CN109649679A - Plate repair method - Google Patents
Plate repair method Download PDFInfo
- Publication number
- CN109649679A CN109649679A CN201811195684.XA CN201811195684A CN109649679A CN 109649679 A CN109649679 A CN 109649679A CN 201811195684 A CN201811195684 A CN 201811195684A CN 109649679 A CN109649679 A CN 109649679A
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- CN
- China
- Prior art keywords
- plate
- repair method
- panel
- filled cavity
- plate repair
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/40—Maintaining or repairing aircraft
Abstract
The present invention provides a kind of plate repair method, this method comprises: removing the pars affecta of the plate to form filled cavity；The filled and process aluminum material in the filled cavity.This method is with the pars affecta of foamed aluminium material replacement plate, on the one hand, due to foamed aluminium material intensity with higher and lesser density, the repair method is enabled to make the plate intensity with higher after repairing in the case where not increasing panel weight；On the other hand, foamed aluminium material designability is strong, by parameters such as density, the coefficient of expansion, pore size, the through-hole rates of control foamed aluminium material, is adapted to the repairing requirement of various material plates.
Description
Technical field
The present invention relates to a kind of plate repair methods.
Background technique
Plate is widely used in building, highway transportation, rail traffic, aviation, propagation since structure is simple, easy to make
And the fields such as wind-powered electricity generation.For being applied to the plate of aviation field, due to its application environment harshness, there is the probability damaged in plate
Also it greatly increases.In order to not influence subsequent use, the problem of repairing of plate has become one and receives significant attention.
In existing plate repair method, in order to make the plate intensity with higher after repairing, repairman is used
17# filler (ECS2010.10) replaces plate damage location.However, the 17# filler weight is larger, the usability of plate is affected
Energy.
It should be noted that the information in the invention of above-mentioned background technology part is only used for reinforcing the reason to background of the invention
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The purpose of the present invention is to provide a kind of plate repair method, can make to repair in the case where not increasing panel weight
Plate intensity with higher after reason.
According to an aspect of the present invention, a kind of plate repair method is provided, comprising: remove the pars affecta of the plate with
Form filled cavity；The filled and process aluminum material in the filled cavity.
In a kind of exemplary embodiment of the disclosure, filled and process aluminum material includes: that offer is filled out in the filled cavity
Part is filled, the filling member is foamed aluminium material, and is matched with the shape of the filled cavity；The filled cavity inner surface with
The outer surface coated with adhesive of the filling member；The filling member is bonded in the filled cavity.
In a kind of exemplary embodiment of the disclosure, the plate includes the first panel and second panel of face setting
And the sandwich body between the first panel and the second panel, the filled cavity packet is formed in plate repair method
It includes: determining the pars affecta position；Region in the first panel corresponding to the pars affecta position opens up access opening, with
Form filled cavity；Wherein, the access opening extends to the second panel close to the side of the sandwich body.
In a kind of exemplary embodiment of the disclosure, the plate repair method further include: patch is provided；Make the patch
Piece covers the access opening.
In a kind of exemplary embodiment of the disclosure, the patch includes: lid, is abutted against remote in the first panel
Side from sandwich body；Insert, set on the lid close to the side of the sandwich body, the insert is embedded in the channel
Hole, and match with shape of the access opening in the panel.
In a kind of exemplary embodiment of the disclosure, the insert is in a circular table shape.
In a kind of exemplary embodiment of the disclosure, the ratio of the height and bus of the insert is less than
In a kind of exemplary embodiment of the disclosure, side of the lid far from the sandwich body is cambered surface.
In a kind of exemplary embodiment of the disclosure, the material of the patch is identical as the material of the first panel.
In a kind of exemplary embodiment of the disclosure, the contact surface of the patch and the access opening is coated with bonding
Agent.
The beneficial effect of the present invention compared with prior art is: method disclosed by the invention replaces plate with foamed aluminium material
Pars affecta, on the one hand, due to foamed aluminium material intensity with higher and lesser density, which is existed
Make the plate intensity with higher after repairing in the case where not increasing panel weight；On the other hand, foamed aluminium material can design
Property it is strong, by controlling the parameters such as density, the coefficient of expansion, pore size, through-hole rate of foamed aluminium material, be adapted to various materials
The repairing requirement of plate.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
It is described in detail its exemplary embodiment by referring to accompanying drawing, the above and other feature and advantage of the disclosure will become
It obtains more obvious.It should be evident that the accompanying drawings in the following description is only some embodiments of the present disclosure, it is common for this field
For technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.Attached
In figure:
Fig. 1 is the flow chart of one embodiment of disclosure plate repair method；
Fig. 2 is the flow chart for removing the pars affecta of the plate in disclosure plate repair method to form filled cavity；
Fig. 3 is the flow chart of the filled and process aluminum material in the filled cavity in disclosure plate repair method；
Fig. 4 is the flow chart of another embodiment of disclosure plate repair method；
Fig. 5 is the overall structure diagram of sandwich in disclosure plate repair method；
Fig. 6 is the main view of sandwich in disclosure plate repair method.
In figure: 1, filled cavity；2, patch；21, lid；22, insert；3, filling member；4, first panel；5, the first glue
Layer；6, sandwich body；7, binder；8, second panel；9, the second glue-line.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein；On the contrary, these embodiments are provided so that the disclosure will comprehensively and
Completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Described feature, structure or characteristic
It can be incorporated in any suitable manner in one or more embodiments.In the following description, it provides many specific thin
Section fully understands embodiment of the present disclosure to provide.It will be appreciated, however, by one skilled in the art that this can be practiced
Disclosed technical solution, or can be using other methods etc. without one or more in the specific detail.At it
In the case of it, known solution is not shown in detail or described to avoid fuzzy all aspects of this disclosure.
Term " one ", "the", " described " and "at least one" to indicate there are one or more elements/component part/
Deng；Term " comprising " and " having " is to indicate the open meaning being included and refer to element/group in addition to listing
At part/wait except also may be present other element/component part/etc..
Plate is especially the plate with sandwich, is easy to happen damage in manufacture, processing and in, influences
The normal use of structure will cause waste economically if it find that structure is just replaced in the presence of damage, thus it is necessary to right
The plate of damage takes certain technology to carry out damage repair.According to the structure of plate, the type and size of damage, using different
Repair method, it is most common include resin injection, resin infusion and filling, mechanical connection patch, subsidize with digging etc..It subsidizes,
It is difficult to obtain ideal aerodynamic configuration, antistripping ability is poor, is suitable for not too important component, relatively thin laminate, is limited by back side channel
The inconvenient component for using other repair methods of system.Digging, it is similar to subsidizing, and the material of first drilling removal damaged part, but
Unlike, what is bored is to have the hole of certain taper and then use adhesive that matched pieces of cloth bonding up, is generally used for repairing
There is the component of stringent shape requirement, repairing effect is more preferable, and application is more extensive.
Disclosure embodiment provides a kind of plate repair method, as shown in Figure 1, the plate repair method may include
Step S11 and step S12.Wherein:
Step S11, the pars affecta of the plate is removed to form filled cavity.
Step S12, the filled and process aluminum material in the filled cavity.
Disclosure embodiment is with the pars affecta of foamed aluminium material replacement plate, on the one hand, since foamed aluminium material has
Higher intensity and lesser density enable the repair method to make the plate after repairing in the case where not increasing panel weight
Material intensity with higher；On the other hand, foamed aluminium material designability is strong, by the density, the expansion that control foamed aluminium material
The parameters such as coefficient, pore size, through-hole rate are adapted to the repairing requirement of various material plates；Another aspect, reduces plate
The number replaced by damage reduces waste economically.
In the following, will be to being further detailed the step of plate repair method in disclosure embodiment.
Step S11, the pars affecta of the plate is removed to form filled cavity.
In one embodiment, which can be individual panel construction or sandwich.Using plate as interlayer knot
For structure, as shown in Figure 5 and Figure 6, which includes the first panel 4 of face setting and second panel 8 and is located at the
Sandwich body 6 between one panel 4 and second panel 8.Wherein, the first panel 4 and second panel 8 prepared by identical material and
At the material can be for example carbon fiber or glass reinforced plastic, and so as to intensity with higher, certainly, material can also be other
Material with higher-strength, will not enumerate herein.In addition, the sandwich body 6 can be cellular sandwich body, more specifically,
The sandwich body 6 is aluminum honeycomb sandwich body, but the sandwich body 6 in disclosure embodiment is without being limited thereto.In addition, the sandwich is also
It may include the first glue-line 5 between first panel 4 and sandwich body 6, and between second panel 8 and sandwich body 6
Two glue-lines 9.
In one embodiment, which can be manufacture damage or impact injury.Wherein, manufacture damage can be
It is generated when machining and assembly, such as indentation, scratch or drilling are improper.The impact injury can be to be drawn by high energy impact events
It rises, such as bullet, non-inclusive engine debris, bird such as hit at the damage caused by the impact of exotics, can also be that low energy is rushed
It hits, such as is damaged caused by the shock of the maintenance preventions such as fork truck.
As shown in Fig. 2, the step S11 may include step S111 and step so that the plate is sandwich as an example
S112.Wherein:
Step S111, the pars affecta position is determined.
In one embodiment, pars affecta method for determining position may include visual inspection, Liquid penetrant testing, ray detection
At least one of with ultrasound examination.For example, pars affecta position is determined by ray detection.Wherein, ray is penetrated for X
Line, and pass through the absorbability diversity judgement pars affecta position of detection pars affecta and not damaged army's ray.It is examined by X-ray
It surveys, not only can detecte out the face crack of sandwich, can also detect that the underbead crack that cannot visually reach.In addition,
It can determine the range of pars affecta using the above method simultaneously when determining pars affecta position, and damage appearance is carried out to damaged structure
Limit and Analysis Residual Strength, decide whether to place under repair based on the analysis results.
Step S112, as shown in Figure 5 and Figure 6, the region in the first panel 4 corresponding to the pars affecta position is opened
If access opening, to form filled cavity 1, wherein the access opening extends to the second panel 8 close to the one of the sandwich body 6
Side.
The pars affecta of above-mentioned determination is removed by opening up access opening.In one embodiment, sandwich is fixed on
The microscope carrier of boring device corresponds to the periphery of the regional assignment access opening to be opened up of pars affecta position in first panel 4
Line carries out bore operation using the drill bit being adapted to the outer peripheral lines size.In addition, to avoid bit breakage during bore operation
To second panel 8, to guarantee that the access opening extends to second panel 8 close to the side of sandwich body 6.In addition, forming access opening
Cleaning operation carried out to access opening afterwards, such as can be by with acetone flushing channel hole surface, it is, of course, also possible to using other poles
The stronger solvent of property.Disclosure embodiment does not enumerate herein.
Step S12, the filled and process aluminum material in the filled cavity.
Foamed aluminium is that after adding additives to pure aluminum or aluminum alloys, to be formed by foam process, have excellent insulation
The characteristics such as heat preservation, electromagnetic shielding, conductive, sound absorption energy-absorbing.When repairing plate using foamed aluminium, pass through control foamed aluminium material
Above-mentioned characteristic can be such that the plate after repairing has the effect of new.In one embodiment, plate is to apply having electromagnetic shielding
It is required that and sound absorption require device on, the plate after being repaired using foamed aluminium material can provide preferably electromagnetic shielding and it is sound absorption properties
Energy.In addition, the foamed aluminium material can be liquid or solid.For example, which is liquid, by by fluid bubble
Foam aluminum material is cast in filled cavity to complete filling operation.
By taking the sandwich containing cellular sandwich body as an example, in existing repair method other than 17# filler, it can also use
New cellular sandwich and low-viscosity compound are as packing material.Compared with new cellular sandwich and low-viscosity compound, foamed aluminum materials
Material, which has, preferably repairs effect, while meeting static strength required when sandwich damage repair, stability, durable
Property, rigidity, aerodynamic configuration, operating temperature, environment influence, weight and balance etc. require.
As shown in figure 3, the step S12 may include step S121, step S122 and step S123.Wherein:
Step S121, filling member is provided, the filling member is foamed aluminium material, and the shape phase with the filled cavity
Match.
In one embodiment, it by taking foamed aluminium material is solid as an example, by processing solid foam aluminum material, is formed and is somebody's turn to do
The filling member that the shape of filled cavity matches.Specifically, the filling member is also cylindrical when filled cavity is cylindrical, and
It is of the same size；When filled cavity is cone, which is the circular cone with identical size.Certainly, the filling member
It can also be that other shapes, disclosure embodiment do not enumerate herein with filled cavity.In addition, the solid bubble that processing is selected
The density of foam aluminum material and the density of plate are close.
Step S122, it as shown in Figure 5 and Figure 6, is applied in the outer surface of the inner surface of the filled cavity 1 and the filling member 3
Cover binder 7.
In one embodiment, in the inner surface coated with adhesive 7 of the filled cavity 1, such as can be by way of spraying
It realizes.In addition, in the outer surface coated with adhesive 7 of the filling member 3, such as can be by the way that filling member 3 is immersed liquid adhesive 7
Middle realization.In addition, the binder 7 can effectively solidify at room temperature, can effectively connect filling member 3 and filled cavity 1, this is viscous
Tying agent 7 for example can be EA9396 glue.By the outer surface coated with adhesive 7 of inner surface and filling member 3 in filled cavity 1, increase
Big binding force between filling member 3 and filled cavity 1, improves plate to the resistivity of applied external force, enhances plate
Intensity.
Step S123, as shown in Figure 5 and Figure 6, the filling member 3 is bonded in the filled cavity 1.
In one embodiment, by taking filling member 3 is cylindrical as an example, after filling member 3 is placed in filled cavity 1, rotary filling
Part 3 is filled, and moves up and down filling member 3 in filled cavity 1, the binder 7 of above-mentioned coating is enable to be uniformly distributed in filled cavity 1
Inner surface further enhances plate to increase the binding force between filling member 3 and filled cavity 1 with 3 outer surface of filling member
Intensity.
As shown in figure 4, the plate repair method of another embodiment of the disclosure further includes step S13 and step S14.Its
In:
Step S13, as shown in Figure 5 and Figure 6, patch 2 is provided.
In one embodiment, 2 material of patch is identical as the material of first panel 4, so that the plate after repairing has
There is good homogenieity.In addition, the patch 2 may include lid 21 and insert 22.Wherein, lid 21 abuts against first panel
Far from the side of sandwich body 6 on 4, for covering access opening.Side of the lid 21 far from sandwich body 6 is cambered surface, so as to repair
Plate afterwards has good aerodynamic configuration when being used for aviation field.The lid 21 is plane close to the side of sandwich body 6, more
Specifically, the plane is circular flat, and radius of the radius of the circular flat at least than the access opening in sandwich body 6 is big
20mm, such as can be 22mm.In addition, the insert 22 is set to lid 21 close to the side of sandwich body 6, the insert 22 insertion
Access opening, and match with the shape of access opening in the panel.The shape of insert 22 for example can be to be round table-like, this is round table-like
The ratio of the height and bus of insert is less thanSuch as can be OrBut round table-like insert 22 in disclosure embodiment
Height it is without being limited thereto with the ratio of bus.Insert 22 under the ratio can greatly improve the intensity of plate after repairing.
Step S14, the patch is made to cover the access opening.
It in one embodiment, should as shown in fig. 6, the surface that the patch 2 is used to cover access opening is coated with binder 7
Binder 7 is identical as binder coated by 3 outer surface of filling member.By coating the binder 7, patch 2 and plate are enhanced
Binding force, improve the antistripping ability of patch 2.In addition, needing to carry out binder 7 after patch 2 is covered access opening
Curing process can solidify at room temperature, or use and be heating and curing.After solidification, outer surface processing is carried out to plate,
Such as plate can be wiped, with clean surface.If former plate surface is equipped with coating, it is also desirable to carry out restoring coating work
Industry.In addition, repairing terminates to carry out inspection and evaluation to maintenance status.By taking honeycomb sandwich construction as an example, removes and damaged in sandwich
Honeycomb to form filled cavity, repaired using foamed aluminium material as filling member, the bee by finite element analysis, after repairing
The recovery of nest sandwich intensity reaches 100%.
Those skilled in the art will readily occur to other embodiments of the present invention after considering specification and practice.This
Application is intended to cover any variations, uses, or adaptations of the invention, these variations, uses, or adaptations are abided by
Follow general principle of the invention and including common knowledge or conventional techniques in the art.Description and embodiments
It is considered only as illustratively, true scope and spirit of the invention are pointed out by the attached claims.
Claims (10)
1. a kind of plate repair method characterized by comprising
The pars affecta of the plate is removed to form filled cavity；
The filled and process aluminum material in the filled cavity.
2. plate repair method according to claim 1, which is characterized in that the filled and process aluminum material in the filled cavity
Include:
Filling member is provided, the filling member is foamed aluminium material, and is matched with the shape of the filled cavity；
In the inner surface of the filled cavity and the outer surface coated with adhesive of the filling member；
The filling member is bonded in the filled cavity.
3. plate repair method according to claim 1, which is characterized in that the plate includes the first face of face setting
Plate and second panel and the sandwich body between the first panel and the second panel are formed in plate repair method
The filled cavity includes:
Determine the pars affecta position；
Region in the first panel corresponding to the pars affecta position opens up access opening, to form filled cavity；
Wherein, the access opening extends to the second panel close to the side of the sandwich body.
4. plate repair method according to claim 3, which is characterized in that the plate repair method further include:
Patch is provided；
The patch is set to cover the access opening.
5. plate repair method according to claim 4, which is characterized in that the patch includes:
Lid abuts against the side in the first panel far from the sandwich body；
Insert, set on the lid close to the side of the sandwich body, the insert is embedded in the access opening, and with it is described
Shape of the access opening in the panel matches.
6. plate repair method according to claim 5, which is characterized in that the insert is in a circular table shape.
7. plate repair method according to claim 6, which is characterized in that the height of the insert is small with the ratio of bus
In
8. plate repair method according to claim 5, which is characterized in that side of the lid far from the sandwich body
For cambered surface.
9. plate repair method according to claim 4, which is characterized in that the material of the patch and the first panel
Material it is identical.
10. plate repair method according to claim 4, which is characterized in that the contact of the patch and the access opening
Face is coated with binder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195684.XA CN109649679A (en) | 2018-10-15 | 2018-10-15 | Plate repair method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195684.XA CN109649679A (en) | 2018-10-15 | 2018-10-15 | Plate repair method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109649679A true CN109649679A (en) | 2019-04-19 |
Family
ID=66110284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811195684.XA Pending CN109649679A (en) | 2018-10-15 | 2018-10-15 | Plate repair method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109649679A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110815877A (en) * | 2019-10-12 | 2020-02-21 | 哈尔滨飞机工业集团有限责任公司 | Repair method for penetrating damage of thin-wall composite laminated structure with curvature |
| CN111843375A (en) * | 2020-07-31 | 2020-10-30 | 崔德念 | Melting repairing method for repairing stainless steel workpiece cracks |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110815877A (en) * | 2019-10-12 | 2020-02-21 | 哈尔滨飞机工业集团有限责任公司 | Repair method for penetrating damage of thin-wall composite laminated structure with curvature |
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| CN111843375B (en) * | 2020-07-31 | 2021-12-21 | 中山市方威金属科技有限公司 | Melting repairing method for repairing stainless steel workpiece cracks |
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Application publication date: 20190419 |