EP1247878B1 - Gerät zur Laser-Pulverbeschichtung - Google Patents
Gerät zur Laser-Pulverbeschichtung Download PDFInfo
- Publication number
- EP1247878B1 EP1247878B1 EP02002933A EP02002933A EP1247878B1 EP 1247878 B1 EP1247878 B1 EP 1247878B1 EP 02002933 A EP02002933 A EP 02002933A EP 02002933 A EP02002933 A EP 02002933A EP 1247878 B1 EP1247878 B1 EP 1247878B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lance
- laser
- coating
- light guide
- laser beam
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/14—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying for coating elongate material
- C23C4/16—Wires; Tubes
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
Definitions
- the invention relates to a device for laser coating of component inner surfaces with a particular powdery additional material, after the preamble of claim 1 or 4.
- the laser beam becomes guided in a light guide from the solid-state laser to a rotary guide, which allows an endless rotation of the flanged coating lance.
- the laser beam is coupled out of the light guide, collimated and then passes free-radiating through the lance to a deflection and Focusing optics, where the beam is deflected to the cylindrical surface to be coated and being focused.
- the coating is done by immersing the lance in the Cylinder bore, where the powder via a jet nozzle to the coating site blown out and melted there in the laser beam.
- EP-A-950 461, JP-A-03128183, JP-A-07292 481, EP-A-418 519 or US-A-5 426 278 of coating equipment is the dipping into the workpiece bore Coating lance in a rear, non-rotating lance part with one in this coaxially mounted optical fiber and a front, rotating Lancet part divided, which with the interposition of a pivot bearing and a rotary drive to the Vietnameserot Schlierendenh lance part connects and in which the focusing and deflection optics are either coaxial or off-center is arranged to the axis of rotation.
- the laser light guide takes place in rotating lance either turn over a free jet or with Consideration of the eccentric arrangement of the focusing and deflection system via a second optical fiber piece in the coating lance, which is of the Optical fiber end in the non-rotating lance part eccentrically bent to the focusing system runs at the lance tip.
- these known coating devices poses the problem that not only an optical rotary coupling for the second light guide piece or a free-jet guide, but in addition also the entire, consisting of pivot bearing and rotary drive unit within the coating lance must be accommodated, with the consequence that these devices also require a correspondingly large lance diameter and therefore also for the full-surface coating of component inner surfaces high slenderness are unsuitable.
- the object of the invention is the coating device of the aforementioned To train in a structurally simple way so that even difficult to access Component inner surfaces, and in particular the deeper surface sections high-tonnage cylinder bores, easily and with high To coat radiation efficiency.
- the coating device according to the invention is for the entire coating lance a very small lance cross section with virtually any Lance length required and at the same time a very low-loss energy transfer in the coating lance especially of laser beams with high Achieved jet parameter product, without the need for elaborate lens systems or separate light guide pieces in the inside of the lance or one likewise elaborate formation of the coating lance as an optical waveguide requirement.
- the laser light guide which rotates with the coating lance, extends according to a first variant of the invention according to claim 1 throughout over the entire lance length of the device head outside of the component inner surface to the lance tip, the laser radiation via an optical rotation coupling on the head, but preferably directly from the on this arranged and also co-rotating laser source, in the device side Fiber optic end is coupled.
- the coating device not limited to linear lances, but it can be without also other, depending on the application differently curved Use lance shapes and a deflecting mirror at the lance tip to dispense with the lateral beam deflection in a simple way that the Light guide is bent at auskoppel disorderen end portion or one for Has light guide axis inclined end face, while in the second variant
- the between Lanzenau zinc- and inner tube existing annulus is preferably as cooling and / or working fluid, e.g
- the invention is as a laser source Diode laser provided, the in itself unfavorably high beam parameter product because of the superior transmission quality of the invention Coating device even with a very slender designed coating lance without affecting the effectively applied laser power remaining in the Remaining but much better performance (socket efficiency) as a conventional solid, e.g. Nd: YAG laser owns.
- the Process monitoring expediently facilitated by that in the light guide from the lance tip in the opposite direction to the laser beam optical, e.g. the Melting temperature at the respective coating location indicating infrared signals recycled and decoupled for process control at the device head.
- the Process monitoring expediently facilitated by that in the light guide from the lance tip in the opposite direction to the laser beam optical, e.g. the Melting temperature at the respective coating location indicating infrared signals recycled and decoupled for process control at the device head.
- the coating apparatus shown in Fig. 1 contains a main components High-power diode laser 1, one of these via a light guide 2 optically coupled device head 3 and a coating lance 4, which at a Rotary guide 5 of the device head 3 mounted and by means of a drive motor. 6 including a slip clutch 7 about a central axis A-A endlessly rotatable is driven.
- the light guide 2 passes through the device head 3 in a firmly connected to this, to the axis A-A coaxial standpipe 8 continuously to the lance tip and is at the standpipe end by means of a Faserendsteckers 9 and one between this and the rotating outer tube 10 of the coating lance 4 effective ball bearing 11 exactly centric attached to the axis of rotation A-A coating lance 4.
- a lance tube 10 co-rotates with the latter, replaceable insert 12 with a collimating optics 13 and a Turning and focusing mirror 14 attached.
- the end of the light guide divergent emerging laser beam is rotated by the light guide axis Collimating optics 13 converted into an axis-parallel light beam and from the deflecting mirror 14 through a protective glass window 15 through to be coated Component inner surface 16, such as the cylinder surface of an engine block, redirected and focused.
- the coating device is completed by the outside of the lance tube 10 attached Powder and gas supply lines 17, 18, via which the coating powder, such as a high-silica aluminum powder, and a protective gas on the focus region of the laser beam are blown out, and one in the outer tube 10 from the device head 3 to the lance tip extending compressed air channel 18 for generating a the protective glass window 15 frereiblasenden cross-jet and a Cooling water circuit for cooling the distal end of the optical fiber, which a Coolant flowed through, in the region of the fiber end plug in the annulus between Stand and lance tube 8, 10 arranged cooling water jacket 20 and associated supply and return channels 21, 22 in the lance tube 10 (Fig. 1b) contains.
- the coating powder such as a high-silica aluminum powder
- a protective gas on the focus region of the laser beam are blown out
- a lance tube 110 In the area of the lance tip are the lance tube 110 and the optical fiber 102 is bent so that the laser beam at the optical fiber end obliquely to the axis of rotation A-A of the coating lance 104 emitted and by a downstream, again interchangeable collimation and focusing optics 24 is bundled on the cylinder surface 116 without it
- a lance tube 110 may be required in the bending direction be designed adjustable so as to the deflection angle of the laser beam to be able to change.
- the diode laser directly on Arranging the device head, wherein the laser light guide on the beam side to the diode laser is extended and this in the embodiment of FIG. 2 either co-rotated with the coating lance 104 or fixed to the device head 103 connected and the laser light guide 102 then via a rotary coupling on the laser 101 is connected.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Description
- Fig. 1a, b
- ein Beschichtungsgerät in einer ersten Ausführungsform der Erfindung im Längs- (a) und im Querschnitt (b); und
- Fig.2
- eine der Fig. 1 entsprechende Darstellung eines zweiten Ausführungsbeispiels der Erfindung.
Claims (9)
- Gerät zur Laserbeschichtung von Bauteil-Innenflächen mit einem insbesondere pulverförmigen Zusatzmaterial, bestehend aus einer Laserquelle und einem mit dieser optisch verbundenen Gerätekopf mit einer an diesem über eine Drehführung gelagerten, translatorisch und rotatorisch über die Innenfläche verfahrbaren Beschichtungslanze, in welcher der Laserstrahl axial von der Drehführung zur Lanzenspitze und von dort auf die Bauteil-Innenfläche gerichtet wird, dadurch gekennzeichnet, dass die Beschichtungslanze (4; 104) einen von der Drehführung (5; 105) des Gerätekopfes (3; 103) außerhalb der Bauteil-Innenfläche (16; 116) durchgehend über die gesamte Lanzentänge zur Lanzenspitze verlaufenden, laserstrahlführenden Lichtleiter (2; 102) enthält.
- Gerät nach Anspruch 1, dadurch gekennzeichnet, dass der Laserlichtleiter (102) gemeinsam mit der Beschichtungslanze (104) drehbar angetrieben und im Bereich des gerätekopfseitigen Lichtleiter endes eine optische Drehkoppelung (23) zur Einkoppelung des Laserstrahls vorgesehen ist.
- Gerät nach Anspruch 2, dadurch gekennzeichnet, dass die Laserquelle am Gerätekopf angeordnet ist und der von der Laserquelle emittierte Laserstrahl unmittelbar in den sich mit der Beschichtungslanze mitdrehenden Laserlichtleiter eingekoppelt wird.
- Gerät zur Laserbeschichtung von Bauteil-Innenflächen mit einem insbesondere pulverförmigen Zusatzmaterial, bestehend aus einer Laserquelle und einem mit dieser optisch verbundenen Gerätekopf mit einer an diesem über eine Drehführung gelagerten, translatorisch und rotatorisch über die Innenfläche verfahrbaren Beschichtungslanze, in welcher der Laserstrahl axial von der Drehführung zur Lanzenspitze und von dort auf die Bauteil-Innenfläche gerichtet wird, dadurch gekennzeichnet, dass die Beschichtungslanze (4) ein drehbar angetriebenes Außen- (10) und ein in diesem angeordnetes, drehfest mit dem Gerätekopf (3) verbundenes Innenrohr (8) einschließlich eines im drehfesten Innenrohr koaxial zur Drehachse (A-A) des Außenrohrs (10) fixierten, von der Drehführung (5) zur Lanzenspitze verlaufenden, laserstrahlführenden Lichtleiters (2) enthält.
- Gerät nach Anspruch 4, dadurch gekennzeichnet, dass
die Laserquelle (1) entfernt vom Gerätekopf (3) angeordnet und der Laserlichtleiter (2) über die Drehführung (5) hinaus durchgehend bis zur Laserquelle verlängert ist. - Gerät nach Anspruch 4 oder 5, gekennzeichnet durch
das Innenrohr (8) umgebende Kühl- und/oder Arbeitsmittelkanäle (19, 21, 22). - Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass
die Laserquelle (1; 101) ein Diodenlaser ist. - Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass
im Laserlichtleiter (2; 102) vom distalen Lichtleiterende aus gegenläufig zum Laserstrahl optische Signale zur Prozessüberwachung rückgeführt sind. - Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass
die Lanzenspitze eine auswechselbare Fokussieroptik (13, 14; 24) enthält.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10116720A DE10116720A1 (de) | 2001-04-04 | 2001-04-04 | Gerät zur Laser-Pulverbeschichtung |
| DE10116720 | 2001-04-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1247878A1 EP1247878A1 (de) | 2002-10-09 |
| EP1247878B1 true EP1247878B1 (de) | 2005-02-02 |
Family
ID=7680319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02002933A Expired - Lifetime EP1247878B1 (de) | 2001-04-04 | 2002-02-09 | Gerät zur Laser-Pulverbeschichtung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1247878B1 (de) |
| DE (2) | DE10116720A1 (de) |
| ES (1) | ES2233723T3 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104136163A (zh) * | 2012-02-10 | 2014-11-05 | Limo专利管理有限及两合公司 | 用于对工件的表面进行激光加工或者用于对工件外侧面或内侧面上的涂层进行后处理的设备 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2909298B1 (fr) | 2006-12-02 | 2009-07-10 | Technogenia Soc Par Actions Si | Piece concave rechargee par laser, procede et dispositif pour sa realisation |
| DE102009024957B3 (de) * | 2009-06-11 | 2010-09-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Modulares System zum Auftragsschweißen an innenliegenden Oberflächen von Werkstücken mit einem Laserstrahl |
| US9168613B2 (en) * | 2010-10-22 | 2015-10-27 | Paul T. Colby | Vertical laser cladding system |
| DE102012204091B4 (de) | 2012-03-15 | 2026-03-19 | Robert Bosch Gmbh | Pulverbeschichtungsvorrichtung und Pulverbeschichtungsverfahren |
| US20170145554A1 (en) | 2014-06-26 | 2017-05-25 | Shell Oil Company | Coating method and coated substrate |
| CN113663828B (zh) * | 2020-04-30 | 2023-05-23 | 上海飞机制造有限公司 | 一种静电喷枪 |
| CN113510249B (zh) * | 2021-07-02 | 2022-12-27 | 西安交通大学 | 一种可输送硬质粉末的多流道高速旋转密封装置 |
| DE102021211371B4 (de) | 2021-10-08 | 2024-12-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Vorrichtung und Verfahren zur Ausbildung einer Beschichtung auf einer Innenwand eines hohlzylindrischen Elements |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0418519A2 (de) * | 1989-08-07 | 1991-03-27 | Mitsubishi Jukogyo Kabushiki Kaisha | Reflektierender Spiegel für einen Laserstrahl und ihn verwendender Laserstrahlschweissapparat |
| JPH03128183A (ja) * | 1989-10-13 | 1991-05-31 | Toshiba Corp | レーザ加工装置 |
| JPH07292481A (ja) * | 1994-04-25 | 1995-11-07 | Ishikawajima Harima Heavy Ind Co Ltd | 塗布膜クラッディング装置 |
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|---|---|---|---|---|
| DE856712C (de) * | 1951-04-29 | 1952-11-24 | Kuehnle Ag | Verfahren zum UEberziehen von anschmelzbaren, insbesondere metallischen Oberflaechenmit verschleiss- und korrosionsfesten Schutzwerkstoff-Schichten |
| DE1295960B (de) * | 1965-02-22 | 1969-05-22 | Gewerk Eisenhuette Westfalia | Verfahren und Vorrichtung zum Auftragen von metallischen UEberzugsmaterialien auf Oberflaechen von Werkstuecken |
| DE2145921C2 (de) * | 1971-09-14 | 1982-05-06 | Günther Dr. 8022 Grünwald Nath | Einrichtung zur Materialbearbeitung durch ein Laserstrahlungsbündel mit einem biegsamen Lichtleiter |
| JPS5645293A (en) * | 1979-09-19 | 1981-04-24 | Hitachi Ltd | Laser welding device |
| JPS6032555B2 (ja) * | 1979-09-28 | 1985-07-29 | 株式会社日立製作所 | レ−ザビ−ム溶接回転ヘツド |
| US4827098A (en) * | 1987-07-06 | 1989-05-02 | Westinghouse Electric Corp. | Flexible laser welding head for sleeve-to-tube welding |
| EP0300458B1 (de) * | 1987-07-21 | 1991-12-18 | Mitsubishi Jukogyo Kabushiki Kaisha | Laserstrahlschweissverfahren für eine Innenumfangsfläche eines Rohres |
| DE3935009A1 (de) * | 1989-10-20 | 1991-04-25 | Inst Nat Sciences Appliq | Vorrichtung fuer die laser-plasmabeschichtung |
| DE4017286A1 (de) * | 1990-05-29 | 1991-12-05 | Cooper Ind Inc | Verfahren und vorrichtung zum loeten und entloeten |
| DE4115561A1 (de) * | 1990-08-17 | 1992-02-20 | Siemens Ag | Vorrichtung und verfahren zum laserschweissen eines rohres |
| JPH0715554Y2 (ja) * | 1991-06-07 | 1995-04-12 | 株式会社モリタ製作所 | ファイバー式レーザ治療装置 |
| JP3214074B2 (ja) * | 1992-07-15 | 2001-10-02 | 石川島播磨重工業株式会社 | レーザ照射用トーチ |
| US5359172A (en) * | 1992-12-30 | 1994-10-25 | Westinghouse Electric Corporation | Direct tube repair by laser welding |
| DE19606555A1 (de) * | 1996-02-22 | 1997-08-28 | Laser Medizin Zentrum Ggmbh | Oszillator-Lichtleiter-Verstärker Anordnung für Laserstrahlen |
| DE19643029A1 (de) * | 1996-10-18 | 1998-04-23 | Bayerische Motoren Werke Ag | Verfahren zum Beschichten eines aus einer Aluminium-Legierung bestehenden Bauteils einer Brennkraftmaschine mit Silicium |
| DE19809367B4 (de) * | 1998-03-05 | 2007-04-05 | Nagel Maschinen- Und Werkzeugfabrik Gmbh | Verfahren und Vorrichtung zur Feinbearbeitung von Kolbenlaufbahnen |
| DE19812892B4 (de) * | 1998-03-24 | 2005-06-23 | Hans Roßner & Sohn GmbH | Mündungselement für Laserstrahlen |
| DE19826138B4 (de) * | 1998-04-17 | 2007-06-28 | NU TECH Gesellschaft für Lasertechnik Materialprüfung und Meßtechnik mbH | Verfahren zur Herstellung eines Werkstücks mit einer verschleißbeständigen Oberfläche |
| DE19834877A1 (de) * | 1998-08-01 | 2000-02-10 | Martin Walter | Verfahren zum Entfernen von ablagerungsfähigen Verbrennungsprodukten an einer Verbrennungsanlage mittels der Laserstrahlung einer Laserquelle und Vorrichtung zur Durchführung des Verfahrens |
| DE19915038A1 (de) * | 1999-04-01 | 2000-10-26 | Vaw Ver Aluminium Werke Ag | Leichtmetallzylinderblock, Verfahren zu seiner Herstellung und Vorrichtung zur Durchführung des Verfahrens |
-
2001
- 2001-04-04 DE DE10116720A patent/DE10116720A1/de not_active Withdrawn
-
2002
- 2002-02-09 ES ES02002933T patent/ES2233723T3/es not_active Expired - Lifetime
- 2002-02-09 DE DE50202153T patent/DE50202153D1/de not_active Expired - Lifetime
- 2002-02-09 EP EP02002933A patent/EP1247878B1/de not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0418519A2 (de) * | 1989-08-07 | 1991-03-27 | Mitsubishi Jukogyo Kabushiki Kaisha | Reflektierender Spiegel für einen Laserstrahl und ihn verwendender Laserstrahlschweissapparat |
| JPH03128183A (ja) * | 1989-10-13 | 1991-05-31 | Toshiba Corp | レーザ加工装置 |
| JPH07292481A (ja) * | 1994-04-25 | 1995-11-07 | Ishikawajima Harima Heavy Ind Co Ltd | 塗布膜クラッディング装置 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104136163A (zh) * | 2012-02-10 | 2014-11-05 | Limo专利管理有限及两合公司 | 用于对工件的表面进行激光加工或者用于对工件外侧面或内侧面上的涂层进行后处理的设备 |
| CN104136163B (zh) * | 2012-02-10 | 2016-02-03 | Limo专利管理有限及两合公司 | 用于对工件的表面进行激光加工或者用于对工件外侧面或内侧面上的涂层进行后处理的设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10116720A1 (de) | 2002-10-10 |
| DE50202153D1 (de) | 2005-03-10 |
| ES2233723T3 (es) | 2005-06-16 |
| EP1247878A1 (de) | 2002-10-09 |
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