped shaft is abutted with the graphite sealing ring, and the outer circular surface of the middle-section stepped shaft is in sliding fit with the transition sleeve;
the left stepped shaft penetrates through the inner hole of the graphite sealing ring to limit the position of the graphite sealing ring;
the right stepped shaft is matched with a press machine to press the graphite sealing ring into the metal sealing ring.
The transition sleeve comprises a first inner hole in sliding fit with the metal sealing ring, and a second inner hole with a diameter smaller than the first inner hole for storing the metal sealing ring, wherein an end face abutted to the metal sealing ring is arranged between the first inner hole and the second inner hole.
A method of bonding a seal ring assembly, the method comprising the steps of:
preparing a high-temperature-resistant epoxy adhesive: mixing and stirring epoxy resin, a curing agent and a thixotropic agent uniformly according to a proportion, and then coating the mixture on a graphite sealing ring;
heating and drying: heating the metal sealing ring and the graphite sealing ring respectively to heat the metal sealing ring and the graphite sealing ring so as to dry the heating surfaces of the metal sealing ring and the graphite sealing ring and expand the metal sealing ring;
press fitting: respectively assembling the metal sealing ring and the graphite sealing ring with the transition sleeve and the positioning mandrel, and pushing the positioning mandrel to press the graphite sealing ring into the metal sealing ring;
high-low temperature curing: and repeatedly heating and insulating the pressed metal sealing ring and the pressed graphite sealing ring, and cooling at room temperature.
Mixing epoxy resin, a curing agent and a thixotropic agent according to a ratio of 5:2:3, heating 5 parts of epoxy resin to 60-80 ℃, adding 2 parts of curing agent, stirring, and adding 3 parts of thixotropic agent, and stirring.
A method for adhering the sealing ring assembly includes heating the graphite sealing ring to 150 +/-10 deg.C, baking, holding for 10 min, cooling, heating the metal sealing ring to 250 +/-10 deg.C, baking and expanding.
And (3) respectively loading the metal sealing ring and the graphite sealing ring into the transition sleeve and the positioning core shaft by press fitting, matching the transition sleeve with the positioning core shaft, and pressing the graphite sealing ring into the metal sealing ring.
The high-low temperature solidification comprises the steps of heating the bonded metal sealing ring and graphite sealing ring to 100 +/-10 ℃, preserving heat for 2 hours, then heating to 200 +/-10 ℃, preserving heat for 2 hours, cooling to the temperature below 100 ℃, taking out, and cooling at room temperature.
The invention has the beneficial effects that: the invention utilizes the principle of thermal expansion of metal materials to carry out the thermal assembly process, effectively avoids the defects of size dislocation, stress concentration and the like, realizes the assembly of the sealing ring component and improves the reliability of the assembly.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the assembled structure of the present invention;
FIG. 2 is a schematic structural view of a positioning mandrel of the present invention;
FIG. 3 is a schematic structural view of a transition sleeve of the present invention;
FIG. 4 is a schematic structural view of a graphite seal ring of the present invention;
fig. 5 is a schematic structural diagram of the metal seal ring of the present invention.
Shown in the figure: 1. a metal seal ring; 2. a graphite seal ring; 3. positioning the mandrel; 4. a transition sleeve; 31. a middle section stepped shaft; 32. a left side stepped shaft; 33. a right stepped shaft; 34. a step surface; 201. an inner hole I; 41. an inner hole I; 42. a second inner hole; 43. an end face; 101. a first shaft body; 102. a second shaft body; 103. and a second inner hole.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be described more clearly and more completely with reference to the drawings in the following embodiments, and it is understood that the described embodiments are only a part of the present invention, rather than all of the present invention, and based on the embodiments, other embodiments obtained by those skilled in the art without inventive exercise are within the protection scope of the present invention.
As shown in fig. 1 to 5, the bonding device for the sealing ring assembly comprises a metal sealing ring 1, a graphite sealing ring 2 and a transition sleeve 4 for fixing the metal sealing ring 1, wherein the transition sleeve 4 is in sliding fit with a positioning mandrel 3 for limiting the graphite sealing ring 2 and pressing the graphite sealing ring 2 into the metal sealing ring 1.
Positioning core axle 3 is the step shaft, including middle section step shaft 31, diameter be less than the left side step shaft 32 and the right side step shaft 33 of middle section step shaft 31, wherein:
the end face of the middle-section stepped shaft 31 is abutted with the graphite sealing ring 2, and the outer circular surface is in sliding fit with the transition sleeve 4;
the left stepped shaft 32 passes through the inner hole of the graphite sealing ring 2 to limit the position of the graphite sealing ring 2; the stepped surface between the middle-section stepped shaft 31 and the left-side stepped shaft 32 is abutted with the graphite seal ring 2, and the stepped surface 34 shown in fig. 2 is abutted with the graphite seal ring 2; the graphite sealing ring 2 is provided with a first inner hole 201 matched with the left stepped shaft 32;
the right stepped shaft 33 is matched with a press machine to press the graphite sealing ring 2 into the metal sealing ring 1; the method is as follows.
The transition sleeve 4 comprises a first inner hole 41 in sliding fit with the positioning mandrel 3 and a second inner hole 42 with the diameter smaller than that of the first inner hole 41 for storing the metal sealing ring 1, and an end surface 43 abutted to the metal sealing ring 1 is arranged between the first inner hole 41 and the second inner hole 42; the metal seal ring 1 includes the axis body 101 with No. two hole 42 complex, No. one the axis body 101 is connected with the diameter and is greater than No. one the axis body 101 and with No. two axis body 102 of graphite seal ring 2 complex, the ladder face between No. one the axis body 101 and No. two axis body 102 is to closing with terminal surface 43, be equipped with No. two hole 103 with graphite seal ring 2 complex in No. two axis body 102.
In the invention, firstly, the graphite sealing ring 2 is abutted against the left stepped shaft 32 and the end face of the graphite sealing ring 2 is abutted against the middle stepped shaft 31; then, pushing the metal sealing ring 1 into the second inner hole 42, and enabling the metal sealing ring 1 to abut against the end face 43; and then, the middle-section stepped shaft 31 is in sliding fit with the first inner hole 41, and finally, the right-side stepped shaft 33 and the transition sleeve 4 are pressed to press the graphite sealing ring 2 into the metal sealing ring 1.
A method of bonding a seal ring assembly, the method comprising the steps of:
preparing a high-temperature-resistant epoxy adhesive: mixing and stirring epoxy resin, a curing agent and a thixotropic agent uniformly according to a proportion, and then coating the mixture on a graphite sealing ring 2;
heating and drying: heating the metal sealing ring 1 and the graphite sealing ring 2 to respectively heat the metal sealing ring 1 and the graphite sealing ring 2 so as to dry the heating surfaces of the metal sealing ring 1 and the graphite sealing ring 2 and expand the metal sealing ring 1;
press fitting: respectively assembling the metal sealing ring 1 and the graphite sealing ring 2 with the transition sleeve 4 and the positioning mandrel 3, and pushing the positioning mandrel 3 to press the graphite sealing ring 2 into the metal sealing ring 1;
high-low temperature curing: and repeatedly heating and insulating the pressed metal sealing ring 1 and the pressed graphite sealing ring 2, and cooling at room temperature.
Mixing epoxy resin, a curing agent and a thixotropic agent according to a ratio of 5:2:3, heating 5 parts of epoxy resin to 60-80 ℃, adding 2 parts of curing agent, stirring, and adding 3 parts of thixotropic agent, stirring; the epoxy resin is high-temperature resistant, good in thermal stability and strong in sealing performance, the metal sealing ring 1 and the graphite sealing ring 2 cannot lose effectiveness in press mounting, the curing agent controls curing reaction, the mechanical property and the corrosion resistance of the high-temperature epoxy adhesive are improved, the thixotropic agent improves the consistency of the high-temperature epoxy adhesive, prevents solid-liquid separation, prevents epoxy resin from being separated out, and improves the stability of the high-temperature epoxy adhesive; the epoxy resin is heated to 60-80 ℃ to reduce the viscosity of the epoxy resin and prevent bubbles from being generated when the epoxy resin is mixed with the curing agent thixotropic agent.
Heating and drying the graphite sealing ring 2 to 150 +/-10 ℃, drying, keeping the temperature for 10 minutes, taking out the graphite sealing ring 2, cooling the graphite sealing ring at room temperature, heating the metal sealing ring 1 to 250 +/-10 ℃, drying and expanding the metal sealing ring 1; the graphite sealing ring 2 is heated to remove the moisture and other impurities of the graphite sealing ring 2, so that the surface of the graphite sealing ring 2 is ensured to be dry, and the high-temperature-resistant epoxy adhesive is prevented from being influenced by the moisture and the impurities.
And (3) respectively loading the metal sealing ring 1 and the graphite sealing ring 2 into the transition sleeve 4 and the positioning mandrel 3 by press fitting, matching the transition sleeve 4 with the positioning mandrel 3, and then pressing the graphite sealing ring 2 into the metal sealing ring 1.
The high-low temperature solidification comprises the steps of heating the bonded metal sealing ring 1 and the bonded graphite sealing ring 2 to 100 +/-10 ℃, preserving heat for 2 hours, then heating to 200 +/-10 ℃, preserving heat for 2 hours, cooling to the temperature below 100 ℃, taking out, and cooling at room temperature; the high-temperature-resistant epoxy adhesive is accelerated to be cured by heating twice, and the bonding is more stable after curing.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a bonding device of sealing ring subassembly, includes metal sealing washer (1), graphite seal circle (2), its characterized in that: still including transition cover (4) of fixed metal seal circle (1), transition cover (4) sliding fit with carry on spacingly and impress graphite seal circle (2) positioning core axle (3) of metal seal circle (1) to graphite seal circle (2).
2. The bonding apparatus for a seal ring assembly according to claim 1, wherein: positioning core axle (3) are the step shaft, including middle section step shaft (31), left side step shaft (32) and right side step shaft (33) that the diameter is less than middle section step shaft (31), wherein:
the end surface of the middle-section stepped shaft (31) is abutted with the graphite sealing ring (2), and the outer circular surface of the middle-section stepped shaft is in sliding fit with the transition sleeve (4);
the left stepped shaft (32) penetrates through an inner hole of the graphite sealing ring (2) to limit the position of the graphite sealing ring (2);
the right stepped shaft (33) is matched with a press machine to press the graphite sealing ring (2) into the metal sealing ring (1).
3. The bonding apparatus for a seal ring assembly according to claim 1, wherein: transition cover (4) include No. two holes (42) with metal seal ring (1) sliding fit's No. one hole (41), diameter be less than No. one hole (41) in order to deposit metal seal ring (1), be equipped with between No. one hole (41) and No. two holes (42) with metal seal ring (1) terminal surface (43) that closes of support.
4. A bonding method using a bonding apparatus for a seal ring assembly according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:
preparing a high-temperature-resistant epoxy adhesive: mixing and stirring epoxy resin, a curing agent and a thixotropic agent uniformly according to a proportion, and then coating the mixture on a graphite sealing ring (2);
heating and drying: heating the metal sealing ring (1) and the graphite sealing ring (2) respectively to heat the metal sealing ring (1) and the graphite sealing ring (2) so as to dry the heating surfaces of the metal sealing ring (1) and the graphite sealing ring (2) and expand the metal sealing ring (1);
press fitting: respectively assembling the metal sealing ring (1) and the graphite sealing ring (2) with the transition sleeve (4) and the positioning mandrel (3), and pushing the positioning mandrel (3) to press the graphite sealing ring (2) into the metal sealing ring (1);
high-low temperature curing: and repeatedly heating and insulating the pressed metal sealing ring (1) and the pressed graphite sealing ring (2) and then cooling at room temperature.
5. The bonding method according to claim 4, characterized in that: mixing epoxy resin, a curing agent and a thixotropic agent according to a ratio of 5:2:3, heating 5 parts of epoxy resin to 60-80 ℃, adding 2 parts of curing agent, stirring, and adding 3 parts of thixotropic agent, and stirring.
6. The bonding method according to claim 4, characterized in that: and the heating and drying comprises the steps of heating the graphite sealing ring (2) to 150 +/-10 ℃ for drying, keeping the temperature for 10 minutes, taking out the graphite sealing ring and cooling the graphite sealing ring at room temperature, heating the metal sealing ring (1) to 250 +/-10 ℃ for drying, and expanding the metal sealing ring (1).
7. The bonding method according to claim 4, characterized in that: and (2) respectively installing the metal sealing ring (1) and the graphite sealing ring (2) into the transition sleeve (4) and the positioning core shaft (3) by press fitting, matching the transition sleeve (4) with the positioning core shaft (3), and pressing the graphite sealing ring (2) into the metal sealing ring (1).
8. The bonding method according to claim 4, characterized in that: the high-low temperature solidification comprises the steps of heating the bonded metal sealing ring (1) and the bonded graphite sealing ring (2) to 100 +/-10 ℃, preserving heat for 2 hours, then heating to 200 +/-10 ℃, preserving heat for 2 hours, cooling to the temperature below 100 ℃, taking out, and cooling at room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913403.5A CN113803466A (en) | 2021-08-10 | 2021-08-10 | Bonding device and bonding method for seal ring assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913403.5A CN113803466A (en) | 2021-08-10 | 2021-08-10 | Bonding device and bonding method for seal ring assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113803466A true CN113803466A (en) | 2021-12-17 |
Family
ID=78943008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110913403.5A Pending CN113803466A (en) | 2021-08-10 | 2021-08-10 | Bonding device and bonding method for seal ring assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113803466A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310791A (en) * | 2022-01-08 | 2022-04-12 | 哈尔滨玻璃钢研究院有限公司 | Sunken stepped coaxial assembly tool and use method thereof |
| CN114540655A (en) * | 2022-02-16 | 2022-05-27 | 柳州职业技术学院 | Preparation and assembly process of graphite rotor and graphite rotating shaft sealing structure for aluminum alloy refining |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100840A (en) * | 2012-11-07 | 2013-05-15 | 洛阳轴研科技股份有限公司 | Method for pressing and mounting damping ring by using thin-wall outer ring |
| CN205715662U (en) * | 2016-03-12 | 2016-11-23 | 哈电集团哈尔滨电站阀门有限公司 | Graphite metal complex sealing ring |
| CN109048246A (en) * | 2018-07-20 | 2018-12-21 | 中国航发哈尔滨东安发动机有限公司 | A kind of assembly method of Helicopter Main Reducer radial direction graphite grazing |
| CN109807594A (en) * | 2019-03-26 | 2019-05-28 | 苏州市东吴滚针轴承有限公司 | A kind of needle bearing sealing ring press-fitting mould |
| CN211441221U (en) * | 2019-09-27 | 2020-09-08 | 江苏太平洋精锻科技股份有限公司 | ABS gear assembly press-fitting mold |
| US20200292088A1 (en) * | 2017-03-02 | 2020-09-17 | Nippon Carbon Co., Ltd. | High sealing property ball valve seat |
| CN113122170A (en) * | 2019-12-31 | 2021-07-16 | 苏州科络达信息科技有限公司 | Adhesive for sealing semiconductor |
-
2021
- 2021-08-10 CN CN202110913403.5A patent/CN113803466A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100840A (en) * | 2012-11-07 | 2013-05-15 | 洛阳轴研科技股份有限公司 | Method for pressing and mounting damping ring by using thin-wall outer ring |
| CN205715662U (en) * | 2016-03-12 | 2016-11-23 | 哈电集团哈尔滨电站阀门有限公司 | Graphite metal complex sealing ring |
| US20200292088A1 (en) * | 2017-03-02 | 2020-09-17 | Nippon Carbon Co., Ltd. | High sealing property ball valve seat |
| CN109048246A (en) * | 2018-07-20 | 2018-12-21 | 中国航发哈尔滨东安发动机有限公司 | A kind of assembly method of Helicopter Main Reducer radial direction graphite grazing |
| CN109807594A (en) * | 2019-03-26 | 2019-05-28 | 苏州市东吴滚针轴承有限公司 | A kind of needle bearing sealing ring press-fitting mould |
| CN211441221U (en) * | 2019-09-27 | 2020-09-08 | 江苏太平洋精锻科技股份有限公司 | ABS gear assembly press-fitting mold |
| CN113122170A (en) * | 2019-12-31 | 2021-07-16 | 苏州科络达信息科技有限公司 | Adhesive for sealing semiconductor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310791A (en) * | 2022-01-08 | 2022-04-12 | 哈尔滨玻璃钢研究院有限公司 | Sunken stepped coaxial assembly tool and use method thereof |
| CN114540655A (en) * | 2022-02-16 | 2022-05-27 | 柳州职业技术学院 | Preparation and assembly process of graphite rotor and graphite rotating shaft sealing structure for aluminum alloy refining |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113803466A (en) | Bonding device and bonding method for seal ring assembly | |
| CN102503181B (en) | Preparation method of nickel plated glass fiber and magnetic conductive rubber thereof | |
| WO2020010812A1 (en) | Method for preparing ceramic-plastic composite part | |
| CN102850717A (en) | High thermal conductivity phenolic resin and preparation method | |
| CN110805505B (en) | Heat insulation layer assembly suitable for aluminum alloy long-tail nozzle solid rocket engine | |
| CN110423367A (en) | A kind of preparation method of fibre reinforced thermoplastic composite | |
| CN104974697A (en) | Carbon/carbon composite material binder, bonding method and carbon/carbon composite material member | |
| CN105098439B (en) | Metal nano is molded air-tight electric connector and its manufacturing process | |
| EP0078025B1 (en) | Method of making an integral gas cooler assembly and an integral gas cooler assembly made thereby | |
| KR920007063B1 (en) | Bicycle frame | |
| CN108723652B (en) | Welding process method of mechanical seal assembly | |
| CN103570957B (en) | A kind of method preparing vacuum impregnation carbon cloth Wet-type friction material | |
| CN109486266B (en) | Self-healing graphene composite material for anticorrosive coating and preparation method thereof | |
| CN104235188B (en) | The method that bearing phenolic resin adhesive plaster retainer is bonding with aluminium flake | |
| CN109608951B (en) | Fluororesin primer containing polyether ketone resin and laminate using same | |
| JPS6311147B2 (en) | ||
| CN109627865B (en) | High-temperature fluororesin primer containing polyether ketone resin and laminate using same | |
| US3201296A (en) | Method of making a waveguide window | |
| US2584133A (en) | Insert fastener | |
| JP4983477B2 (en) | gasket | |
| CN111269676A (en) | Strong acid resistant and fast-curing phosphate-based composite plugging agent | |
| CN110212386A (en) | A kind of compensation gasket and welding method for radio-frequency cable and contact welding | |
| CN110522081B (en) | Heat-conducting tobacco shred as well as preparation method and application thereof | |
| CN102586847B (en) | OAD automobile belt wheel outer surface electroplating electrophoresis hanger | |
| CN115926374B (en) | Insulating plastic material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |