CN104139531A - Method for improving adhesion property of prepreg and fixture when composite material is automatically belt-laid - Google Patents
Method for improving adhesion property of prepreg and fixture when composite material is automatically belt-laid Download PDFInfo
- Publication number
- CN104139531A CN104139531A CN201410299227.0A CN201410299227A CN104139531A CN 104139531 A CN104139531 A CN 104139531A CN 201410299227 A CN201410299227 A CN 201410299227A CN 104139531 A CN104139531 A CN 104139531A
- Authority
- CN
- China
- Prior art keywords
- prepreg
- frock
- paving
- laying
- fixture
- 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
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
- 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
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
- B29C70/386—Automated tape laying [ATL]
-
- 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
- B29C70/546—Measures for feeding or distributing the matrix material in the reinforcing structure
- B29C70/547—Measures for feeding or distributing the matrix material in the reinforcing structure using channels or porous distribution layers incorporated in or associated with the product
Abstract
The invention relates to a method for improving an adhesion property of prepreg and fixture when a composite material is automatically belt-laid. The method comprises the following steps of after the surface is cleaned, coating the surface of the fixture for automatic belt-laying with a releasing agent according to the manufacturing process specification and drying the surface of the fixture; laying a layer of two-sided adhesive strippable cloth on the surface of the fixture, wherein when the strippable cloth is laid, only butt joint but is allowed, the lap joint is not allowed, and the butt-joint gap can be less than or equal to 1.5mm; and preparing a vacuum bag after the strippable cloth is laid according to the manufacturing process specification, cold drawing and compacting the vacuum bag, and performing the laying of the prepreg after the vacuum bag is disassembled.
Description
Technical field
The present invention relates to aero-manufacturing technology field, especially for aviation composite material parts manufacture automated tape-laying manufacturing process, specifically first floor prepreg and the adhering method of frock in a kind of raising composite automated tape-laying manufacture process.
Background technology
Composite automated tape-laying technique, is to adopt numerical control laying equipment, realizes continuous surface trimming and the automatic placement of composite material presoaked cloth, band by the means of digitlization, automation.Main working process is: material prepreg volume is arranged in placement head, preimpregnation material is derived by one group of roller, and be pressed on the material that frock or last layer completed by pinch rollers Huo Ke conformal mechanism, cutter cut off material by the direction setting, can guarantee that the material of lay and the profile of frock are consistent.In the time of lay, feed back roller reclaims back lining materials.
Composite manufacture is mainly used in the curved face type member of plane or low curvature by automated tape-laying manufacturing process, in other words directrix plane type composite element layer paved making, be particularly suitable for the manufacture of large scale and complex component, the application of automated tape-laying manufacturing process on product, significantly improve production efficiency and product quality, reduces manufacturing cost.Through the development and perfection of four more than ten years, automated tape-laying equipment and technology are ripe at US and European, and for Aviation Composite Structure part, manufacture on a large scale, as Boeing 777 airplane empennage, horizontal and vertical stabilization covering, A340 empennage, horizontal stabilizer covering, the thriving box of A380 stabilization covering and central authorities etc.
Multiple being manufactured in clean room of material part carried out, temperature constant in clean room, paving frock mostly is metal frock, frock surface temperature is lower, in using the process of automated tape-laying machine paving first floor preimpregnation material strip, first floor prepreg is difficult to stick to frock surface, occurs the situations such as material strip slippage or bulge, directly affects the workmanship of part.Conventionally adopt at present at the frock surface coating tackifier compatible with prepreg, or at frock surface paving one deck glued membrane, increase the adhesiveness of prepreg and frock.The tackifier of coating can be cured to piece surface, cause part to thicken; Whether use glued membrane to be stipulated in part fabrication drawing by airplane design, while stipulating in part fabrication drawing, can not use.
Summary of the invention
The object of the present invention is to provide the ancillary fabrication method of a kind of multiple material part in manufacturing, can effectively guarantee the adhesiveness of first floor prepreg and frock in automated tape-laying machine paving process.
Prepreg and the adhering method of frock during raising composite automated tape-laying, after it is characterized in that the frock of first automated tape-laying being used is cleaned out, also dry by manufacturing process standard brushing releasing agent on frock surface; Secondly at the peelable cloth of frock surface paving one deck double-sided belt glue, during the peelable cloth of paving, only allow docking, do not allow overlap joint, butt-joint clearance≤1.5mm; After the peelable cloth of paving, by manufacturing process standard vacuum bag processed and carry out cold-draw compacting, remove the paving that starts again prepreg after vacuum bag.
The present invention has following beneficial effect: 1, at the peelable cloth of frock surface paving double-sided belt glue, increase the adhesiveness of first floor prepreg and frock, can meet Production requirement; 2, peelable cloth can effectively be protected the multiple material piece surface of its covering after solidifying with part, prevents that piece surface from scratching, and part tears peelable cloth again while using; 3, process is simple and reliable, has improved paving qualification rate, reduces production costs.
The specific embodiment
1, frock removing surface
In environmental monitoring district, by the requirement of manufacturing process standard, clean out the residue on frock surface, and clean out frock surface contaminant with cleaning solvent.
2, the coating of frock surface releasing agent and dry
Guarantee that the frock surface temperature that applies releasing agent is not less than 16 ℃, adopt spraying or use clean wiper obliterating releasing agent.While applying later layer releasing agent, should adopt the direction vertical with last layer to apply, to guarantee that releasing agent can cover last layer completely.Drying time after drying time before and after the coating number of plies of releasing agent, coating between two-layer releasing agent and temperature, last time releasing agent coating and temperature are by manufacturing process regulation enforcement.
3, the paving of the peelable cloth of double-sided belt glue
Frock is moved to the paving that clean room carries out peelable cloth, during the peelable cloth of paving, only allow docking, do not allow overlap joint, butt-joint clearance≤1.5mm.
For manual easy-operating frock, the peelable cloth on frock surface can adopt manual paving, after paving is complete, on peelable cloth, place non-porous release film, and in non-porous release film, place airfelt, then make vacuum bag, finally carry out cold-draw compacting, be not less than-0.08MPa of vacuum during compacting, time is 15min at least, starts the paving of prepreg after the complete unpacking of compacting.
For manual unworkable frock, can purchase the peelable cloth roll of the double-sided belt glue mating with automated tape-laying machine, adopt automated tape-laying machine to carry out paving, the volume that reloads after peelable cloth paving is complete directly starts the paving of prepreg.
Claims (1)
1. prepreg and the adhering method of frock while improving composite automated tape-laying, after it is characterized in that the frock of first automated tape-laying being used is cleaned out, also dry by manufacturing process standard brushing releasing agent on frock surface; Secondly at the peelable cloth of frock surface paving one deck double-sided belt glue, during the peelable cloth of paving, only allow docking, do not allow overlap joint, butt-joint clearance≤1.5mm; After the peelable cloth of paving, by manufacturing process standard vacuum bag processed and carry out cold-draw compacting, remove the paving that starts again prepreg after vacuum bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299227.0A CN104139531A (en) | 2014-06-27 | 2014-06-27 | Method for improving adhesion property of prepreg and fixture when composite material is automatically belt-laid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299227.0A CN104139531A (en) | 2014-06-27 | 2014-06-27 | Method for improving adhesion property of prepreg and fixture when composite material is automatically belt-laid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104139531A true CN104139531A (en) | 2014-11-12 |
Family
ID=51848942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410299227.0A Pending CN104139531A (en) | 2014-06-27 | 2014-06-27 | Method for improving adhesion property of prepreg and fixture when composite material is automatically belt-laid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104139531A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092413A (en) * | 2020-09-29 | 2020-12-18 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Flexible carbon nanotube film self-heating platform and method for assisting in automatic laying |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6416613B1 (en) * | 1998-06-23 | 2002-07-09 | Nextec Applications, Inc. | Products of and method for improving adhesion between substrate and polymer layers |
| CN101750239A (en) * | 2008-12-22 | 2010-06-23 | 西安飞机工业（集团）有限责任公司 | Method for processing composite material test plate |
| CN102555302A (en) * | 2011-12-16 | 2012-07-11 | 沈阳飞机工业（集团）有限公司 | Process method of whole cocure shaping of honeycomb sandwich structure of composite material |
| CN102794913A (en) * | 2012-09-12 | 2012-11-28 | 沈阳飞机工业（集团）有限公司 | Method for hollow molding of compound material and auxiliary assembly thereof |
| CN103448259A (en) * | 2013-09-18 | 2013-12-18 | 沈阳飞机工业（集团）有限公司 | Automatic belt paving machine blank folding tool convenient to transfer and folding method |
-
2014
- 2014-06-27 CN CN201410299227.0A patent/CN104139531A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6416613B1 (en) * | 1998-06-23 | 2002-07-09 | Nextec Applications, Inc. | Products of and method for improving adhesion between substrate and polymer layers |
| CN101750239A (en) * | 2008-12-22 | 2010-06-23 | 西安飞机工业（集团）有限责任公司 | Method for processing composite material test plate |
| CN102555302A (en) * | 2011-12-16 | 2012-07-11 | 沈阳飞机工业（集团）有限公司 | Process method of whole cocure shaping of honeycomb sandwich structure of composite material |
| CN102794913A (en) * | 2012-09-12 | 2012-11-28 | 沈阳飞机工业（集团）有限公司 | Method for hollow molding of compound material and auxiliary assembly thereof |
| CN103448259A (en) * | 2013-09-18 | 2013-12-18 | 沈阳飞机工业（集团）有限公司 | Automatic belt paving machine blank folding tool convenient to transfer and folding method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092413A (en) * | 2020-09-29 | 2020-12-18 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Flexible carbon nanotube film self-heating platform and method for assisting in automatic laying |
| CN112092413B (en) * | 2020-09-29 | 2024-04-12 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Self-heating platform and method for auxiliary automatic laying flexible carbon nanotube film |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141112 |