EP1592535A1 - Verfahren zur vorbereitung von oberflächen kohlenstofffaserv erstärkter kunststoffe für die weiterverarbeitung zu tr agenden strukturteilen - Google Patents
Verfahren zur vorbereitung von oberflächen kohlenstofffaserv erstärkter kunststoffe für die weiterverarbeitung zu tr agenden strukturteilenInfo
- Publication number
- EP1592535A1 EP1592535A1 EP03795730A EP03795730A EP1592535A1 EP 1592535 A1 EP1592535 A1 EP 1592535A1 EP 03795730 A EP03795730 A EP 03795730A EP 03795730 A EP03795730 A EP 03795730A EP 1592535 A1 EP1592535 A1 EP 1592535A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- further processing
- structural parts
- carried
- plastic surfaces
- blasting agent
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000004918 carbon fiber reinforced polymer Substances 0.000 title claims abstract description 9
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 3
- 239000010431 corundum Substances 0.000 claims abstract description 3
- 238000005422 blasting Methods 0.000 claims description 20
- 239000004033 plastic Substances 0.000 claims description 17
- 229920003023 plastic Polymers 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000003908 quality control method Methods 0.000 claims description 2
- 239000011265 semifinished product Substances 0.000 claims description 2
- 238000000227 grinding Methods 0.000 abstract description 8
- 239000000835 fiber Substances 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000005488 sandblasting Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000275 quality assurance Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000006148 magnetic separator Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011049 pearl Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/06—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for producing matt surfaces, e.g. on plastic materials, on glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
Definitions
- the invention relates to a method for preparing plastic surfaces, preferably surfaces of carbon fiber reinforced plastics, for further processing of structural parts to be carried, in particular to wing of aircraft, by abrasive removal of the surface.
- the surfaces intended for further processing by gluing are first ground and complex quality assurance measures are taken to check the grinding result.
- a waterbreak test is carried out, which uses the different surface tension of ground and contaminated surfaces to make a statement about the quality of the grinding result.
- the adhesive surface is completely wetted with deionized water. Then the surface is placed vertically so that the water can drain off. When the surface is well cleaned, the water flows off evenly. Pearls of water form in contaminated areas. Such spots have to be reground. To remove the water or any residual moisture, the parts must still be dried in the oven.
- the object of the invention is to propose a method for the preparation of plastic surfaces, preferably surfaces of carbon fiber reinforced plastics, for the further processing of structural parts to be carried, in particular to wing of aircraft, by abrasive removal of the surface, which reduces the risk of cutting through fibers but at the same time Enables higher bond strength with less rework.
- This object is achieved in the generic method in that the removal is carried out by blasting the surface by means of a blasting agent distributed in a gaseous fluid.
- a blasting agent distributed in a gaseous fluid.
- the quality of this surface even exceeds that of a ground surface.
- breaking attempts the components fail not at the gluing point, but in the base material, which advantageously increases the load-bearing capacity of the glued structural parts.
- Contamination of the mechanically cleaned surface by the fluid is advantageously avoided in that the gaseous fluid is dried and de-oiled air.
- blasting agent is applied to the surface to be treated by means of a low-pressure jet, preferably from a pressure vessel with less than 2.5 bar.
- the measure serves the same purpose in that the abrasive is applied to the surface to be treated by means of a vortex jet nozzle.
- the rotating jet of the vortex jet nozzle prevents the formation of so-called hot spots.
- An optical control of the work result is advantageously sufficient to ensure a sufficient surface quality.
- the treatment with the abrasive is carried out until an almost cloud-free matt treated surface is reached. This quality is advantageous in accordance with DIN EN ISO 12944-4 SA 2.5 on the Work result defined. Extensive waterbreak tests with drying steps in complex, large ovens can be omitted.
- a quality control of the treated surface is carried out by measuring a surface resistance and / or by optical control using a comparison sample.
- the reproducibility of the work result is further improved if the treatment is carried out in an air-conditioned, preferably draft-free environment.
- the surface is vacuum-packed for transport.
- Such packaging is already sufficient to transfer the operation according to the invention from the dust-sensitive component assembly to external suppliers.
- the statistical stability of the work result with its qualitative advantages is further improved if the abrasive is not circulated.
- the preparation by means of magnetic separators is not possible with the plastics to be treated with the method according to the invention, since they are non-magnetic. You must therefore use Air sightings or flotation. The lack of preparation also saves these process steps.
- the object is also achieved, in particular, by a semi-finished product, preferably made of carbon fiber reinforced plastic, with a structural part to be carried for further processing
- prepregs are pretreated according to the invention in the pressure jet process for gluing, for example using stringers on outer skins, adhesive bonding, ribs, fittings, etc.
- the process results in low material removal without the dimensional accuracy of the component being impaired. It cleans the surface by mechanically removing the surface, which, however, can be metered precisely in a particularly advantageous manner. There is an approx. 10-fold security against damage to the fibers of the plastic.
- the blasting treatment is carried out dry, the effect on the component surface being largely determined by the choice of the blasting agent.
- the surface roughness is primarily determined by the abrasive and the pressure.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reinforced Plastic Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Inorganic Fibers (AREA)
- Ceramic Products (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200331877T SI1592535T1 (sl) | 2003-01-22 | 2003-11-05 | Postopek za pripravo površin umetnih snovi ojačenih z ogljikovimi vlakni za nadaljnjo predelavov nosilne strukturne dele |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10302594 | 2003-01-22 | ||
DE10302594A DE10302594A1 (de) | 2003-01-22 | 2003-01-22 | Verfahren zur Vorbereitung von Oberflächen kohlenstofffaserverstärkter Kunststoffe für die Weiterverarbeitung zu tragenden Strukturteilen |
PCT/DE2003/003675 WO2004067229A1 (de) | 2003-01-22 | 2003-11-05 | Verfahren zur vorbereitung von oberflächen kohlenstofffaserverstärkter kunststoffe für die weiterverarbeitung zu tragenden strukturteilen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1592535A1 true EP1592535A1 (de) | 2005-11-09 |
EP1592535B1 EP1592535B1 (de) | 2010-09-22 |
Family
ID=32602895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03795730A Expired - Lifetime EP1592535B1 (de) | 2003-01-22 | 2003-11-05 | Verfahren zur vorbereitung von oberflächen kohlenstofffaserverstärkter kunststoffe für die weiterverarbeitung zu tragenden strukturteilen |
Country Status (9)
Country | Link |
---|---|
US (1) | US20050130565A1 (de) |
EP (1) | EP1592535B1 (de) |
AT (1) | ATE482054T1 (de) |
DE (2) | DE10302594A1 (de) |
DK (1) | DK1592535T3 (de) |
ES (1) | ES2348707T3 (de) |
PT (1) | PT1592535E (de) |
SI (1) | SI1592535T1 (de) |
WO (1) | WO2004067229A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008022649A1 (de) * | 2008-05-07 | 2009-11-12 | Airbus Deutschland Gmbh | Verfahren und Vorrichtung zur Vorbereitung von Oberflächen kohlestofffaserverstärkter Kunststoffe |
RU2457933C2 (ru) * | 2010-10-28 | 2012-08-10 | Государственное образовательное учреждение высшего профессионального образования "Уфимский государственный нефтяной технический университет" | Способ абразивно-струйной очистки поверхности от органических загрязнений |
DE102017220032A1 (de) | 2017-11-10 | 2019-05-16 | Premium Aerotec Gmbh | Verfahren zur behandlung einer oberfläche eines faserverbundbauteils |
CN111390654A (zh) * | 2020-03-30 | 2020-07-10 | 中国科学院宁波材料技术与工程研究所 | 一种碳纤维树脂基复合材料表面的处理方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3691000A (en) * | 1971-03-10 | 1972-09-12 | Celanese Corp | Glass fiber reinforced composite article exhibiting enhanced longitudinal tensile and compressive moduli |
US3828520A (en) * | 1973-04-04 | 1974-08-13 | Substrate Inc | Vacuum packaging method and platen therefor |
DE3026650A1 (de) * | 1980-07-14 | 1982-04-08 | Manfred Meyer GmbH, 7000 Stuttgart | Kunststoffoberflaechen-behandlung durch strahlen mit beschleunigter und energiegeladener teilchen, als basis fuer kunststoffoberflaechen-beschichtungen |
US4731125A (en) * | 1984-04-19 | 1988-03-15 | Carr Lawrence S | Media blast paint removal system |
US4787179A (en) * | 1987-08-10 | 1988-11-29 | Lewis Richard E | Abrasive blasting containment system |
DE3802042A1 (de) * | 1988-01-25 | 1989-07-27 | Thera Ges Fuer Patente | Verfahren zur vorbereitung einer substratoberflaeche fuer die verbindung mit kunststoff durch aufbringen einer siliciumhaltigen schicht und verwendung von siliciumhaltigem material |
DE3814192A1 (de) * | 1988-04-27 | 1989-11-09 | Schlick Roto Jet Masch | Verfahren und vorrichtung zur entfernung von beschichtungen auf kunststoff-laminaten |
US5063015A (en) * | 1989-03-13 | 1991-11-05 | Cold Jet, Inc. | Method for deflashing articles |
GB9020204D0 (en) * | 1990-09-15 | 1990-10-24 | Pain B R K | Surface treatment |
US5431958A (en) * | 1992-03-09 | 1995-07-11 | Sharp Kabushiki Kaisha | Metalorganic chemical vapor deposition of ferroelectric thin films |
DE4226789A1 (de) * | 1992-08-13 | 1994-02-17 | Sigri Great Lakes Carbon Gmbh | Faserverstärkte Kunststoffwalze mit äußerer, verschleißfester, füllerhaltiger Kunststoffschicht |
DE4303188C1 (de) * | 1993-02-04 | 1994-05-26 | Kies Karl Heinz | Strahldüse für ein Sandstrahlgerät zur Bestrahlung planebener Flächen |
JPH0796977A (ja) * | 1993-06-08 | 1995-04-11 | Ajinomoto Co Inc | 易酸化性物品二重包装物 |
DE19517570A1 (de) * | 1995-05-12 | 1996-11-14 | Guenter Ott | Oberflächenverarbeitungsverfahren und damit hergestelltes Werkstück |
EP0910267A1 (de) * | 1996-06-13 | 1999-04-28 | Strix Limited | Elektrisch beheizter wassererhitzer |
DE19640945A1 (de) * | 1996-10-04 | 1998-04-16 | Polygram Manufacturing & Distr | Verfahren und Vorrichtung zum mechanischen Entfernen einer Fremdstoffbeschichtung von einem Basismaterial |
DE19729891B4 (de) * | 1997-07-12 | 2006-12-21 | AHC-Oberflächentechnik GmbH & Co. OHG | Verfahren zur gezielten Aufrauhung von Kunststoffoberflächen und Vorrichtung zur Ausführung des Verfahrens |
JPH11198034A (ja) * | 1998-01-16 | 1999-07-27 | Nippei Toyama Corp | 研削加工方法及び研削盤 |
FR2775919B1 (fr) * | 1998-03-13 | 2000-06-02 | Virsol | Procede de traitement "mecano-chimique" d'un materiau |
DE29820577U1 (de) * | 1998-11-18 | 1999-01-28 | Zander Umwelt GmbH, 91080 Spardorf | Schleifkabinenanordnung zum Einbau in Gebäude |
DE19943005A1 (de) * | 1999-09-09 | 2001-05-23 | Heinrich Gruber | Verfahren zum Reinigen der Oberfläche eines Kunststoffgegenstands |
-
2003
- 2003-01-22 DE DE10302594A patent/DE10302594A1/de not_active Ceased
- 2003-11-05 DE DE50313119T patent/DE50313119D1/de not_active Expired - Lifetime
- 2003-11-05 EP EP03795730A patent/EP1592535B1/de not_active Expired - Lifetime
- 2003-11-05 AT AT03795730T patent/ATE482054T1/de active
- 2003-11-05 DK DK03795730.5T patent/DK1592535T3/da active
- 2003-11-05 ES ES03795730T patent/ES2348707T3/es not_active Expired - Lifetime
- 2003-11-05 PT PT03795730T patent/PT1592535E/pt unknown
- 2003-11-05 WO PCT/DE2003/003675 patent/WO2004067229A1/de active Application Filing
- 2003-11-05 SI SI200331877T patent/SI1592535T1/sl unknown
- 2003-11-05 US US10/508,290 patent/US20050130565A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2004067229A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2004067229A1 (de) | 2004-08-12 |
US20050130565A1 (en) | 2005-06-16 |
DE10302594A1 (de) | 2004-07-29 |
PT1592535E (pt) | 2010-10-12 |
ES2348707T3 (es) | 2010-12-13 |
DK1592535T3 (da) | 2010-12-13 |
SI1592535T1 (sl) | 2010-11-30 |
DE50313119D1 (de) | 2010-11-04 |
ATE482054T1 (de) | 2010-10-15 |
EP1592535B1 (de) | 2010-09-22 |
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