EP1136583B2 - Procédé et dispositif d'application thermique de revêtement des surfaces des cylindres de moteurs à combustion - Google Patents

Procédé et dispositif d'application thermique de revêtement des surfaces des cylindres de moteurs à combustion Download PDF

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Publication number
EP1136583B2
EP1136583B2 EP01810005A EP01810005A EP1136583B2 EP 1136583 B2 EP1136583 B2 EP 1136583B2 EP 01810005 A EP01810005 A EP 01810005A EP 01810005 A EP01810005 A EP 01810005A EP 1136583 B2 EP1136583 B2 EP 1136583B2
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EP
European Patent Office
Prior art keywords
suction
air
cylinder
accordance
stubs
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
Application number
EP01810005A
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German (de)
English (en)
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EP1136583A1 (fr
EP1136583B1 (fr
Inventor
Silvano Keller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oerlikon Metco AG
Original Assignee
Sulzer Metco AG
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Publication date
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Application filed by Sulzer Metco AG filed Critical Sulzer Metco AG
Publication of EP1136583A1 publication Critical patent/EP1136583A1/fr
Application granted granted Critical
Publication of EP1136583B1 publication Critical patent/EP1136583B1/fr
Publication of EP1136583B2 publication Critical patent/EP1136583B2/fr
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Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • 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
    • 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

Definitions

  • the invention relates to a method for thermal coating of cylinder walls of internal combustion engines according to the preamble of claim 1 and to an apparatus for carrying out the method according to the preamble of claim 5.
  • the object of the invention is to propose an easy-to-use method for thermal coating of cylinder walls of engine blocks of internal combustion engines, by means of which on the one hand, the quality of the applied layer is improved and on the other hand, the engine block is protected from contamination.
  • the layer quality is improved in two ways by the proposed measure and that at the same time the engine block can be protected from contamination.
  • the uncoated coating particles are reliably removed and the content of oxygen (oxide content) bound in the layer is kept in a range in which Both the tribological properties of the layer as well as their machinability are optimized.
  • cooling of the engine block is caused by the air flow.
  • the proposed measure also reduces the contamination of the plasmatron.
  • the suction device 18 has four suction nozzles 12, a control device 20 provided with louvers and a suction pump 25.
  • the control device 20 has an air flap battery 21 provided with four louvers.
  • the four extraction nozzles 12 are received in a holder 13 and connected via flexible hoses 14 to the control device 20, wherein the hoses 14 are shown only hinted.
  • the hoses 14 lead to a connection element 15, which is connected via lines 17 to the control device 20.
  • the control device 20 is additionally provided with pressure sensors (not shown) by means of which the air pressure prevailing during suction in the suction lines 14, 17 can be measured.
  • the coating of the cylinder liners 8 proceeds as follows: First, the four extraction nozzles 12 are brought from below through the crankcase 10 of the engine block 6 to the lower end 9 of the cylinder bores 7. Thereafter, the actual coating process is started by the plasma spraying devices 1, 2 introduced into the cylinder bores 7 and the walls 8 are coated. During coating, air is continuously drawn off by means of the suction device 18. It will measured by the pressure sensors of the prevailing in the suction lines 14, 17 air pressure. Due to the measured air pressure can be closed on the flow velocity of the air flowing through the cylinder bores 7 air, wherein the electronic means for calculating the air velocity are not shown in detail.
  • the louvers and thus the Absaugquerites be changed so that the air velocity within the cylinder bores 7 in the desired range between 7 and 12 m / s can be maintained.
  • the two other cylinder bores 7 are also coated and the flow velocity of the air flowing through these cylinder bores 7 is measured and kept within the predetermined value in the manner previously described.
  • the content of bound oxygen in the layer in a range of about 1 to 4 weight percent, whereby both the tribological properties of the layer as well as their machinability are optimized.
  • a cooling of the engine block 6 is effected by the air flow and the pollution of the respective Plasmatrons 3, 4 reduced.
  • suction device is suitable for the coating of four-cylinder in-line engines and eight-cylinder engines in V-shape. It is understood that suction devices for other variants of engine blocks can also be provided.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Claims (6)

  1. Procédé de revêtement thermique de parois de cylindre (8) de blocs-moteur (6) de moteurs à combustion, dans lequel, pendant l'opération de revêtement, un écoulement d'air est produit par aspiration, en ce que l'air est aspiré vers le bas à travers le boîtier de manivelle (10) du bloc-moteur (6),
    caractérisé en ce que
    plusieurs tubulures d'aspiration (12) en liaison avec une pompe d'aspiration (25) sont insérées depuis en dessous à travers le boîtier de manivelle (10) du bloc-moteur (6) et sont amenées au côté inférieur (9) des alésages de cylindre (7), et l'air est guidé à une vitesse entre 7 et 12 m/s à travers le ou les alésages de cylindre (7) soumis à l'opération de revêtement active.
  2. Procédé selon la revendication 1, caractérisé en ce qu'une couche contenant du métal, de préférence contenant du fer, est appliquée par pulvérisation de plasma sur les parois de cylindre (8).
  3. Procédé selon l'une des revendications 1 ou 2, caractérisé en ce que pendant l'opération de revêtement, la pression d'air régnant dans les conduits d'aspiration (14, 17) est mesurée, et en ce qu'en raison des valeurs mesurées, la vitesse de l'air guidé à travers le ou les alésages de cylindre (7) est déterminée.
  4. Procédé selon la revendication 3, caractérisé en ce que la vitesse d'air déterminée est utilisée pour commander un mécanisme de déplacement (22) fonctionnellement relié à des volets d'air dans les conduits d'aspiration.
  5. Dispositif pour la mise en oeuvre du procédé selon la revendication 1, caractérisé en ce que
    le dispositif présente plusieurs tubulures d'aspiration (12), qui sont reliées par des conduits d'aspiration (14, 17, 23) au moins partiellement flexibles à une pompe d'aspiration centrale (25), et que le dispositif présente des capteurs de pression pour détecter la pression d'air régnant dans les tubulures d'aspiration (12) ou dans les conduits d'aspiration, et des moyens (22) pour modifier la section transversale du conduit, importante pour l'aspiration, pour la commande de la vitesse d'air à l'intérieur des alésages de cylindre dans la plage entre 7 et 12 m/s, où est disposé entre les tubulures d'aspiration (12) et la pompe d'aspiration (25) une batterie de volets d'air (21) pour la modification individuelle de la section transversale respective des conduits d'aspiration (14,17,23).
  6. Dispositif selon la revendication 3, caractérisé en ce qu'il est prévu au moins un capteur de pression pour détecter la pression d'air régnant dans les tubulures d'aspiration (12) ou dans les conduits d'aspiration (14,17,23), et en ce que des moyens électroniques sont prévus pour calculer la vitesse d'air sur la base de la pression d'air.
EP01810005A 2000-03-20 2001-01-04 Procédé et dispositif d'application thermique de revêtement des surfaces des cylindres de moteurs à combustion Expired - Lifetime EP1136583B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH525002000 2000-03-20
CH5252000 2000-03-20

Publications (3)

Publication Number Publication Date
EP1136583A1 EP1136583A1 (fr) 2001-09-26
EP1136583B1 EP1136583B1 (fr) 2004-05-06
EP1136583B2 true EP1136583B2 (fr) 2008-12-17

Family

ID=4518159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01810005A Expired - Lifetime EP1136583B2 (fr) 2000-03-20 2001-01-04 Procédé et dispositif d'application thermique de revêtement des surfaces des cylindres de moteurs à combustion

Country Status (9)

Country Link
US (1) US6503577B2 (fr)
EP (1) EP1136583B2 (fr)
JP (2) JP3877278B2 (fr)
KR (1) KR100738790B1 (fr)
AT (1) ATE266104T1 (fr)
CA (1) CA2334419C (fr)
DE (1) DE50102175D1 (fr)
ES (1) ES2220697T5 (fr)
TR (1) TR200401050T4 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3969289B2 (ja) * 2002-11-20 2007-09-05 トヨタ自動車株式会社 溶射装置と溶射方法
MXPA06013734A (es) * 2004-05-27 2007-08-14 Arizona Chem Composiciones y articulos que contienen una matriz de polimero entrelazado y un liquido activo inmovilizado, asi como metodos para producir y utilizar las mismas.
US8664292B2 (en) * 2004-05-27 2014-03-04 Croda International Plc Compositions and articles containing a cross-linked polymer matrix and an immobilized active liquid, as well as methods of making and using the same
US20110117156A1 (en) 2004-05-27 2011-05-19 Arizona Chemical Company Compositions and articles containing an active liquid in a polymeric matrix and methods of making and using the same
JP4497086B2 (ja) * 2005-01-28 2010-07-07 日産自動車株式会社 シリンダブロックの溶射マスキング方法および同マスキング装置ならびに気体噴出ノズル
ATE529193T1 (de) 2006-07-24 2011-11-15 Sulzer Metco Ag Maskierungssystem zur maskierung eines kurbelraums einer brennkraftmaschine
EP1884293B1 (fr) * 2006-07-24 2009-08-12 Sulzer Metco AG Système de masquage destiné au masquage de trous de cylindres
EP1886737A1 (fr) 2006-07-24 2008-02-13 Sulzer Metco AG Système de masquage destiné au masquage d'un espace de vilebrequin d'un moteur à combustion interne
EP2829327B1 (fr) * 2013-07-26 2017-11-29 Oerlikon Metco AG, Wohlen Procédé de nettoyage d'un brûleur d'une installation de revêtement par plasma et installation de revêtement par plasma
DE102016116815A1 (de) * 2016-09-08 2018-03-08 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zur Beschichtung eines Zylinders einer Verbrennungskraftmaschine und Zylinder für eine Verbrennungskraftmaschine
US10435779B2 (en) 2017-03-14 2019-10-08 Ford Motor Company Precision air flow routing devices and method for thermal spray coating applications
DE102017219521A1 (de) * 2017-11-02 2019-05-02 Volkswagen Aktiengesellschaft Anordnung und Verfahren zum Messen einer Strömungsgeschwindigkeit einer Luftspülung für einen thermischen Beschichtungsvorgang von Zylinderbohrungen eines Zylinderkurbelgehäuses

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5573814A (en) † 1995-10-30 1996-11-12 Ford Motor Company Masking cylinder bore extremities from internal thermal spraying

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1259599A (fr) * 1968-05-15 1972-01-05
DE2254491C3 (de) * 1972-11-07 1975-04-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zum Beschichten von Oberflächen an Werkstücken durch Aufspritzen von im Lichtbogen aufgeschmolzenen Schichtstoffen, sowie Anordnung zur Durchführung des Verfahrens
JPS5547377A (en) * 1978-09-29 1980-04-03 Seiya Adachi Plating method
JPS5952570A (ja) * 1982-09-20 1984-03-27 Nissan Motor Co Ltd 塗装方法
CA2164142A1 (fr) * 1994-12-09 1996-06-10 V. Durga Nageswar Rao Methode de fabrication de bloc-cylindres avec parois de cylindres revetues
DE19705628B4 (de) * 1997-02-14 2005-07-28 Audi Ag Verfahren und Vorrichtung zum thermischen Beschichten von Bohrungen
JP3172121B2 (ja) * 1997-06-06 2001-06-04 日本碍子株式会社 中空円筒管内周面への溶射加工方法
JPH11221516A (ja) * 1998-02-10 1999-08-17 Kansai Paint Co Ltd 塗装方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5573814A (en) † 1995-10-30 1996-11-12 Ford Motor Company Masking cylinder bore extremities from internal thermal spraying

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Artikel:"Method and Apparatus for the Application of Thermal Spray Coatings onto Aluminium Engine Cylinder Bores" von L.Byrnes et al., aus Proceedings of the 7th National Thermal Spray Conference 20-24 June 1994, Boston, Massachussets, Seite 39-42. †
Auszug aus dem "Lehrbuch für den Maschinenbau", Dubbel, 14.Auflage (1981), Seite 164-165. †
Versuchsprotokoll der Einsprechenden vom 27.10.99, "Einfluß der Absaugung unter Berücksichtigung der Wechselwirkungen des Brennerkühlstrahls, der Pulverkornfraktion und der Pulverförderrate" von Dr.Izquierdo, FT4/T1,; als Zeuge für das Versuchsprotokoll wird benannt:Dr. Patrick Izquierdo, SedanStr. 27, 89077 Ulm, †

Also Published As

Publication number Publication date
EP1136583A1 (fr) 2001-09-26
JP3877278B2 (ja) 2007-02-07
CA2334419C (fr) 2004-12-21
JP2006265736A (ja) 2006-10-05
ES2220697T5 (es) 2009-05-12
ES2220697T3 (es) 2004-12-16
US6503577B2 (en) 2003-01-07
KR20010089268A (ko) 2001-09-29
ATE266104T1 (de) 2004-05-15
TR200401050T4 (tr) 2004-07-21
DE50102175D1 (de) 2004-06-09
CA2334419A1 (fr) 2001-09-20
KR100738790B1 (ko) 2007-07-12
JP2001316794A (ja) 2001-11-16
EP1136583B1 (fr) 2004-05-06
US20010022995A1 (en) 2001-09-20

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