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DE1084094B - Process for the production of piston rings - Google Patents

Process for the production of piston rings

Info

Publication number
DE1084094B
DE1084094B DE1954T0010154 DET0010154A DE1084094B DE 1084094 B DE1084094 B DE 1084094B DE 1954T0010154 DE1954T0010154 DE 1954T0010154 DE T0010154 A DET0010154 A DE T0010154A DE 1084094 B DE1084094 B DE 1084094B
Authority
DE
Germany
Prior art keywords
piston rings
production
piston
ring
magazine
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.)
Pending
Application number
DE1954T0010154
Other languages
German (de)
Inventor
Dr-Ing Heinz Berg
Herbert Stein
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.)
Continental Teves AG and Co oHG
Original Assignee
Alfred Teves GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alfred Teves GmbH filed Critical Alfred Teves GmbH
Priority to DE1954T0010154 priority Critical patent/DE1084094B/en
Publication of DE1084094B publication Critical patent/DE1084094B/en
Pending legal-status Critical Current

Links

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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/26—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction characterised by the use of particular materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Description

Verfahren zur Herstellung von Kolbenringen Die Erfindung bezieht sich auf ein Verfahren zur Herstellung von Kolbenringen. Die Kolbenringe bekannter Ausführung neigen nach einer gewissen Laufzeit dazu, in der Kolbennut zu verkanten oder zu flattern. Dies resultiert aus der durch Einschlagen der Planflächen, insbesondere der unteren Planflächen, infolge der zu geringen Verschleißfestigkeit verminderten Höhe des Ringes. Zur Behebung dieses Nachteiles wurde schon vorgeschlagen, den gesamten Ring beispielsweise in einem Nitrierbad zu härten. Der derart behandelte Ring ist gegen ein Einschlagen der Planflächen unempfindlich und zeigt an den Laufflächen eine Steigerung des Verschleißwiderstandes bzw. eine Minderung der Freßneigung.Method of Making Piston Rings The invention relates to to a process for the production of piston rings. The piston rings of known design tend after a certain running time to jam or to jam in the piston groove flutter. This results from the hammering in of the plane surfaces, in particular of the lower plane surfaces, as a result of the insufficient wear resistance Height of the ring. To remedy this disadvantage it has already been proposed to use the entire Harden the ring in a nitriding bath, for example. The ring so treated is Insensitive to the impact of the flat surfaces and shows on the running surfaces an increase in wear resistance or a reduction in the tendency to seize.

Diesem Vorteil im betrieblichen Verhalten der Kolbenringe während des Dauerlaufes steht als empfindlicher Nachteil gegenüber, daß ihr Verhalten während des Einlaufes viel ungünstiger wird. Die beim Einlaufen der Kolbenringe notwendige Abtragung geringfügiger geometrischer Ungleichförmigkeiten der Oberfläche wird dadurch verzögert. Man ist also gezwungen, um Schäden an Zylindern und Kolben zu vermeiden, den Einlaufvorgang möglichst schonend durchzuführen. Das heißt also, daß das Kraftfahrzeug in dem ersten Benutzungszeitraum nicht ausgefahren werden kann. Eine solche Forderung widerspricht in jeder Weise den heutigen Auffasungen.This advantage in the operational behavior of the piston rings during the endurance run is countered as a sensitive disadvantage that their behavior during the enema becomes much less favorable. The one required when the piston rings run in Removal of minor geometric irregularities of the surface is thereby delayed. So you are forced to avoid damage to cylinders and pistons, carry out the running-in process as gently as possible. So that means that the motor vehicle cannot be extended during the first period of use. Such a requirement contradicts today's views in every way.

Diese Schwierigkeiten lassen sich erfindungsgemäß dadurch umgehen, daß man den in bekannter Weise allseitig weichnitrierten Kolbenring anschließend an seiner Lauffläche mit einer auf galvanischem oder auf anderem «rege aufgebrachten Schicht versieht, die beispielsweise aus Kupfer oder Zinn oder deren Legierungen bestehen kann. Bedarfsweise kann die das Aufbringen der Schicht erschwerende Oxydschicht in an sich bekannter Weise z. B. durch Ätzen oder mechanische Bearbeitung entfernt werden.According to the invention, these difficulties can be avoided by that the piston ring is then soft nitrided on all sides in a known manner on its running surface with a galvanic or other "active" Layer provides, for example, made of copper or tin or their alloys can exist. If necessary, the oxide layer which makes the application of the layer more difficult can be used in a manner known per se z. B. removed by etching or machining will.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung von Kolbenringen, dadurch gekennzeichnet, daß in an sich bekannter Weise weichnitrierte Kolbenringe an der Lauffläche mit einer auf galvanischem oder auf anderem Wege aufgebrachten Schicht versehen werden. In Betracht gezogene Druckschriften: Britische Patentschrift Nr. 662 213; Zeitschrift »Iron Age« (VI. 1951), Nr.24, S.86 bis 88; Zeitschrift »Der Kolbenring« (Goetzewerke, Friedr. Goetze A.G. - Burscheid)., Nr. 11.PATENT CLAIM: Process for the production of piston rings, thereby characterized in that in a known manner soft nitrided piston rings on the Tread with a layer applied by galvanic or other means be provided. Documents considered: British Patent No. 662 213; Iron Age magazine (VI. 1951), No. 24, pages 86 to 88; Magazine »Der Piston ring «(Goetzewerke, Friedr. Goetze A.G. - Burscheid)., No. 11.
DE1954T0010154 1954-10-28 1954-10-28 Process for the production of piston rings Pending DE1084094B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1954T0010154 DE1084094B (en) 1954-10-28 1954-10-28 Process for the production of piston rings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1954T0010154 DE1084094B (en) 1954-10-28 1954-10-28 Process for the production of piston rings

Publications (1)

Publication Number Publication Date
DE1084094B true DE1084094B (en) 1960-06-23

Family

ID=599734

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1954T0010154 Pending DE1084094B (en) 1954-10-28 1954-10-28 Process for the production of piston rings

Country Status (1)

Country Link
DE (1) DE1084094B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3502143A1 (en) * 1984-01-23 1985-08-01 Nippon Piston Ring Co., Ltd., Tokio/Tokyo STEEL PISTON RING
DE3506747A1 (en) * 1984-03-07 1985-09-19 Nippon Piston Ring Co., Ltd., Tokio/Tokyo PISTON RING
DE4221958C1 (en) * 1992-07-02 1993-11-18 Mannesmann Ag Method for producing a gear element of a pinion shaft
US5655955A (en) * 1993-07-30 1997-08-12 Nagel Maschinen Und Werekzeugfabrik Gmbh Method and tool for improving the structure of the inner faces of working chambers of machines and motors
EP0878647A3 (en) * 1997-05-17 1999-12-29 Federal-Mogul Burscheid GmbH Piston ring made of cast iron

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB662213A (en) * 1949-09-01 1951-12-05 British Piston Ring Company Lt Improvements relating to piston rings

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB662213A (en) * 1949-09-01 1951-12-05 British Piston Ring Company Lt Improvements relating to piston rings

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3502143A1 (en) * 1984-01-23 1985-08-01 Nippon Piston Ring Co., Ltd., Tokio/Tokyo STEEL PISTON RING
DE3506747A1 (en) * 1984-03-07 1985-09-19 Nippon Piston Ring Co., Ltd., Tokio/Tokyo PISTON RING
DE4221958C1 (en) * 1992-07-02 1993-11-18 Mannesmann Ag Method for producing a gear element of a pinion shaft
US5655955A (en) * 1993-07-30 1997-08-12 Nagel Maschinen Und Werekzeugfabrik Gmbh Method and tool for improving the structure of the inner faces of working chambers of machines and motors
EP0878647A3 (en) * 1997-05-17 1999-12-29 Federal-Mogul Burscheid GmbH Piston ring made of cast iron

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