EP2112359A1 - Running surface on a cylinder - Google Patents

Running surface on a cylinder Download PDF

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Publication number
EP2112359A1
EP2112359A1 EP09167884A EP09167884A EP2112359A1 EP 2112359 A1 EP2112359 A1 EP 2112359A1 EP 09167884 A EP09167884 A EP 09167884A EP 09167884 A EP09167884 A EP 09167884A EP 2112359 A1 EP2112359 A1 EP 2112359A1
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EP
European Patent Office
Prior art keywords
cylinder
profiles
grooves
cylinder bore
cylinder liner
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Granted
Application number
EP09167884A
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German (de)
French (fr)
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EP2112359B1 (en
EP2112359B2 (en
Inventor
Herbert Dr. Möding
Manfred Laudenklos
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KS Huayu Alutech GmbH
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KS Aluminium Technologie GmbH
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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 
    • F02F1/18—Other cylinders
    • F02F1/20—Other cylinders characterised by constructional features providing for lubrication
    • 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
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/02—Surface coverings of combustion-gas-swept parts

Definitions

  • the invention relates to a cylindrical raceway of a cylinder liner or a cylinder bore with a Verkrall Druck consisting of circumferentially extending grooves or spirally extending thread-like profiles coated with a wear layer and a method for producing a cylindrical tread.
  • a cylindrical tread is known, for example, from the article by Hans Rininger “Flammengespritzte Gleitlager” from "The Machinery Market” (1954, No. 7, page 6).
  • sawtooth punctures or threads are introduced with longitudinal grooves in the cylindrical tread to ensure a torsion-resistant adhesion.
  • this type of pretreatment has proved to be unsuitable.
  • a wear layer of an Fe-based alloy with the light metal alloy Additives such as C, Mn, Mo, V, etc., an Al-based alloy with additives such as Si, Fe, Cu, Ni, etc., or a copper / nickel alloy is applied.
  • the wear layer is preferably applied by welding, plasma spraying, flame spraying or high-speed jet spraying.
  • the light alloy to be coated is roughened by a blasting process.
  • the present invention is therefore based on the object to provide a remedy for the above-described problems.
  • a cylindrical tread of the type described above according to the invention in that the grooves or thread-like profiles have undercuts.
  • the object is achieved by a method in which in a first step in a cylinder bore or cylinder liner by spin forming, cutting or milling grooves or spirally extending thread-like profiles are produced in a second step by a forming process undercuts are generated and in a third Process step is applied by welding to the machined cylinder bore or cylinder liner or by plasma spraying, flame spraying or high-speed jet spraying the machined cylinder bore or cylinder liner wear a layer.
  • This Verkrall Scheme first leads to a defined increase in the adhesive surface of the tread to be coated. In addition, it comes in the subsequent coating process in the tips to a higher energy load, resulting in part to a reproducible diffusion compensation of the wear layer with the base material. It also comes at the tips of the Verkrall Design to melting, which further improve the adhesion of the wear layer.
  • the distance to the surface to be coated is so small that no maximum acceleration can be achieved in the coating medium, because of the low kinetic energy the adhesion is reduced.
  • an optimal adhesion is achieved in the vertical impact on the surface to be coated.
  • the angle of incidence of the media jet is significantly less than 90 °, resulting in low adhesion of the coating medium in this zone.
  • the macroscopic surface structure produced in such a targeted manner can be formed in the form of preferably grooves extending in the circumferential direction or else by helical thread-like profiles. Furthermore, the adhesion in the radial and / or axial direction can be improved by undercuts.
  • Electromagnetic focusing of the media jet significantly increases the energy (pinch effect) per unit area, which leads to an improvement in the layer adhesion.
  • FIG. 1 shows a longitudinal section through an inventively designed cylindrical tread
  • the cylindrical tread 1 consists of a known aluminum alloy.
  • a Verkrall Design 2 in the present embodiment, a threaded profile were rotated in a known manner.
  • the Verkrall Designen 2 invention can also be introduced in various other ways, such as spinning, cutting, milling, etc. in the cylindrical tread 1.
  • the light undercuts 4 shown in the present embodiment can be attached to the Verkrall Modellen 2 by a subsequent forming process.
  • FIG. 2 A schematic representation of the machining process for applying one of the wear layer 3 through the media jet 5 shows FIG. 2 ,
  • the Verkrall Gent 2 ensures that the angle of incidence of the media beam 5 is nearly 90 °. It shows FIG. 3 a first embodiment of the structure 2, which ensures this defined angle of incidence.
  • the orientation of the partial flanks 6 is constant over the entire cylindrical tread 1, which results in that during the Coating operation of the media beam 5 is translationally moved along the longitudinal axis of the cylindrical tread 1 (see dotted lines).
  • FIG. 4 shows a Verkrallmila 2, the partial edges 6 in the longitudinal direction of the cylindrical tread 1 have a steadily decreasing angle ⁇ .
  • a Verkrall Quilt 2 can be prepared in a known manner, for example by a CNC machine.
  • the media jet 5 then needs to perform as shown only a rotational movement, which in turn leads to a simplification of the machining process.

Abstract

The cylindrical running surface (1) of a cylinder liner or a cylinder bore comprises a claw structure (2), which consists of grooves extending in a circumferential direction and spirally extending thread-like profiles, which are coated with a wearing layer (3). The grooves or profiles have undercuts (4). An independent claim is included for a method for producing a cylindrical running surface.

Description

Die Erfindung betrifft eine zylindrische Lauffläche einer Zylinderlaufbuchse oder eine Zylinderbohrung mit einer Verkrallstruktur, die aus sich in Umfangsrichtung erstreckenden Nuten oder aus sich spiralförmig erstreckenden gewindeähnlichen Profilen besteht, die mit einer Verschleißschicht beschichtet sind sowie ein Verfahren zur Herstellung einer zylindrischen Lauffläche.The invention relates to a cylindrical raceway of a cylinder liner or a cylinder bore with a Verkrallstruktur consisting of circumferentially extending grooves or spirally extending thread-like profiles coated with a wear layer and a method for producing a cylindrical tread.

Eine zylindrische Lauffläche ist beispielsweiseaus dem Aufsatz von Hans Rininger "Flammgespritzte Gleitlager" aus "Der Machinenmarkt" (1954, Nr. 7, Seite 6) bekannt. Dabei sind in die zylindrische Lauffläche Sägezahn-Einstiche oder Gewinde mit Längsnuten eingebracht, um eine verdrehsichere Haftung zu gewährleisten. Insbesondere bei Verfahren zur Aufbringung einer Verschleißschicht mit einer Fokussierung und der damit verbundenen hohen lokalen Wärmeeinbringung hat sich diese Art der Vorbehandlung als nicht geeignet erwiesen.A cylindrical tread is known, for example, from the article by Hans Rininger "Flammengespritzte Gleitlager" from "The Machinery Market" (1954, No. 7, page 6). In this case, sawtooth punctures or threads are introduced with longitudinal grooves in the cylindrical tread to ensure a torsion-resistant adhesion. In particular, in processes for applying a wear layer with a focus and the associated high local heat input, this type of pretreatment has proved to be unsuitable.

Um den hohen Beanspruchungen an die Verschleißfestigkeit gerecht zu werden, ist es darüberhinaus bekannt, die Verschleißfestigkeit zylindrischer Laufflächen, beispielsweise des Kurbelgehäuses eines Verbrennungsmotors, zumindest teilweise dadurch zu erhöhen, daß auf die Leichtmetall-Legierung beispielsweise eine Verschleißschicht aus einer Fe-Basis-Legierung mit Zusätzen wie z.B. C, Mn, Mo, V etc., einer Al-Basis-Legierung mit Zusätzen wie z.B. Si, Fe, Cu, Ni etc.oder einer Kupfer-/Nickel-Legierung aufgebracht wird. Die Verschleißschicht wird dabei vorzugsweise durch Aufschweißen, Plasmaspritzen, Flammspritzen oder Hochgeschwindigkeits-Jet-Spritzen aufgebracht. Um bei den ständig wechselnden mechanischen Belastungen dieser Schicht eine Haftung zu gewährleisten, wird dabei die zu beschichtende Leichtmetall-Legierung durch einen Strahlvorgang aufgerauht. Diese Art der Vorbehandlung ist jedoch aufgrund der einzusetzenden Strahlsysteme sehr aufwendig und schafft lediglich eine undefinierte Oberflächenstruktur, die eine ungleichmäßige Spannungseinleitung in die Verschleißschicht verursacht, was zur Folge hat, daß nicht in allen Belastungsfällen eine ausreichende Haftung der Verschleißschicht gewährleistet ist.In order to meet the high stresses on the wear resistance, it is also known to increase the wear resistance of cylindrical running surfaces, for example, the crankcase of an internal combustion engine, at least partially by the fact that, for example, a wear layer of an Fe-based alloy with the light metal alloy Additives such as C, Mn, Mo, V, etc., an Al-based alloy with additives such as Si, Fe, Cu, Ni, etc., or a copper / nickel alloy is applied. The wear layer is preferably applied by welding, plasma spraying, flame spraying or high-speed jet spraying. In order to ensure adhesion to the constantly changing mechanical stresses of this layer, the light alloy to be coated is roughened by a blasting process. This type of pretreatment However, due to the beam systems to be used very complex and creates only an undefined surface structure that causes a non-uniform voltage introduction into the wear layer, with the result that not in all load cases sufficient adhesion of the wear layer is guaranteed.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Abhilfe für die vorstehend geschilderten Probleme zu schaffen.The present invention is therefore based on the object to provide a remedy for the above-described problems.

Diese Aufgabe wird durch eine zylindrische Lauffläche der eingangs beschriebenen Art erfindungsgemäß dadurch gelöst, daß die Nuten oder gewindeähnlichen Profile Hinterschneidungen aufweisen. Zusätzlich wird die Aufgabe durch ein Verfahren gelöst, bei dem in einem ersten Schritt in einer Zylinderbohrung oder Zylinderlaufbuchse durch Drückwalzen, Schneiden oder Fräsen Nuten oder sich spiralförmig erstreckende gewindeähnliche Profile hergestellt werden, in einem zweiten Schritt durch einen Umformprozess Hinterschneidungen erzeugt werden und in einem dritten Verfahrensschritt durch Aufschweißen auf die bearbeitete Zylinderbohrung oder Zylinderlaufbuchse oder durch Plasmaspritzen, Flammspritzen oder Hochgeschwindigkeits-Jet-Spritzen der bearbeiteten Zylinderbohrung oder Zylinderlaufbuchse eine Verschleißschicht aufgebracht wird.This object is achieved by a cylindrical tread of the type described above according to the invention in that the grooves or thread-like profiles have undercuts. In addition, the object is achieved by a method in which in a first step in a cylinder bore or cylinder liner by spin forming, cutting or milling grooves or spirally extending thread-like profiles are produced in a second step by a forming process undercuts are generated and in a third Process step is applied by welding to the machined cylinder bore or cylinder liner or by plasma spraying, flame spraying or high-speed jet spraying the machined cylinder bore or cylinder liner wear a layer.

Diese Verkrallstruktur führt zunächst zu einer definierten Vergrößerung der Haftfläche der zu beschichtenden Lauffläche. Außerdem kommt es beim nachfolgenden Beschichtungsprozeß in den Spitzen zu einer höheren Energiebelastung, was partiell zu einem reproduzierbaren Diffusionsausgleich der Verschleißschicht mit dem Grundwerkstoff führt. Auch kommt es an den Spitzen der Verkrallstrukturzu Anschmelzungen, die die Haftung der Verschleißschicht noch weiter verbessern.This Verkrallstruktur first leads to a defined increase in the adhesive surface of the tread to be coated. In addition, it comes in the subsequent coating process in the tips to a higher energy load, resulting in part to a reproducible diffusion compensation of the wear layer with the base material. It also comes at the tips of the Verkrallstruktur to melting, which further improve the adhesion of the wear layer.

Bei einer Beschichtungsanlage, bei der das Plasma umgelenkt wird, ist der Abstand zur zu beschichteten Oberfläche speziell bei Durchmessern von 60-120 mm so gering, dass im Beschichtungsmedium keine maximale Beschleunigung erreicht werden kann, aufgrund der niedrigen kinetischen Energie ist die Haftung reduziert. Bei Plasma oder Flammspritzvorgängen wird eine optimale Haftung beim senkrechten Auftreffen auf die zu beschichtende Oberfläche erreicht. Bei Beschichtungsverfahren ohne Umlenkung des Plasmas wird in Zylindern mit Durchmesser von 60-120 mm im unteren Zylinderbereich der Auftreffwinkel des Medienstrahls deutlich kleiner 90°, hieraus resultiert eine geringe Haftung des Beschichtungsmediums in dieser Zone.In a coating system where the plasma is deflected, the distance to the surface to be coated, especially at diameters of 60-120 mm, is so small that no maximum acceleration can be achieved in the coating medium, because of the low kinetic energy the adhesion is reduced. at Plasma or flame spraying processes, an optimal adhesion is achieved in the vertical impact on the surface to be coated. In coating processes without deflection of the plasma, in cylinders with a diameter of 60-120 mm in the lower cylinder region, the angle of incidence of the media jet is significantly less than 90 °, resulting in low adhesion of the coating medium in this zone.

Durch Anpassung der Oberflächenstruktur an den Strahlwinkel ist es möglich zonenweise verbindungsähnliche Strukturen zu erzeugen. Daher ist es besonders vorteilhaft für den Beschichtungsprozess, dass zu einer Beschichtungsdüse gerichtete Teilflanken der Verkrallstruktur derart angepaßt sind, daß der Auftreffwinkel des Medienstrahls des Beschichtungswerkzeuges nahezu 90° beträgt.By adapting the surface structure to the beam angle, it is possible to produce zone-like connection-like structures. Therefore, it is particularly advantageous for the coating process that directed to a coating nozzle partial edges of the Verkrallstruktur are adapted so that the angle of incidence of the media jet of the coating tool is nearly 90 °.

Die derart gezielt hergestellte makroskopische Oberflächenstruktur kann dabei in Form von vorzugsweise in Umfangsrichtung erstreckten Nuten oder auch von spiralförmigen gewindeähnlichen Profilen gebildet sein. Des Weiteren kann die Haftung in radialer und/oder axialer Richtung durch Hinterschneidungen verbessert werden.The macroscopic surface structure produced in such a targeted manner can be formed in the form of preferably grooves extending in the circumferential direction or else by helical thread-like profiles. Furthermore, the adhesion in the radial and / or axial direction can be improved by undercuts.

Es hat sich als vorteilhaft erwiesen die mit Verkrallstrukturen versehene Bohrungsinnenkontur durch Aufschweißen, Plasmaspritzen, Flammspritzen oder Hochgeschwindigkeits-Jet-Spritzen herzustellen. Durch elektromagnetische Fokussierung des Medienstrahls wird die Energie (Pinch-Effekt) pro Flächeneinheit signifikant erhöht, was zu einer Verbesserung der Schichthaftung führt.It has proved to be advantageous to produce the bore inner contour provided with claw structures by means of welding, plasma spraying, flame spraying or high-speed jet spraying. Electromagnetic focusing of the media jet significantly increases the energy (pinch effect) per unit area, which leads to an improvement in the layer adhesion.

Die Erfindung wird anhand der nachfolgenden Zeichnung beschrieben, hierin zeigt:

Figur 1
eine fotografische Darstellung eines Längsschnitts durch eine erfindungsgemäß ausgebildete Lauffläche,
Figur 2
eine schematische Darstellung eines Bearbeitungsvorganges einer Bohrungsinnenkontur,
Figur 3
eine vergrößerte schematische Darstellung nach Figur 2 mit einer ersten Ausführungsform der Verkrallstruktur, und
Figur 4
eine vergrößerte schematische Darstellung nach Figur 2 mit einer zweiten Ausführungsform der verkrallstruktur,
The invention will be described with reference to the following drawing, in which:
FIG. 1
a photographic representation of a longitudinal section through an inventively designed tread,
FIG. 2
a schematic representation of a machining operation of a bore inner contour,
FIG. 3
an enlarged schematic representation of FIG. 2 with a first embodiment of the Verkrallstruktur, and
FIG. 4
an enlarged schematic representation of FIG. 2 with a second embodiment of the clawed structure,

Figur 1 zeigt einen Längsschnitt durch eine erfindungsgemäß ausgebildete zylindrische Lauffläche FIG. 1 shows a longitudinal section through an inventively designed cylindrical tread

Die zylindrische Lauffläche 1 besteht aus einer an sich bekannten AluminiumLegierung. In die Lauffläche 1 wurden auf bekannte Weise eine Verkrallstruktur 2, im vorliegenden Ausführungsbeispiel ein Gewindeprofil gedreht. Es sollte deutlich sein, daß die erfindungsgemäßen Verkrallstrukturen 2 auch auf verschiedene andere Weise, wie Drückwalzen, Schneiden, Fräsen etc. in die zylindrische Lauffläche 1 eingebracht werden können. Des Weiteren können durch einen nachfolgenden Umformprozeß die im vorliegenden Ausführungsbeispiel dargestellten leichten Hinterschneidungen 4 an den Verkrallstrukturen 2 angebracht werden.The cylindrical tread 1 consists of a known aluminum alloy. In the tread 1 a Verkrallstruktur 2, in the present embodiment, a threaded profile were rotated in a known manner. It should be clear that the Verkrallstrukturen 2 invention can also be introduced in various other ways, such as spinning, cutting, milling, etc. in the cylindrical tread 1. Furthermore, the light undercuts 4 shown in the present embodiment can be attached to the Verkrallstrukturen 2 by a subsequent forming process.

Nachfolgend wurde durch Plasmaspritzen eine Verschleißschicht 3 auf der zylindrischen Lauffläche 1 aufgebracht. Deutlich zu erkennen ist die Verbindung im Bereich des Gewindeprofils 2.Subsequently, a wear layer 3 was applied to the cylindrical tread 1 by plasma spraying. Clearly visible is the connection in the area of the thread profile 2.

Der kostenaufwendige Strahlvorgang zur Aufrauhung konnte im vorliegenden Beispiel komplett entfallen. Durch die erfindungsgemäße Ausgestaltung der Verkrallstruktur, die einen Auftreffwinkel von nahezu 90° des Medienstrahls auf die Teilflanken 6 (s. Fig. 3 und 4) des Gewindeprofils blieb dieses auch nach dem Aufbringen der Verschleißschicht durch Plasmaspritzen im wesentlichen erhalten, da eine definierte Wärmeeinbringung erfolgen konnte.The costly blasting process for roughening was completely eliminated in the present example. Due to the inventive design of the Verkrallstruktur that an angle of incidence of nearly 90 ° of the media beam on the partial edges 6 (s. 3 and 4 ) of the thread profile remained this even after the application of the wear layer by plasma spraying essentially obtained, since a defined heat input could occur.

Eine schematische Darstellung des Bearbeitungsvorganges zum Aufbringen einer der Verschleißschicht 3 durch den Medienstrahl 5 zeigt Figur 2. Die Verkrallstruktur 2 sorgt dabei dafür, daß der Auftreffwinkel des Medienstrahls 5 nahezu 90° beträgt. Dabei zeigt Figur 3 eine erste Ausführungsform der Struktur 2, die diesen definierten Auftreffwinkel gewährleistet. Die Ausrichtung der Teilflanken 6 ist dabei über die gesamte zylindrische Lauffläche 1 gleichbleibend, was dazu führt, daß während des Beschichtungsvorganges der Medienstrahl 5 translatorisch entlang der Längsachse der zylindrischen Lauffläche 1 bewegt wird (siehe strichpunktierte Linien).A schematic representation of the machining process for applying one of the wear layer 3 through the media jet 5 shows FIG. 2 , The Verkrallstruktur 2 ensures that the angle of incidence of the media beam 5 is nearly 90 °. It shows FIG. 3 a first embodiment of the structure 2, which ensures this defined angle of incidence. The orientation of the partial flanks 6 is constant over the entire cylindrical tread 1, which results in that during the Coating operation of the media beam 5 is translationally moved along the longitudinal axis of the cylindrical tread 1 (see dotted lines).

Figur 4 zeigt eine Verkrallstruktur 2, deren Teilflanken 6 in Längsrichtung der zylindrischen Lauffläche 1 einen sich stetig verringernden Anstellwinkel α aufweisen. Eine derartige Verkrallstruktur 2 kann auf bekannte Weise beispielsweise durch eine CNC-Maschine hergestellt werden. Der Medienstrahl 5 braucht dann wie dargestellt lediglich eine rotatorische Bewegung auszuführen, was wiederum zu einer Vereinfachung des Bearbeitungsvorganges führt. FIG. 4 shows a Verkrallstruktur 2, the partial edges 6 in the longitudinal direction of the cylindrical tread 1 have a steadily decreasing angle α. Such a Verkrallstruktur 2 can be prepared in a known manner, for example by a CNC machine. The media jet 5 then needs to perform as shown only a rotational movement, which in turn leads to a simplification of the machining process.

Claims (2)

Zylindrische Lauffläche einer Zylinderlaufbuchse oder eine Zylinderbohrung mit einer Verkrallstruktur, die aus sich in Umfangsrichtung erstreckenden Nuten oder aus sich spiralförmig erstreckenden gewindeähnlichen Profilen besteht, die mit einer Verschleißschicht beschichtet sind, dadurch gekennzeichnet, dass die Nuten oder gewindeähnlichen Profile (2) Hinterschneidungen (4) aufweisen.Cylindrical tread of a cylinder liner or a cylinder bore with a Verkrallstruktur consisting of circumferentially extending grooves or spirally extending thread-like profiles coated with a wear layer, characterized in that the grooves or thread-like profiles (2) undercuts (4) exhibit. Verfahren zur Herstellung einer zylindrischen Lauffläche, dadurch gekennzeichnet, dass in einem ersten Schritt in einer Zylinderbohrung oder Zylinderlaufbuchse durch Drückwalzen, Schneiden oder Fräsen Nuten oder sich spiralförmig erstreckende gewindeähnliche Profile (2) hergestellt werden, in einem zweiten Schritt durch einen Umformprozess Hinterschneidungen (4) erzeugt werden und in einem dritten Verfahrensschritt durch Aufschweißen auf die beiarbeitete Zylinderbohrung oder Zylinderlaufbuchse oder durch Plasmaspritzen, Flammspritzen oder Hochgeschwindigkeits-Jet-Spritzen der bearbeiteten Zylinderbohrung oder Zylinderlaufbuchse eine Verschleißschicht (3) aufgebracht wird.Method for producing a cylindrical running surface, characterized in that grooves or spirally extending thread-like profiles (2) are produced in a first step in a cylinder bore or cylinder liner by spin forming, cutting or milling, in a second step by a forming process undercuts (4) be generated and in a third process step by welding to the co-working cylinder bore or cylinder liner or by plasma spraying, flame spraying or high-speed jet spraying the machined cylinder bore or cylinder liner a wear layer (3) is applied.
EP09167884.7A 2001-01-20 2002-01-15 Running surface on a cylinder Expired - Lifetime EP2112359B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10102654 2001-01-20
EP02000872A EP1225324B1 (en) 2001-01-20 2002-01-15 Running surface on a cylinder

Related Parent Applications (2)

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EP02000872A Division EP1225324B1 (en) 2001-01-20 2002-01-15 Running surface on a cylinder
EP02000872.8 Division 2002-01-15

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EP2112359A1 true EP2112359A1 (en) 2009-10-28
EP2112359B1 EP2112359B1 (en) 2013-04-03
EP2112359B2 EP2112359B2 (en) 2021-10-06

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EP02000872A Expired - Lifetime EP1225324B1 (en) 2001-01-20 2002-01-15 Running surface on a cylinder
EP09167884.7A Expired - Lifetime EP2112359B2 (en) 2001-01-20 2002-01-15 Running surface on a cylinder

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DE102013011726A1 (en) 2013-07-12 2015-01-29 Bayerische Motorenwerke Aktiengesellschaft Method for processing a running surface of a cylinder of an internal combustion engine
DE102015112540A1 (en) * 2015-07-30 2017-02-16 Bayerische Motoren Werke Aktiengesellschaft Method and device for coating a surface
US9643265B2 (en) 2008-08-05 2017-05-09 Guehring Kg Method and tool for producing a surface of predetermined roughness
US10486391B2 (en) * 2016-12-26 2019-11-26 Honda Motor Co., Ltd. Bonded structure and method for manufacturing the same

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DE102006004769B4 (en) 2006-02-02 2022-05-25 Mercedes-Benz Group AG Surface conditioning for thermal spray coatings
DE102007023418B4 (en) 2007-05-18 2010-09-09 Daimler Ag Process for roughening surfaces for subsequent application of sprayed coatings, corresponding roughened components and coated metal components
DE102008019933A1 (en) * 2008-04-21 2009-10-22 Ford Global Technologies, LLC, Dearborn Apparatus and method for preparing a metal surface for applying a thermally sprayed layer
DE102008022225A1 (en) 2008-05-06 2009-11-12 Daimler Ag Treating an interior surface of a cylinder bore or cylinder liner for reciprocating-piston engine, comprises introducing recesses into a body by machining, and removing a part of the recesses material from the body by irradiating a laser
DE102010016745A1 (en) * 2010-05-03 2011-11-03 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Pretreatment method for formation of grooves in running surface of cylinder crankcase used in engine, involves using rotatable tool that radiates high energy beam onto running surface of cylinder piston at different angles to form grooves
DE102010064350A1 (en) 2010-12-29 2012-07-05 Robert Bosch Gmbh Brake disc and method for treating the surface of a brake disc
US8956700B2 (en) 2011-10-19 2015-02-17 General Electric Company Method for adhering a coating to a substrate structure
DE102012021859B4 (en) 2012-11-07 2018-10-18 Daimler Ag Process for the thermal coating of cylinder surfaces
US9863030B2 (en) 2015-03-02 2018-01-09 GM Global Technology Operations LLC Stress relief of mechanically roughened cylinder bores for reduced cracking tendency
DE102016116815A1 (en) 2016-09-08 2018-03-08 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Process for coating a cylinder of an internal combustion engine and cylinder for an internal combustion engine

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Publication number Priority date Publication date Assignee Title
US9643265B2 (en) 2008-08-05 2017-05-09 Guehring Kg Method and tool for producing a surface of predetermined roughness
US10259059B2 (en) 2008-08-05 2019-04-16 Martinrea Honsel Germany Gmbh Method and tool for producing a surface of predetermined roughness
DE102013011726A1 (en) 2013-07-12 2015-01-29 Bayerische Motorenwerke Aktiengesellschaft Method for processing a running surface of a cylinder of an internal combustion engine
US10316789B2 (en) 2013-07-12 2019-06-11 Hoffmann GmbH Qualitätswerkzeuge Method of machining a motion-supporting surface of a cylinder of an internal combustion engine
DE102015112540A1 (en) * 2015-07-30 2017-02-16 Bayerische Motoren Werke Aktiengesellschaft Method and device for coating a surface
US11013099B2 (en) 2015-07-30 2021-05-18 Bayerische Motoren Werke Aktiengesellschaft Method and device for coating a surface
US10486391B2 (en) * 2016-12-26 2019-11-26 Honda Motor Co., Ltd. Bonded structure and method for manufacturing the same

Also Published As

Publication number Publication date
ES2334770T3 (en) 2010-03-16
EP1225324B1 (en) 2009-10-14
EP1225324A2 (en) 2002-07-24
ES2411477T5 (en) 2022-03-24
DE50213911D1 (en) 2009-11-26
EP2112359B1 (en) 2013-04-03
ES2411477T3 (en) 2013-07-05
EP2112359B2 (en) 2021-10-06
EP1225324A3 (en) 2003-03-26

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