CN109676974A - A method of repairing carbon fiber cross bar - Google Patents
A method of repairing carbon fiber cross bar Download PDFInfo
- Publication number
- CN109676974A CN109676974A CN201811518284.8A CN201811518284A CN109676974A CN 109676974 A CN109676974 A CN 109676974A CN 201811518284 A CN201811518284 A CN 201811518284A CN 109676974 A CN109676974 A CN 109676974A
- Authority
- CN
- China
- Prior art keywords
- cross bar
- carbon fiber
- fiber cross
- cloth
- fracture
- 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
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 83
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 83
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000004744 fabric Substances 0.000 claims abstract description 46
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000003292 glue Substances 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims abstract description 4
- 230000004807 localization Effects 0.000 claims abstract description 3
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 4
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 9
- 230000008439 repair process Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/02—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using liquid or paste-like material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/04—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements
- B29C73/10—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements using patches sealing on the surface of the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/24—Apparatus or accessories not otherwise provided for
- B29C73/30—Apparatus or accessories not otherwise provided for for local pressing or local heating
- B29C73/32—Apparatus or accessories not otherwise provided for for local pressing or local heating using an elastic element, e.g. inflatable bag
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The present invention relates to a kind of method for repairing carbon fiber cross bar, the carbon cloth of stacking is carried out coiling, is inserted at the inner cavity of carbon fiber cross bar fracture by (1)；(2) airbag is penetrated in carbon fiber cross bar, the airbag is closed at one end, and the other end is connect with gas nozzle；(3) the carbon fiber cross bar of fracture is fixed and guarantees linear precision；(4) the close connection that localization process guarantees carbon length of tube size and fracture is carried out at the carbon fiber cross bar both ends of fracture, after the completion of connection positioning plus glue sticking is fixed；(5) air bag inflator is bonded the carbon cloth of coiling with carbon fiber cross bar inner wall, while carrying out the processing that is heating and curing, and completes being connected and fixed for carbon fiber cross bar.The present invention can not only restore the structural strength of carbon fiber cross bar, and part reference for installation thereon can also be restored, and all components installation dimension precision of cross bar will not change.
Description
Technical field
The present invention relates to a kind of carbon fibre composite recovery technique fields, more particularly, to a kind of reparation carbon fiber cross bar
Method.
Background technique
Carbon fiber cross bar is in automobile industry, robot picks up, move workpiece on press necessary to a knot
Structure rod piece moves efficiency to improve, and is generally made of carbon fibre material, therefore higher cost.In process of production sometimes
Because control system goes wrong, it will lead to carbon fiber cross bar and press collide, cause carbon fiber cross bar cracking destruction, even
Fracture, shock will also result in the case where crossbar end connector loosens appearance, carbon fiber cross bar caused to cannot be used continuously.In order to
Reduce loss, it is desirable to be able to repair cross bar.
Chinese patent CN108162437A discloses a kind of restorative procedure of carbon fibre member bar, and specific steps include: (10)
Program analysis；(20) it machines: doing the processing of drop face according to analytical plan；(30) group connects；(40) cut-parts；(50) it laying: will cut
Carbon fiber prepreg according to structural laminate sequence and direction laying；(60) solidify: having hole isolation film will with high temperature after the completion of laying
Restoring area wraps up one week, is put into the reparation die cavity internal heating curing of prosthetic device；(70) coating: reparation area benefit is polished suitable
Afterwards, rod piece spray painting is carried out.But in that patent due to increasing constant weight, aluminium compared with carbon fiber connection using aluminium alloy connection
Alloy lining and carbon fibre member bar inner cavity need to carry out dimensional fits, have certain gap, need to be filled with bonding glue sticking,
It is relatively high to gluing uniformity requirement；In addition rod piece junction is increased using machining reduction carbon fiber faying face and is processed into
This；The outer dimension and repairing carbon fiber of rod piece are difficult to control using silica gel and the method pressurizeed of mold heating expansion
Gel content, and gel content is influential on carbon fiber strength.
Summary of the invention
It is horizontal that it is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of reparation carbon fibers
The method of bar.
The purpose of the present invention can be achieved through the following technical solutions:
A method of carbon fiber cross bar is repaired, using following steps:
(1) carbon cloth of stacking is subjected to coiling, be inserted at the inner cavity of carbon fiber cross bar fracture；
(2) airbag is penetrated in carbon fiber cross bar, the airbag is closed at one end, and the other end is connect with gas nozzle；
(3) the carbon fiber cross bar of fracture is fixed and guarantees linear precision；
(4) localization process is carried out at the carbon fiber cross bar both ends of fracture guarantee that carbon length of tube size and the close of fracture connect
It connects, after the completion of connection positioning plus glue sticking is fixed；
(5) air bag inflator is bonded the carbon cloth of coiling with carbon fiber cross bar inner wall, while carrying out the processing that is heating and curing,
Complete being connected and fixed for carbon fiber cross bar.
The carbon cloth of the stacking be once be from inside to outside carbon fiber plain cloth, be axially coated with along cross bar it is unidirectional
Cloth and cross bar are axially in ± 45 ° of unidirectional cloths being coated with, and this overlapped way can make carbon cloth after being pressurizeed, carbon fiber
Wei Bu is in axial direction moved, and is conducive to guarantee that carbon cloth is close to cross bar inner cavity when air bag inflator expansion.
The carbon cloth is T70012K carbon fiber plain cloth or unidirectional cloth.
The carbon fiber cross bar of fracture is fixed on platform using positioning fixture in step (3), is pacified using the part of cross bar
It fills datum level and axially position is carried out to cross bar.
Step (4) carries out the positioning of length direction at the both ends of carbon fiber cross bar using baffle and long bolt.
The carbon fiber cross bar of fracture is heated to 60 DEG C by step (5), while squeezing into airbag compressed air to 0.1MPa,
Heat preservation 2 hours is warming up to 90 DEG C, keeps the temperature 1 hour, and aerating is depressed into 0.6MPa, keeps the temperature 3 hours；130 DEG C are warming up to, heat preservation 4 is small
When, complete solidification.Pass through stepwise heating and pressurization, it is ensured that the uniformity of cross bar internal temperature, it is ensured that airbag is to carbon fiber
The pressurization of prepreg is abundant, reaches design requirement.
Further include the steps that coating carbon cloth in the outside of carbon fiber cross bar and solidify: the cross bar connection of fracture is completed
Afterwards, the outer surface of cross bar breaking part is polished and is cleaned, carbon fiber unidirectional cloth is coated on fracture along cross bar axis direction
Place, every 4 layers of unidirectional cloth add 1 layer of ± 45 ° of unidirectional cloth, finally coat one layer of carbon fiber plain cloth on the outside.This ply sequence is protected
It demonstrate,proves carbon cloth to be bonded when external mold is heated and pressurizeed with cross bar outer surface, and carbon fiber unidirectional cloth can be kept to cross bar circumferential direction
Package, prevents the unidirectional cloth being axially coated with loose, is conducive to the axial load of cross bar, outermost plain cloth can guarantee appearance
The beauty in face.
The carbon fiber plain cloth is T300 carbon fiber plain cloth.
External mold is heated to 90 DEG C, the carbon fiber cross bar coated is put into external mold, is forced into 1MPa, keeps the temperature 1 hour；
Repressurization keeps the temperature 2 hours to 5MPa；It is heated up to 130 DEG C again, keeps the temperature 4 hours, completes solidification.
Compared with prior art, the present invention carries out liner connection positioning, Yi Jijin to the stressed member for being broken or having deformed
The method that the outside of one step is reinforced reaches the requirement for restoring carbon fiber cross bar.Not only structural strength can be restored, thereon
Part reference for installation can also be restored, and all components installation dimension precision of cross bar will not change.
Detailed description of the invention
Fig. 1 is the structure chart for repairing carbon fiber cross bar.
In figure, 1- carbon fiber cross bar, 2- carbon fibre inner lining, 3- repair enhancement layer, 4- platform, 5- bottom plate, 6- cushion block.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
Embodiment
A method of carbon fiber cross bar being repaired, process structure is as shown in Figure 1, using following steps:
1, by 1 placement platform of carbon fiber cross bar of fracture, the sectional dimension of the inner cavity of cross bar is 104 × 104mm, in Ф
Length is coated on the cylinder of 130 × 800mm in 580mm, with a thickness of the carbon fiber prepreg of 4mm, innermost layer is carbon fiber plain weave
Cloth prepreg, 2mm are axially to be coated with unidirectional cloth prepreg, and 2mm is ± 45 ° of unidirectional cloth prepregs being coated with；It is removed from cylinder
Carbon fibre inner lining 2 cavity in pass through preprepared plastics airbag, the long 5m of airbag, width 250mm are closed at one end, another
Terminate gas nozzle.Carbon fibre inner lining 2 and airbag are put into togerther in the cross bar of fracture, the half of liner is respectively accounted for.
2, the cross bar for putting carbon fibre inner lining well is placed on platform 4, the two sides of carbon fiber cross bar respectively there are 8 aluminium alloys
Bottom plate 5, the mounting surface of bottom plate 5 is last in machining center to be completed the process, its machined surface is parallel with the axis of cross bar
, therefore 4 pieces equally high of cushion block 6 is placed on platform 4,5 mounting surface of bottom plate of cross bar side is placed on cushion block 6, is used
Pressing plate pushes down cross bar, and fixation move it will not.It is thick in the two sides of not bottom plate two pieces of long 500mm, wide 100mm
The iron plate of 15mm is clamped by collet.The length direction of cross bar uses the threaded rod of 4 4.8m and two end plates to be connected and fixed, gas
The gas nozzle of bag is pierced by among the end plate of one end to be connected with tracheae.
3, entire platform is put into and is heated to 60 DEG C in baking oven, while squeezing into compressed air to 0.1MPa into airbag, protected
Temperature 2 hours；Baking oven rises to 90 DEG C, keeps the temperature 1 hour；Aerating is depressed into 0.6MPa, keeps the temperature 3 hours；Baking oven is warming up to 130 DEG C, heat preservation 4
Hour, solidification terminates.
4, after the completion of connecting the cross bar of fracture, paint polishing is carried out to the outer surface of cross bar breaking part, is wiped with acetone
The place completely polished.By the carbon fiber unidirectional cloth of the 550mm wide cut out, fiber is coated on fracture along cross bar axis direction
Place, every 4 layers of unidirectional cloth adds 1 layer of ± 45 ° of unidirectional cloth, until thickness reaches 9mm.Make in 1 layer of T300 carbon fiber plain cloth of outer bread
To repair enhancement layer 3.
5, external mold is heated to 90 DEG C, and the carbon fiber cross bar coated is put into external mold, is forced into 1MPa, keeps the temperature 1 hour；
Repressurization keeps the temperature 2 hours to 5MPa；It is heated up to 130 DEG C again, keeps the temperature 4 hours, completes solidification.
6, the edge grinding of outsourcing carbon fiber is cut off, the reparation to carbon fiber cross bar is completed.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (10)
1. a kind of method for repairing carbon fiber cross bar, which is characterized in that this method uses following steps:
(1) carbon cloth of stacking is subjected to coiling, be inserted at the inner cavity of carbon fiber cross bar fracture；
(2) airbag is penetrated in carbon fiber cross bar, the airbag is closed at one end, and the other end is connect with gas nozzle；
(3) the carbon fiber cross bar of fracture is fixed and guarantees linear precision；
(4) the close connection that localization process guarantees carbon length of tube size and fracture is carried out at the carbon fiber cross bar both ends of fracture, even
It connects positioning after the completion plus glue sticking is fixed；
(5) air bag inflator is bonded the carbon cloth of coiling with carbon fiber cross bar inner wall, while carrying out the processing that is heating and curing, and completes
Carbon fiber cross bar is connected and fixed.
2. a kind of method for repairing carbon fiber cross bar according to claim 1, which is characterized in that the carbon fiber of the stacking
Cloth be from inside to outside once be carbon fiber plain cloth, the unidirectional cloth being axially coated with along cross bar, be axially in ± 45 ° with cross bar and be coated with
Unidirectional cloth.
3. a kind of method for repairing carbon fiber cross bar according to claim 1, which is characterized in that the carbon cloth is
T70012K carbon fiber plain cloth or unidirectional cloth.
4. a kind of method for repairing carbon fiber cross bar according to claim 1, which is characterized in that using fixed in step (3)
The carbon fiber cross bar of fracture is fixed on platform by position fixture, axially determine in face of cross bar using the part reference for installation of cross bar
Position.
5. a kind of method for repairing carbon fiber cross bar according to claim 1, which is characterized in that step (4) is in carbon fiber
The both ends of cross bar carry out the positioning of length direction using baffle and long bolt.
6. a kind of method for repairing carbon fiber cross bar according to claim 1, which is characterized in that step (5) is by fracture
Carbon fiber cross bar is heated to 60 DEG C, while squeezing into compressed air to 0.1MPa into airbag, keeps the temperature 2 hours, is warming up to 90 DEG C, protects
Temperature 1 hour, aerating are depressed into 0.6MPa, keep the temperature 3 hours；130 DEG C are warming up to, keeps the temperature 4 hours, completes solidification.
7. a kind of method for repairing carbon fiber cross bar according to claim 1, which is characterized in that further include in carbon fiber cross
The step of outside of bar coats carbon cloth and solidifies.
8. a kind of method for repairing carbon fiber cross bar according to claim 7, which is characterized in that the cross bar of fracture has connected
Cheng Hou is polished and is cleaned to the outer surface of cross bar breaking part, carbon fiber unidirectional cloth is coated on along cross bar axis direction disconnected
Place is split, every 4 layers of unidirectional cloth adds 1 layer of ± 45 ° of unidirectional cloth, finally coats one layer of carbon fiber plain cloth on the outside.
9. a kind of method for repairing carbon fiber cross bar according to claim 8, which is characterized in that the carbon fiber plain cloth
For T300 carbon fiber plain cloth.
10. a kind of method for repairing carbon fiber cross bar according to claim 7, which is characterized in that external mold is heated to 90
DEG C, the carbon fiber cross bar coated is put into external mold, 1MPa is forced into, keeps the temperature 1 hour；For repressurization to 5MPa, heat preservation 2 is small
When；It is heated up to 130 DEG C again, keeps the temperature 4 hours, completes solidification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518284.8A CN109676974A (en) | 2018-12-12 | 2018-12-12 | A method of repairing carbon fiber cross bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518284.8A CN109676974A (en) | 2018-12-12 | 2018-12-12 | A method of repairing carbon fiber cross bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109676974A true CN109676974A (en) | 2019-04-26 |
Family
ID=66187421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811518284.8A Pending CN109676974A (en) | 2018-12-12 | 2018-12-12 | A method of repairing carbon fiber cross bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109676974A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114953527A (en) * | 2022-05-17 | 2022-08-30 | 西安奥若特材料技术有限公司 | Large composite material part local damage field maintenance device and maintenance method |
| CN116278071A (en) * | 2023-02-09 | 2023-06-23 | 中国科学院电工研究所 | An in-situ repair device and method for insulating support in a long, deep and thin inner bore of an electromagnetic launch barrel |
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|---|---|---|---|---|
| CN1258247A (en) * | 1997-05-29 | 2000-06-28 | 国家航空工业公司 | Equipment for on-site repair of composite structure with damaged zone and corresponding method |
| CN1070568C (en) * | 1992-08-11 | 2001-09-05 | 汉斯·穆勒 | How to Repair Underground Drains |
| US7052567B1 (en) * | 1995-04-28 | 2006-05-30 | Verline Inc. | Inflatable heating device for in-situ repair of conduit and method for repairing conduit |
| CN101277556A (en) * | 2007-03-28 | 2008-10-01 | 株式会社湘南合成树脂制作所 | Electric heating apparatus and pipe lining method using same |
| KR20150142187A (en) * | 2014-06-11 | 2015-12-22 | 이범희 | Apparatus for repairing carbon composite meterial frame and method for repairing the same |
| CN107538770A (en) * | 2017-09-28 | 2018-01-05 | 国营芜湖机械厂 | A kind of advanced composite material repairing material and repair method |
| CN108162437A (en) * | 2017-12-28 | 2018-06-15 | 江苏亨睿碳纤维科技有限公司 | The restorative procedure of carbon fibre member bar |
| CN207711426U (en) * | 2017-12-18 | 2018-08-10 | 江苏亨睿碳纤维科技有限公司 | The prosthetic device of carbon fiber mechanical shaft |
-
2018
- 2018-12-12 CN CN201811518284.8A patent/CN109676974A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070568C (en) * | 1992-08-11 | 2001-09-05 | 汉斯·穆勒 | How to Repair Underground Drains |
| US7052567B1 (en) * | 1995-04-28 | 2006-05-30 | Verline Inc. | Inflatable heating device for in-situ repair of conduit and method for repairing conduit |
| CN1258247A (en) * | 1997-05-29 | 2000-06-28 | 国家航空工业公司 | Equipment for on-site repair of composite structure with damaged zone and corresponding method |
| CN101277556A (en) * | 2007-03-28 | 2008-10-01 | 株式会社湘南合成树脂制作所 | Electric heating apparatus and pipe lining method using same |
| KR20150142187A (en) * | 2014-06-11 | 2015-12-22 | 이범희 | Apparatus for repairing carbon composite meterial frame and method for repairing the same |
| CN107538770A (en) * | 2017-09-28 | 2018-01-05 | 国营芜湖机械厂 | A kind of advanced composite material repairing material and repair method |
| CN207711426U (en) * | 2017-12-18 | 2018-08-10 | 江苏亨睿碳纤维科技有限公司 | The prosthetic device of carbon fiber mechanical shaft |
| CN108162437A (en) * | 2017-12-28 | 2018-06-15 | 江苏亨睿碳纤维科技有限公司 | The restorative procedure of carbon fibre member bar |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114953527A (en) * | 2022-05-17 | 2022-08-30 | 西安奥若特材料技术有限公司 | Large composite material part local damage field maintenance device and maintenance method |
| CN116278071A (en) * | 2023-02-09 | 2023-06-23 | 中国科学院电工研究所 | An in-situ repair device and method for insulating support in a long, deep and thin inner bore of an electromagnetic launch barrel |
| CN116278071B (en) * | 2023-02-09 | 2026-01-30 | 中国科学院电工研究所 | A device and method for in-situ repair of insulation support in the long, deep, and narrow bore of an electromagnetic launcher tube. |
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Application publication date: 20190426 |
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| RJ01 | Rejection of invention patent application after publication |