CN108995252A - A kind of method of calibration of composite material parts structural adhesive bonding - Google Patents
A kind of method of calibration of composite material parts structural adhesive bonding Download PDFInfo
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- CN108995252A CN108995252A CN201810673932.0A CN201810673932A CN108995252A CN 108995252 A CN108995252 A CN 108995252A CN 201810673932 A CN201810673932 A CN 201810673932A CN 108995252 A CN108995252 A CN 108995252A
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- Prior art keywords
- glue film
- glued
- splicing
- film
- verification
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- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Abstract
Structural member is carried out positioning assembling and encapsulated vacuum bag by a kind of method of calibration of composite material parts structural adhesive bonding of disclosure of the invention, and according to measure temperature, the time, pressure checking parameter verified；Vacuum bag is removed after the completion of verifying, taking-up sub-assembly measures splicing glue film and determines the number of plies be glued the compensation thickness of glue film and use splicing glue film according to splicing glue film pressured state and region；The isolation film for being glued film surface is thrown off, splicing glue film is directlyed adopt and compensates.The present invention in splicing region paving splicing with glue film by directly being verified, glue film is not removed after the completion of verification, glue film compensation is directly carried out on glue film according to glue film pressured state, compensatory zone is determined on structural member so as to avoid control verification film in traditional method of calibration, compensatory zone is more accurate, verification operation difficulty is reduced, and glue film verification is completed to be directly used in splicing, significantly reduces verification cost.
Description
Technical field
The invention belongs to the molding technical fields of composite processing, and in particular to a kind of composite material parts structure glue
The method of calibration connect.
Background technique
Integrated structure design at present is increasingly becoming a big master of modern or future aircraft composite structure design
Design concept is flowed, integrative design refers to that by several Element Designs be an integration product, reduces number of parts, part machinery
Assembly demand and assembling connecting piece, and then realize that the structure of aircraft designs loss of weight, and composite material is due to its material structure
The characteristics of forming simultaneously, product integrative design degree is also higher and higher.
The forming technique of composite material integration at present mainly uses the structural adhesive bondings techniques such as second bonding, total splicing to realize
Structure integration, but due to that need to match between structure when composite material structural member manufacturing tolerance, surface smoothness difference cause and is glued
It closes gap and carries out fit clearance verification, use the compensation of structural adhesive bonding glue film to guarantee bonding quality according to verification situation.Existing school
It tests and for example dedicated verification film of auxiliary agents is mostly used to carry out, remove dedicated verification film after the completion of verification, according to verification film compression feelings
Condition is compensated using glue film control verification film corresponding region is glued, and dedicated verification film needs dismounting discarded after use, therefore, existing
Have under method of calibration, is glued verification compensating operation difficulty greatly and verification is at high cost, there are be glued face when composite structure splicing
Fit clearance is difficult to the problem of judging and leading to increased costs using other auxiliary examination materials in situ.
Summary of the invention
The purpose of the present invention is to provide a kind of methods of calibration of composite material parts structural adhesive bonding, existing multiple to solve
The problem that operation difficulty is big when condensation material structural adhesive bonding verifies, verification is at high cost, make verification operation is more easy, reduce manufacture at
This.The present invention does not remove glue film, direct root by directly being verified in splicing region paving splicing with glue film after the completion of verification
Glue film compensation is carried out on glue film according to glue film pressured state, so as to avoid control verification film in traditional method of calibration in structural member
Upper determining compensatory zone, compensatory zone is more accurate, reduces verification operation difficulty, and glue film verification is completed to be directly used in glue
It connects, significantly reduces verification cost.
The present invention is achieved through the following technical solutions: a kind of method of calibration of composite material parts structural adhesive bonding,
It mainly comprises the steps that
Step S101: rheometer is used to be tested to obtain the checking parameter in situ for being glued glue film glue film is glued；And according to
It is glued pressure when glue film is glued and determines verification pressure；
Step S102: the smooth paving of glue film will be glued in the splicing face on the surface of unilateral cementing structure part, be glued glue film and be glued
The shape in face is identical；Then it is being glued one layer of isolation film of film surface laying, the area of the isolation film, which is greater than, is glued glue film
Area；
Step S103: structural member is subjected to positioning assembling and encapsulated vacuum bag, and according to the temperature of step S101, time, pressure
Checking parameter verified；Vacuum bag is removed after the completion of verification, takes out sub-assembly, is measured and to glue film is glued according to glue
It connects glue film pressured state and region determines the compensation thickness for being glued glue film and uses the number of plies for being glued glue film；Throw off splicing glue film
The isolation film on surface directlys adopt splicing glue film and compensates.
Determine that the method for being glued the compensation thickness of glue film is the prior art and is not of the invention change in the step S103
Into point, so it will not be repeated.
In order to preferably realize the present invention, further, in the step S101, first using rheometer to splicing glue
It connects glue film and heating viscosity test is carried out using rheometer, obtain the softening initial temperature point for being glued glue film, provide verification temperature spot
T1；Secondly thermostated viscosity test is carried out with glue film is glued to splicing using rheometer, and then acquisition can use verification duration t1；According to
Pressure P1 when the pressure selected when splicing determines verification.
In order to preferably realize the present invention, further, in the S103, in autoclave or baking oven according to temperature T1,
Time t1, pressure P1 are verified.
In order to preferably realize the present invention, further, in the S102, isolation film is stayed relative to the periphery for being glued glue film
The surplus of 20 ~ 40mm out.Isolation film can guarantee not being infected on the structural member of the other side in glue film checking procedure there are surplus.
In order to preferably realize the present invention, further, in the step S103 verify after the completion of splicing glue film not from
It is removed on structural member, and is directly used in structural member splicing after the completion of compensation.
The invention proposes a kind of methods of calibration suitable for composite material parts structural adhesive bonding, use splicing glue
Film carries out verification in situ, it is intended to solve conventional composite materials structural adhesive bonding process and be difficult to standard for interstructural fit clearance region
The problem of really judging and the dedicated high cost problem of auxiliary examination material bring of use, it is suitable for the secondary glue of structural member
It connects, total adhesive technology.
The present invention is achieved by following technological means: carrying out " viscosity-with glue film to composite structure splicing first
Temperature-time " relation test obtains glue film verification technological parameter in situ, and carries out to the composite material structural member that need to be glued quasi-
It is standby to be required with meeting to be glued, the smooth paving of splicing glue film then need to be glued region in composite material surface, using isolation film
It is assembled after structural member is isolated in place, completes verifying work according to the verification technological parameter of acquisition after encapsulated vacuum bag,
Vacuum bag is removed after the completion of verification, and composite material structural member is separated and is observed and is glued region glue film impression, judges structure
Between fit clearance, and glue film compensation is carried out to it.
It is glued face fit clearance when the present invention solves composite structure splicing to be difficult to judgement judgement in situ and use
The technical issues of other auxiliary examination materials lead to increased costs, the verification of glue film original position complete between can intuitively showing splicing face
Matching relationship is simultaneously used directly for adhesive bonding of composites, can be effectively ensured the accuracy of verification, reduce manufacturing cost and after
Continuous compensating operation difficulty.
Technical solution of the present invention the following steps are included:
The first step carries out " viscosity versus temperature-time " relationship to glue film using rheometer and tests, and obtains glue film and verifies in situ
Technological parameter, such as temperature, time, and pressure when pressure determines verification when being glued according to glue film.Second step, will be glued glue film according to
It is required that glue film shape, size are consistent with face is glued according to the smooth paving in region is glued in unilateral side to cementing structure part surface,
Paving is completed in one layer of isolation film of film surface laying, and isolation film is greater than glue film area and reserves 20 ~ 40mm surplus on periphery.The
Three steps, by structural member according to requiring to carry out positioning assembling and as required encapsulated vacuum bag, and according to the in autoclave or baking oven
The fixed temperature of one step, time, pressure parameter are verified.4th step after the completion of to be verified, removes vacuum bag, taking-up group
Component is observed glue film state, is measured, and determines glue film compensation thickness according to glue film pressured state and region and used
The glue film number of plies throws off film surface isolation film, directlys adopt splicing glue film and compensates.
Verification glue film splicing glue film used when being structural adhesive bonding.
The structural adhesive bonding is composite material second bonding or total splicing.
It is described that heating viscosity test is carried out using rheometer with glue film to splicing first, obtain the softening initial temperature of glue film
Point provides verification temperature spot, secondly carries out thermostated viscosity test using rheometer with glue film to splicing, and then obtain to use and verify
Duration, and pressure when verification determining according to the pressure selected when being glued.
Glue film need to be glued the unilateral paving in region according to structural member in the second step.
The glue film shape, size are consistent with face is glued.
Isolation film used in the second step need to be greater than glue film area and reserve 20 ~ 40mm surplus on periphery, guarantee
It is not infected on the structural member of the other side in glue film checking procedure.
Glue film after the completion of verifying in 4th step is not removed from structural member, is directly used in structure after the completion of compensation
Part is glued.
Beneficial effects of the present invention:
(1) present invention does not remove glue film after the completion of verification, directly by directly being verified in splicing region paving splicing with glue film
It connects and carries out glue film compensation on glue film according to glue film pressured state, tied so as to avoid control verification film in traditional method of calibration
Compensatory zone is determined on component, compensatory zone is more accurate, reduces verification operation difficulty, and glue film verification is completed to be directly used in
It is glued, significantly reduces verification cost.
(2) in the step S102, isolation film reserves the surplus of 20 ~ 40mm relative to the periphery for being glued glue film.Isolation film
It can guarantee not being infected on the structural member of the other side in glue film checking procedure there are surplus, there is preferable practicability.
Detailed description of the invention
Fig. 1 is that the splicing of structural member verifies schematic diagram；
Fig. 2 is representative temperature-viscograph schematic diagram；
Fig. 3 is typical time period-viscograph schematic diagram.
Wherein: 1- structural member, 2- are glued glue film, 3- isolation film, 5- tooling.
Specific embodiment
Embodiment 1:
A kind of method of calibration of composite material parts structural adhesive bonding, as shown in Figure 1, mainly comprising the steps that
Step S101: rheometer is used to be tested to obtain the checking parameter in situ for being glued glue film 2 glue film 2 is glued；And root
Verification pressure is determined according to the pressure being glued when glue film 2 is glued；
Step S102: the smooth paving of glue film 2 will be glued in the splicing face on the surface of unilateral cementing structure part 1, be glued glue film 2 and glue
The shape of junction is identical；Then it is being glued 2 surface laying of glue film, one layer of isolation film 3, the area of the isolation film 3, which is greater than, is glued glue
The area of film 2；
Step S103: structural member 1 is subjected to positioning assembling and encapsulated vacuum bag, and according to the temperature of step S101, time, pressure
Checking parameter verified；Vacuum bag is removed after the completion of verifying, takes out sub-assembly, measures simultaneously basis to glue film 2 is glued
It is glued 2 pressured state of glue film and region determines the compensation thickness for being glued glue film 2 and uses the number of plies for being glued glue film 2；Throw off glue
The isolation film 3 for connecing 2 surface of glue film directlys adopt splicing glue film 2 and compensates.
As shown in Figure 1, structural member 1 is placed in tooling 5, it is provided on the surface of the structural member 1 of top and is glued glue film 2,
It is isolation film 3 between structural member 1.
For the present invention by directly being verified in splicing region paving splicing with glue film, verification does not remove glue film after the completion,
Glue film compensation is directly carried out on glue film according to glue film pressured state, is existed so as to avoid control verification film in traditional method of calibration
Compensatory zone is determined on structural member 1, compensatory zone is more accurate, reduces verification operation difficulty, and glue film verification is completed directly
For being glued, verification cost is significantly reduced.
Embodiment 2:
The present embodiment is to optimize on the basis of embodiment 1, as shown in Figure 2 and Figure 3, in the step S101, is used first
Rheometer uses rheometer to carry out heating viscosity test splicing with glue film 2 is glued, and obtains the softening initial temperature for being glued glue film 2
Point provides verification temperature spot T1；Secondly thermostated viscosity test is carried out with glue film 2 is glued to splicing using rheometer, and then obtained
Verification duration t1 can be used；Pressure P1 when determining verification according to the pressure selected when being glued.In the S103, in autoclave or baking oven
It is middle to be verified according to temperature T1, time t1, pressure P1.Splicing glue film 2 after the completion of verifying in the step S103 is not from knot
It is removed on component 1, and is directly used in the splicing of structural member 1 after the completion of compensation.
For the present invention by directly being verified in splicing region paving splicing with glue film, verification does not remove glue film after the completion,
Glue film compensation is directly carried out on glue film according to glue film pressured state, is existed so as to avoid control verification film in traditional method of calibration
Compensatory zone is determined on structural member 1, compensatory zone is more accurate, reduces verification operation difficulty, and glue film verification is completed directly
For being glued, verification cost is significantly reduced.
The other parts of the present embodiment are same as Example 1, and so it will not be repeated.
Embodiment 3:
The present embodiment is optimized on the basis of embodiment 1 or 2, and in the step S102, isolation film 3 is relative to splicing glue
The periphery of film 2 reserves the surplus of 20 ~ 40mm.Isolation film 3 can guarantee not being infected in glue film checking procedure another there are surplus
On the structural member 1 of side, there is preferable practicability.
For the present invention by directly being verified in splicing region paving splicing with glue film, verification does not remove glue film after the completion,
Glue film compensation is directly carried out on glue film according to glue film pressured state, is existed so as to avoid control verification film in traditional method of calibration
Compensatory zone is determined on structural member 1, compensatory zone is more accurate, reduces verification operation difficulty, and glue film verification is completed directly
For being glued, verification cost is significantly reduced.
The other parts of the present embodiment are identical as above-described embodiment 1 or 2, and so it will not be repeated.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit any simple modification to the above embodiments of the invention, equivalent variations, protection of the invention is each fallen within
Within the scope of.
Claims (5)
1. a kind of method of calibration of composite material parts structural adhesive bonding, which is characterized in that mainly comprise the steps that
Step S101: rheometer is used to be tested to obtain the checking parameter in situ for being glued glue film (2) glue film (2) are glued；
And verification pressure is determined according to the pressure being glued when glue film (2) are glued；
Step S102: glue film (2) smooth paving will be glued in the splicing face on the surface of unilateral cementing structure part (1), be glued glue film
(2) identical as the shape in face is glued；Then it is being glued one layer of isolation film (3) of glue film (2) surface laying, the isolation film (3)
Area is greater than the area for being glued glue film (2)；
Step S103: structural member (1) is subjected to positioning assembling and encapsulated vacuum bag, and according to the temperature of step S101, time, pressure
The checking parameter of power is verified；Vacuum bag is removed after the completion of verification, takes out sub-assembly, is measured simultaneously to glue film (2) are glued
The layer for being glued the compensation thickness of glue film (2) and using splicing glue film (2) is determined according to splicing glue film (2) pressured state and region
Number；The isolation film (3) for being glued glue film (2) surface is thrown off, splicing glue film (2) is directlyed adopt and compensates.
2. a kind of method of calibration of composite material parts structural adhesive bonding according to claim 1, which is characterized in that described
In step S101, uses rheometer to carry out heating viscosity test with glue film (2) are glued splicing using rheometer first, obtain glue
The softening initial temperature point for connecing glue film (2) provides verification temperature spot T1；Secondly using rheometer to splicing splicing glue film (2)
Thermostated viscosity test is carried out, and then obtains to use and verifies duration t1；Pressure P1 when determining verification according to the pressure selected when being glued.
3. a kind of method of calibration of composite material parts structural adhesive bonding according to claim 2, which is characterized in that described
In S103, verified in autoclave or baking oven according to temperature T1, time t1, pressure P1.
4. a kind of method of calibration of composite material parts structural adhesive bonding according to claim 3, which is characterized in that described
Splicing glue film (2) after the completion of verifying in step S103 is not removed from structural member (1), and knot is directly used in after the completion of compensation
Component (1) is glued.
5. a kind of method of calibration of composite material parts structural adhesive bonding according to claim 1 or 2, which is characterized in that
In the step S102, isolation film (3) reserves the surplus of 20 ~ 40mm relative to the periphery for being glued glue film (2).
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| CN201810673932.0A CN108995252B (en) | 2018-06-27 | 2018-06-27 | Method for verifying structural adhesive joint of composite material part |
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| CN201810673932.0A CN108995252B (en) | 2018-06-27 | 2018-06-27 | Method for verifying structural adhesive joint of composite material part |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154495A (en) * | 2019-05-21 | 2019-08-23 | 安徽佳力奇碳纤维科技股份公司 | A kind of honeycomb core sag compensation method |
| CN112793193A (en) * | 2020-12-24 | 2021-05-14 | 中国航空制造技术研究院 | Method and tool for checking molding quality of glued joint surface of double-curved-surface variable-thickness aluminum honeycomb |
| CN112810192A (en) * | 2020-12-24 | 2021-05-18 | 中国航空制造技术研究院 | Method for verifying matching quality before gluing original skeleton and new skin and verification tool thereof |
| CN115207601A (en) * | 2022-07-20 | 2022-10-18 | 中国航空工业集团公司济南特种结构研究所 | Conformal antenna structure glue joint compensation method |
| CN115258191A (en) * | 2022-09-26 | 2022-11-01 | 成都飞机工业（集团）有限责任公司 | Assembly clearance compensation method |
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| DE19632589A1 (en) * | 1996-08-13 | 1998-02-19 | Haake Gmbh Geb | Normal reaction measurement for rheometer |
| US20060287482A1 (en) * | 2005-06-17 | 2006-12-21 | Crawford Emmett D | Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and high glass transition temperature and articles made therefrom |
| CN106827557A (en) * | 2017-01-17 | 2017-06-13 | 成都飞机工业（集团）有限责任公司 | Composite is glued reinforced structure and is glued face compensation method altogether |
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2018
- 2018-06-27 CN CN201810673932.0A patent/CN108995252B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19632589A1 (en) * | 1996-08-13 | 1998-02-19 | Haake Gmbh Geb | Normal reaction measurement for rheometer |
| US20060287482A1 (en) * | 2005-06-17 | 2006-12-21 | Crawford Emmett D | Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and high glass transition temperature and articles made therefrom |
| CN106827557A (en) * | 2017-01-17 | 2017-06-13 | 成都飞机工业（集团）有限责任公司 | Composite is glued reinforced structure and is glued face compensation method altogether |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154495A (en) * | 2019-05-21 | 2019-08-23 | 安徽佳力奇碳纤维科技股份公司 | A kind of honeycomb core sag compensation method |
| CN112793193A (en) * | 2020-12-24 | 2021-05-14 | 中国航空制造技术研究院 | Method and tool for checking molding quality of glued joint surface of double-curved-surface variable-thickness aluminum honeycomb |
| CN112810192A (en) * | 2020-12-24 | 2021-05-18 | 中国航空制造技术研究院 | Method for verifying matching quality before gluing original skeleton and new skin and verification tool thereof |
| CN115207601A (en) * | 2022-07-20 | 2022-10-18 | 中国航空工业集团公司济南特种结构研究所 | Conformal antenna structure glue joint compensation method |
| CN115258191A (en) * | 2022-09-26 | 2022-11-01 | 成都飞机工业（集团）有限责任公司 | Assembly clearance compensation method |
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