EP1126040A1 - Manufacturing method for a metal member interacting through a sliding surface with a friction member for a drive assembly, in particular for an internal combustion engine - Google Patents

Manufacturing method for a metal member interacting through a sliding surface with a friction member for a drive assembly, in particular for an internal combustion engine Download PDF

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Publication number
EP1126040A1
EP1126040A1 EP00126815A EP00126815A EP1126040A1 EP 1126040 A1 EP1126040 A1 EP 1126040A1 EP 00126815 A EP00126815 A EP 00126815A EP 00126815 A EP00126815 A EP 00126815A EP 1126040 A1 EP1126040 A1 EP 1126040A1
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EP
European Patent Office
Prior art keywords
component
silicon
sliding surface
alloy
combustion engine
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Granted
Application number
EP00126815A
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German (de)
French (fr)
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EP1126040B1 (en
Inventor
Rudolf Dr. Flierl
Alois Haberl
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Bayerische Motoren Werke AG
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Bayerische Motoren Werke AG
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Publication of EP1126040A1 publication Critical patent/EP1126040A1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0408—Light metal alloys
    • C22C1/0416—Aluminium-based alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
    • C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08—Rotary pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • B22F3/164—Partial deformation or calibration
    • B22F2003/166—Surface calibration, blasting, burnishing, sizing, coining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/90—Alloys not otherwise provided for
    • F05C2201/903—Aluminium alloy, e.g. AlCuMgPb F34,37
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49462—Gear making

Definitions

  • the invention relates to Process for producing a cooperating with a friction partner over a sliding surface
  • Metal component for a drive unit, especially an internal combustion engine the component to achieve a wear-resistant sliding surface is formed from an at least eutectic aluminum-silicon alloy.
  • a vane compressor is known from US Pat. No. 5,055,016 the component with friction-loaded sliding surfaces made of an aluminum-silicon alloy are formed, their silicon content in parts by weight between 12 - 20% is selected depending on the respective friction partner.
  • a compressor with a fixed one is known from EP 0 508 426 B1 Snail and a rotating snail, one of the snails from a hypereutectic aluminum-silicon alloy is formed, which in addition to copper and Magnesium alloy proportions further alloy elements from the IIIa group,
  • the IVa Group and the Va Group include high wear resistance to achieve a high strength of the component.
  • the invention has for its object a for a generic component inexpensive aluminum-Si alloy with regard to strength and high wear resistance to show, which also enables the sliding surface by a mechanical After-treatment qualitatively regarding strength and wear resistance increase.
  • the alloy according to the invention a selection of materials is desired Strength and relatively high wear resistance shown, the wear resistance by subsequently calibrating the respective sliding surface of the Component is increased by solidified embedding of the silicon particles.
  • the component can be made from an inventive one Alu-Si alloy can be produced by machining.
  • the component is used to achieve a wear-resistant sliding surface formed from an at least eutectic aluminum-silicon alloy.
  • the use is made using an inexpensive aluminum-Si alloy an aluminum-silicon-copper-magnesium alloy proposed with each a weight-based alloy content for silicon Si of 12 - 15% for copper Cu from 2.5% to 3.5% and magnesium Mg from 0.4% - 0.8%, the particle size for silicon is between 4 ⁇ m and 30 pm and also the sliding surface of the Component in the solid state is compressed by calibration.
  • the component can also be machined from the AlSiCuMg alloy according to the invention are produced.
  • the alloy according to the invention is preferably used in training a sprocket wheel or a gear wheel, and here again in particular for a valve control of an internal combustion engine for advantageous weight reduction.
  • the alloy according to the invention is further preferred by at least partially Use for a valve control shaft adjustment device, in particular in the design of a vane unit.
  • a housing of a valve control shaft adjusting device is integral with one Chain gear is formed by sintering.
  • the alloy according to the invention is suitable for a component that acts as a guide bush is designed for a gas exchange valve of an internal combustion engine.
  • Advantageous is here with the use of such guide bushings in an aluminum alloy designed cylinder head that both components essentially have the same coefficient of thermal expansion and thus increased tension are prevented.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Powder Metallurgy (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)
  • Rotary Pumps (AREA)

Abstract

Für ein Verfahren zur Herstellung eines mit einem Reibpartner über eine Gleitfläche zusammenwirkenden Metall-Bauteiles aus einer Aluminium-Silizium-Legierung für ein Antriebsaggregat, insbesondere Brennkraftmaschine wird die Verwendung einer Aluminium-Silizium-Kupfer-Magnesium-Legierung vorgeschlagen mit jeweils einem gewichtsbezogenen Legierungsanteil für Silizium Si von 12 - 15 %, für Kupfer Cu von 2,5 % - 3,5 % und Magnesium Mg von 0,4 % - 0,8 %, wobei die Partikelgröße für Silizium zwischen 4 µ und 30 µm beträgt und die Gleitfläche des Bauteiles im festen Zustand mittels Kalibrieren verdichtet wird.For a method for producing a metal component that interacts with a friction partner via a sliding surface and is made of an aluminum-silicon alloy for a drive unit, in particular an internal combustion engine, the use of an aluminum-silicon-copper-magnesium alloy is proposed, each with a weight-based alloy component for silicon Si from 12 - 15%, for copper Cu from 2.5% - 3.5% and magnesium Mg from 0.4% - 0.8%, whereby the particle size for silicon is between 4 µ and 30 µm and the sliding surface of the Component in the solid state is compressed by calibration.

Description

Die Erfindung bezieht sich nach dem Oberbegriff des Patentanspruches 1 auf ein Verfahren zur Herstellung eines mit einem Reibpartner über eine Gleitfläche zusammenwirkenden Metall-Bauteiles für ein Antriebsaggregat, insbesondere Brennkraftmaschine, wobei das Bauteil zur Erzielung einer verschleißfesten Gleitfläche aus einer zumindest eutektischen Aluminium-Silizium-Legierung gebildet wird.According to the preamble of claim 1, the invention relates to Process for producing a cooperating with a friction partner over a sliding surface Metal component for a drive unit, especially an internal combustion engine, the component to achieve a wear-resistant sliding surface is formed from an at least eutectic aluminum-silicon alloy.

Aus der US 5,055,016 ist beispielsweise ein Flügelzellen-Kompressor bekannt, bei dem Bauteile mit reibungsbeaufschlagten Gleitflächen aus einer Aluminium-Silizium-Legierung gebildet sind, wobei deren Silizium-Gehalt in Gewichtsanteilen zwischen 12 - 20 % in Abhängigkeit des jeweiligen Reibpartners gewählt ist.For example, a vane compressor is known from US Pat. No. 5,055,016 the component with friction-loaded sliding surfaces made of an aluminum-silicon alloy are formed, their silicon content in parts by weight between 12 - 20% is selected depending on the respective friction partner.

Weiter ist aus der EP 0 508 426 B1 ein Kompressor bekannt mit einer feststehenden Schnecke und einer drehenden Schnecke, wobei eine der Schnecken aus einer übereutektischen Aluminium-Silizium-Legierung gebildet ist, die neben Kupfer und Magnesium-Legierungsanteilen weitere Legierungselemente aus der IIIa-Gruppe, der IVa-Gruppe sowie der Va-Gruppe umfasst um neben einer hohen Verschleißfestigkeit auch eine hohe Festigkeit des Bauteiles zu erzielen. Furthermore, a compressor with a fixed one is known from EP 0 508 426 B1 Snail and a rotating snail, one of the snails from a hypereutectic aluminum-silicon alloy is formed, which in addition to copper and Magnesium alloy proportions further alloy elements from the IIIa group, The IVa Group and the Va Group include high wear resistance to achieve a high strength of the component.

Der Erfindung liegt die Aufgabe zugrunde, für ein gattungsgemäßes Bauteil eine hinsichtlich Festigkeit und hohem Verschleißwiderstand kostengünstige Alu-Si-Legierung aufzuzeigen, die es ferner ermöglicht, die Gleitfläche durch eine mechanische Nachbehandlung qualitativ bezüglich Festigkeit und Verschließwiderstand zu steigern.The invention has for its object a for a generic component inexpensive aluminum-Si alloy with regard to strength and high wear resistance to show, which also enables the sliding surface by a mechanical After-treatment qualitatively regarding strength and wear resistance increase.

Zur Lösung dieser Aufgabe wird die Verwendung einer Aluminium-Silizium-Kupfer-Magnesium-Legierung vorgeschlagen mit jeweils mit einem gewichtsbezogenen Legierungsanteil für Silizium Si von 12 - 15 %, für Kupfer Cu von 2,5 - 3,5 % und Magnesium Mg von 0,4 - 0,8 %, wobei die Partikelgröße für Silizium zwischen 4 µm und 30 µm beträgt, und die Gleitfläche des Bauteiles im festen Zustand mittels Kalibrieren verdichtet wird.To solve this problem, the use of an aluminum-silicon-copper-magnesium alloy proposed with each with a weight-based Alloy content for silicon Si from 12 - 15%, for copper Cu from 2.5 - 3.5% and Magnesium Mg from 0.4 - 0.8%, the particle size for silicon between 4 µm and 30 µm, and the sliding surface of the component in the solid state by means of calibration is compressed.

Mit der erfindungsgemäßen Legierung ist eine Werkstoffauswahl von gewünschter Festigkeit und relativ hohem Verschleißwiderstand aufgezeigt, wobei der Verschleißwiderstand durch nachträgliches Kalibrieren der jeweiligen Gleitfläche des Bauteiles durch verfestigtes Einbetten der Silizium-Partikel gesteigert ist. In Ausgestaltung der Erfindung ist eine AlSiCuMg-Legierung mit Si = 14 %, Cu = 3 % und Mg = 0,6 % bevorzugt als Sinterwerkstoff zur Ausbildung des Bauteiles, wobei in der Gleitfläche die Partikelgröße von Silizium ca. 8 - 20 µm beträgt.With the alloy according to the invention, a selection of materials is desired Strength and relatively high wear resistance shown, the wear resistance by subsequently calibrating the respective sliding surface of the Component is increased by solidified embedding of the silicon particles. In development The invention is an AlSiCuMg alloy with Si = 14%, Cu = 3% and Mg = 0.6% preferably as a sintered material for forming the component, in which Sliding surface the particle size of silicon is approx. 8 - 20 µm.

Gemäß einem anderen Herstell-Verfahren kann das Bauteil aus einer erfindungsgemäßen Alu-Si-Legierung mittels einer spanabhebenden Bearbeitung erzeugt sein.According to another manufacturing method, the component can be made from an inventive one Alu-Si alloy can be produced by machining.

Bevorzugte Anwendungsbeispiele für die erfindungsgemäße Alu-Si-Legierung sind in weiteren Unteransprüchen angegeben.Preferred application examples for the aluminum-Si alloy according to the invention are specified in further subclaims.

Die Erfindung ist im folgenden beschrieben.The invention is described below.

Bei einem Verfahren zur Herstellung eines mit einem Reibpartner über eine Gleitfläche zusammenwirkenden Metall-Bauteiles für ein Antriebsaggregat, insbesondere Brennkraftmaschine, wird das Bauteil zur Erzielung einer verschleißfesten Gleitfläche aus einer zumindest eutektischen Aluminium-Silizium-Legierung gebildet.In a method of making one with a friction partner over a sliding surface interacting metal component for a drive unit, in particular Internal combustion engine, the component is used to achieve a wear-resistant sliding surface formed from an at least eutectic aluminum-silicon alloy.

Zur Erzielung eines Bauteiles von ausreichender Festigkeit und hohem Verschleißwiderstand mittels einer kostengünstigen Alu-Si-Legierung wird die Verwendung einer Aluminium-Silizium-Kupfer-Magnesium-Legierung vorgeschlagen mit jeweils einem gewichtsbezogenen Legierungsanteil für Silizium Si von 12 - 15 % für Kupfer Cu von 2,5 % bis 3,5 % und Magnesium Mg von 0,4 % - 0,8 %, wobei die Partikelgröße für Silizium zwischen 4 µm und 30 pm beträgt und ferner die Gleitfläche des Bauteiles im festen Zustand mittels Kalibrieren verdichtet wird.To achieve a component of sufficient strength and high wear resistance the use is made using an inexpensive aluminum-Si alloy an aluminum-silicon-copper-magnesium alloy proposed with each a weight-based alloy content for silicon Si of 12 - 15% for copper Cu from 2.5% to 3.5% and magnesium Mg from 0.4% - 0.8%, the particle size for silicon is between 4 µm and 30 pm and also the sliding surface of the Component in the solid state is compressed by calibration.

Als besonders vorteilhaft hat sich die AlSiCuMg-Legierung mit Si = 14 %, Cu = 3 % und Mg = 0,6 % erwiesen, insbesondere als Sinterwerkstoff zur Ausbildung des Bauteiles, wobei in der Gleitfläche die Partikelgröße von Silizium ca. 8 - 20 µm beträgt.The AlSiCuMg alloy with Si = 14%, Cu = 3% has proven to be particularly advantageous and Mg = 0.6%, especially as a sintered material to form the Component, the particle size of silicon in the sliding surface approx. 8 - 20 µm is.

Weiter kann das Bauteil auch mittels einer spanabhebenden Bearbeitung aus der erfindungsgemäßen AlSiCuMg-Legierung erzeugt werden.The component can also be machined from the AlSiCuMg alloy according to the invention are produced.

Die erfindungsgemäße Legierung findet bevorzugt Verwendung bei der Ausbildung eines Kettenzahnrades oder eines Zahnrades und hierbei wiederum insbesondere für eine Ventilsteuerung einer Brennkraftmaschine zur vorteilhaften Gewichtsreduzierung.The alloy according to the invention is preferably used in training a sprocket wheel or a gear wheel, and here again in particular for a valve control of an internal combustion engine for advantageous weight reduction.

Weiter bevorzugt ist die erfindungsgemäße Legierung durch eine zumindest teilweise Verwendung für eine Ventilsteuerwellen-Verstelleinrichtung, insbesondere in der Ausgestaltung einer Flügelzelleneinheit.The alloy according to the invention is further preferred by at least partially Use for a valve control shaft adjustment device, in particular in the design of a vane unit.

Eine bevorzugte Kombination beider vorgenannter Anwendungen ist dadurch erzielt, dass ein Gehäuse einer Ventilsteuerwellen-Verstelleinrichtung integral mit einem Kettenzahnrad mittels Sintern ausgebildet ist. A preferred combination of both of the aforementioned applications is achieved that a housing of a valve control shaft adjusting device is integral with one Chain gear is formed by sintering.

Weiter bietet sich die erfindungsgemäße Legierung für ein Bauteil an, das als Führungsbuchse für ein Gaswechselventil einer Brennkraftmaschine gestaltet ist. Vorteilhaft ist hierbei mit einem Einsatz derartiger Führungsbuchsen in einem aus Aluminium-Legierung gestalteten Zylinderkopf, dass beide Bauteile im wesentlichen den gleichen Wärmeausdehnungskoeffizienten aufweisen und somit erhöhte Verspannung unterbunden sind.Furthermore, the alloy according to the invention is suitable for a component that acts as a guide bush is designed for a gas exchange valve of an internal combustion engine. Advantageous is here with the use of such guide bushings in an aluminum alloy designed cylinder head that both components essentially have the same coefficient of thermal expansion and thus increased tension are prevented.

Claims (7)

Verfahren zur Herstellung eines mit einem Reibpartner über eine Gleitfläche zusammenwirkenden Metall-Bauteiles für ein Antriebsaggregat, insbesondere Brennkraftmaschine, wobei das Bauteil zur Erzielung einer verschleißfesten Gleitfläche aus einer zumindest eutektischen Aluminium-Silizium-Legierung gebildet wird, gekennzeichnet durch die Verwendung einer Aluminium-Silizium-Kupfer-Magnesium-Legierung mit jeweils einem gewichtsbezogenen Legierungsanteil für Silizium Si von 12 - 15 %, für Kupfer Cu von 2,5 % - 3,5 % und Magnesium Mg von 0,4 % - 0,8 %, wobei die Partikelgröße für Silizium zwischen 4 µm und 30 µm beträgt, und die Gleitfläche des Bauteiles im festen Zustand mittels Kalibrieren verdichtet wird. Method for producing a metal component for a drive unit, in particular an internal combustion engine, which interacts with a friction partner via a sliding surface, the component being formed from an at least eutectic aluminum-silicon alloy in order to achieve a wear-resistant sliding surface, marked by the use of an aluminum-silicon-copper-magnesium alloy, each with a weight-based alloy content for silicon Si from 12 - 15%, for copper Cu from 2.5% - 3.5% and magnesium Mg from 0.4% - 0, 8%, where the particle size for silicon is between 4 µm and 30 µm, and the sliding surface of the component is compacted in the solid state by means of calibration. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die AlSiCuMg-Legierung mit Si = 14 %, Cu = 3 % und Mg = 0,6 % als Sinterwerkstoff zur Ausbildung des Bauteiles dient, wobei in der Gleitfläche die Partikelgröße von Silizium ca. 8 - 20 µm beträgt. A method according to claim 1, characterized in that the AlSiCuMg alloy with Si = 14%, Cu = 3% and Mg = 0.6% serves as the sintered material to form the component, whereby the particle size of silicon in the sliding surface is approx. 8 - 20 µm. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Bauteil mittels einer spanabhebenden Bearbeitung aus der AlSiCuMg-Legierung hergestellt wird.A method according to claim 1, characterized in that the component is produced from the AlSiCuMg alloy by means of machining. Bauteil nach Anspruch 2 oder 3, gekennzeichnet durch die Verwendung als Ketten- oder Zahnrad, insbesondere in einer Ventilsteuerung einer Brennkraftmaschine.Component according to claim 2 or 3, characterized by the use as a chain or gear, in particular in a valve control of an internal combustion engine. Bauteil nach Anspruch 2 oder 3, gekennzeichnet durch eine zumindest teilweise Verwendung in einer Ventilsteuerwellen-Verstelleinrichtung, insbesondere Flügelzelleneinheit.Component according to claim 2 or 3, characterized by an at least partial use in a valve control shaft adjusting device, in particular vane cell unit. Bauteil nach Anspruch 4 und 5, dadurch gekennzeichnet, dass ein Gehäuse einer Ventilsteuerwellen-Verstelleinrichtung integral mit einem Kettenzahnrad mittels Sintern ausgebildet wird.Component according to claim 4 and 5, characterized in that a housing of a valve control shaft adjusting device is formed integrally with a sprocket by means of sintering. Bauteil nach Anspruch 2 oder 3, gekennzeichnet durch die Verwendung als Führungsbuchse für ein Gaswechselventil einer Brennkraftmaschine.Component according to claim 2 or 3, characterized by the use as a guide bush for a gas exchange valve of an internal combustion engine.
EP00126815A 2000-02-12 2000-12-07 Use of a AlSiCuMg alloy for manufacturing a metal member interacting through a sliding surface with a friction member for a drive assembly, in particular for an internal combustion engine Expired - Lifetime EP1126040B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10006269 2000-02-12
DE10006269A DE10006269A1 (en) 2000-02-12 2000-02-12 Method for producing a metal component for a drive unit, in particular an internal combustion engine, which interacts with a friction partner via a sliding surface

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Publication Number Publication Date
EP1126040A1 true EP1126040A1 (en) 2001-08-22
EP1126040B1 EP1126040B1 (en) 2004-10-06

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Country Status (4)

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US (1) US6418901B2 (en)
EP (1) EP1126040B1 (en)
DE (2) DE10006269A1 (en)
ES (1) ES2225004T3 (en)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
FR2825376A1 (en) * 2001-05-29 2002-12-06 Nippon Light Metal Co Fabrication of a wear resistant molded article from a molten hyper-eutectic aluminum-silicon alloy containing copper held at a predetermined temperature to regulate the metallurgical structure before casting
EP2058478A1 (en) * 2007-11-09 2009-05-13 hofer mechatronik GmbH Adjustment device for modification of the relative position of a camshaft
EP2372119A1 (en) * 2010-03-31 2011-10-05 Schwäbische Hüttenwerke Automotive GmbH Combined chain wheel stator unit
EP2418034A3 (en) * 2010-08-11 2014-05-28 Schwäbische Hüttenwerke Automotive GmbH Sintered gear wheel composite and method for its production

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10006269A1 (en) 2000-02-12 2001-08-16 Bayerische Motoren Werke Ag Method for producing a metal component for a drive unit, in particular an internal combustion engine, which interacts with a friction partner via a sliding surface
DE10203283C5 (en) * 2002-01-29 2009-07-16 Gkn Sinter Metals Gmbh Method for producing sintered components from a sinterable material and sintered component
DE102006052998B4 (en) * 2006-11-10 2012-11-08 Hofer Mechatronik Gmbh Adjustment device for changing the relative position of a camshaft
DE102012213176B4 (en) * 2012-07-26 2021-07-01 Schaeffler Technologies AG & Co. KG Hydraulic camshaft adjuster
CN105443379B (en) * 2014-08-20 2018-02-09 珠海格力节能环保制冷技术研究中心有限公司 Helical-lobe compressor and air conditioner
CN113327862A (en) * 2021-02-07 2021-08-31 上海先进半导体制造有限公司 Eutectic welding method without welding flux and electronic product

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DE10006269A1 (en) 2001-08-16
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ES2225004T3 (en) 2005-03-16
US20010015014A1 (en) 2001-08-23

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