EP0525540B1 - Chemise de cylindre pour un moteur à combustion interne - Google Patents

Chemise de cylindre pour un moteur à combustion interne Download PDF

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Publication number
EP0525540B1
EP0525540B1 EP92112215A EP92112215A EP0525540B1 EP 0525540 B1 EP0525540 B1 EP 0525540B1 EP 92112215 A EP92112215 A EP 92112215A EP 92112215 A EP92112215 A EP 92112215A EP 0525540 B1 EP0525540 B1 EP 0525540B1
Authority
EP
European Patent Office
Prior art keywords
percent
weight
internal combustion
cast iron
combustion engine
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
EP92112215A
Other languages
German (de)
English (en)
Other versions
EP0525540A1 (fr
Inventor
Frithjof Bünning
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.)
MAN B&W Diesel GmbH
Original Assignee
MAN B&W Diesel 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 MAN B&W Diesel GmbH filed Critical MAN B&W Diesel GmbH
Priority to DE9218455U priority Critical patent/DE9218455U1/de
Publication of EP0525540A1 publication Critical patent/EP0525540A1/fr
Application granted granted Critical
Publication of EP0525540B1 publication Critical patent/EP0525540B1/fr
Anticipated expiration legal-status Critical
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 
    • F02F1/02—Cylinders; Cylinder heads  having cooling means
    • F02F1/04—Cylinders; Cylinder heads  having cooling means for air cooling
    • F02F1/06—Shape or arrangement of cooling fins; Finned cylinders
    • F02F1/08—Shape or arrangement of cooling fins; Finned cylinders running-liner and cooling-part of cylinder being different parts or of different material
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/04—Cast-iron alloys containing spheroidal graphite
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F2007/0097—Casings, e.g. crankcases or frames for large diesel engines
    • 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
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/04—Phosphor

Definitions

  • the invention relates to a cylinder liner for an internal combustion engine, in particular for a large diesel engine.
  • Cylinder liners of internal combustion engines which are shaped by casting, generally consist of cast iron with lamellar graphite.
  • typical gray cast iron alloys for cylinder liners can be found in DE-AS 2 146 153.
  • the gray cast iron is characterized by its good castability and a low price. Its mechanical and physical properties are particularly dependent on the structure of the structure.
  • the structure consists of a metallic matrix with lamellar graphite inclusions. These break the structural cohesion the less, the finer and shorter they are.
  • the graphite formation can be refined by modification in a known manner. By appropriate introduction of germs (vaccination) and / or increased cooling speed, fine lamellae can be achieved in a high quality cast iron with fine streaked pearlite.
  • a cylinder liner made of this gray cast iron, alloyed with phosphorus and / or boron, has on its surface due to its advantageous heterogeneous structure and the net-shaped arrangement of very hard steadite / cementite caused by phosphorus and / or boron addition, which keeps the lubricating film on the surface , very favorable sliding properties, so that the piston rings of the piston can run well in the cylinder liner.
  • the cylinder liner is cast from a pearlitic cast iron with spheroidal graphite, with its structure similar to today's customary, correspondingly alloyed bushings made of cast iron with lamellar graphite, clearly delimited, network-like, evenly distributed cementite / steadite fractions, which have an area fraction between 3 and 8%.
  • the spherical shape of the graphite increases the tensile strength and the impact strength of the structure of the cylinder liner.
  • the surface of the cylinder liner - as with appropriately alloyed cast iron with lamellar graphite - has a microscopically fine, net-shaped relief that ensures good adhesion for a lubricating film. This ensures good running behavior of the piston rings on the cylinder liner surface.
  • the boron, phosphorus, vanadium content is to be set within the above-mentioned limits in such a way that the desired properties for the cast part are achieved and special properties are optimized according to the specific need.
  • phosphorus increases wear resistance, but also has an embrittling effect, but supplies boron from the three alloying elements, Phosphorus or vanadium is the best network distribution of the cementite / steadite shares.
  • Boron best promotes the wear resistance of the structure, but does not provide a network distribution of the cementite / steadite components that is not quite as good as phosphorus, while vanadium supports the tensile and wear resistance, but hardly causes a network-like distribution of the cementite / steadite components and therefore as additional alloying element would be unsuitable without boron and / or phosphorus.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Claims (2)

  1. Chemise de cylindre pour moteur à combustion interne, notamment pour gros moteur diesel, fabriquée en fonte perlitique à graphite sphéroïdal, et présentant les limites d'analyse suivantes :
    3,2 à 3,9 % en poids de carbone
    2,1 à 2,7 % en poids de silicium
    0,1 à 0,4 % en poids de manganèse
    moins de 0,01 % en poids de soufre
    0,025 à 0,06 % en poids de magnésium
    0,5 à 1,5 % en poids de cuivre
    du bore pour 0,01 à 0,03 %
    du phosphore pour 0,2 à 0,4 %
    éventuellement du vanadium pour 0,1 à 0,3 %
    du fer pour le reste,
    dans laquelle la structure de la fonte comprend, outre les inclusions de graphite sphéroïdal, également des fractions cémentite/eutectique phosphoreux nettement limitées, disposées selon une distribution réticulée uniforme et qui occupent une fraction de 3 à 8% de la surface.
  2. Chemise de cylindre pour moteur à combustion interne selon la revendication 1, caractérisée en ce que la fonte contient une addition de vanadium de 0,1 à 0,3 % en poids en tant qu'élément d'alliage, aux dépens du fer constituant l'élément restant.
EP92112215A 1991-07-27 1992-07-17 Chemise de cylindre pour un moteur à combustion interne Expired - Lifetime EP0525540B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9218455U DE9218455U1 (de) 1991-07-27 1992-07-17 Zylinderlaufbuchse für eine Brennkraftmaschine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4124996 1991-07-27
DE4124996 1991-07-27

Publications (2)

Publication Number Publication Date
EP0525540A1 EP0525540A1 (fr) 1993-02-03
EP0525540B1 true EP0525540B1 (fr) 1994-12-28

Family

ID=6437188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92112215A Expired - Lifetime EP0525540B1 (fr) 1991-07-27 1992-07-17 Chemise de cylindre pour un moteur à combustion interne

Country Status (4)

Country Link
EP (1) EP0525540B1 (fr)
JP (1) JP2962621B2 (fr)
DE (1) DE59201079D1 (fr)
FI (1) FI101816B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9581103B1 (en) 2014-01-28 2017-02-28 ZYNP International Corp. Cylinder liner and method of forming the same

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9204244A (pt) * 1992-10-26 1994-05-03 Cofap Ferro fundido cinzento
DE4438073A1 (de) * 1994-10-25 1996-05-02 Man B & W Diesel Ag Zylinderlaufbuchse für eine Brennkraftmaschine
JP3779370B2 (ja) * 1996-02-28 2006-05-24 株式会社リケン 鋳鉄及びピストンリング
EP0872567A1 (fr) * 1997-04-16 1998-10-21 Wärtsilä NSD Schweiz AG Fonte et chemise de cylindre fabriqué à partir de cette fonte
DE10129382A1 (de) * 2001-06-20 2003-01-02 Fischer Georg Fahrzeugtech Sphärogusslegierung
DE102004056331A1 (de) 2004-11-22 2006-05-24 Georg Fischer Fahrzeugtechnik Ag Sphärogusslegierung und Verfahren zur Herstellung von Gussteilen aus der Sphärogusslegierung
DE102007041519A1 (de) 2007-08-31 2009-03-05 Mahle International Gmbh Zylinderlaufbuchse und Verfahren zu ihrer Herstellung
EP2392812A1 (fr) 2010-06-01 2011-12-07 Wärtsilä Schweiz AG Moteur à combustion interne à piston élévateur peu sensible à l'usure
KR101677169B1 (ko) * 2016-03-09 2016-11-17 삼영기계 (주) 내마모성을 향상시킨 피스톤 링
KR101790051B1 (ko) 2016-03-09 2017-10-30 삼영기계(주) 피스톤 링 제조용 구상화 흑연 주철합금
US9873928B2 (en) * 2016-03-15 2018-01-23 Federal-Mogul High strength cast iron for cylinder liners

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2146153C3 (de) * 1971-09-15 1974-05-30 Ramsey Corp., Manchester, Mo. (V.St.A.) Zylinderlaufbuchse für einen Verbrennungsmotor
JPS5713143A (en) * 1980-06-30 1982-01-23 Riken Corp Tough spheroidal graphite cast iron with superior wear resistance
JPH0313298A (ja) * 1989-06-09 1991-01-22 Tohoku Rubber Kk 粉体成形用ゴム型

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9581103B1 (en) 2014-01-28 2017-02-28 ZYNP International Corp. Cylinder liner and method of forming the same
US10107227B2 (en) 2014-01-28 2018-10-23 ZYNP International Corp. Method of forming a cylinder liner

Also Published As

Publication number Publication date
FI923174A0 (fi) 1992-07-09
FI101816B (fi) 1998-08-31
FI101816B1 (fi) 1998-08-31
JP2962621B2 (ja) 1999-10-12
EP0525540A1 (fr) 1993-02-03
DE59201079D1 (de) 1995-02-09
JPH05214482A (ja) 1993-08-24
FI923174A (fi) 1993-01-28

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