EP0504605B1 - Cylindre à combustion interne, méthode et dispositif - Google Patents

Cylindre à combustion interne, méthode et dispositif Download PDF

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Publication number
EP0504605B1
EP0504605B1 EP92102799A EP92102799A EP0504605B1 EP 0504605 B1 EP0504605 B1 EP 0504605B1 EP 92102799 A EP92102799 A EP 92102799A EP 92102799 A EP92102799 A EP 92102799A EP 0504605 B1 EP0504605 B1 EP 0504605B1
Authority
EP
European Patent Office
Prior art keywords
mould
steel ring
process according
cast iron
grey cast
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
EP92102799A
Other languages
German (de)
English (en)
Other versions
EP0504605A1 (fr
Inventor
Rudolf Rupprecht
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
Publication of EP0504605A1 publication Critical patent/EP0504605A1/fr
Application granted granted Critical
Publication of EP0504605B1 publication Critical patent/EP0504605B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/08—Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal

Definitions

  • the invention relates to a method for producing a cylinder of an internal combustion engine and an apparatus for performing this method.
  • the invention has for its object to find a method and an apparatus for manufacturing a cylinder that avoid the disadvantage of long cooling time and can precisely represent the connection between steel and cast iron with little effort.
  • the single figure shows a schematic sectional illustration of a molding box 1 and therein an outer mold 2 made for vertical casting from mineral molding material.
  • An associated core 3 is fastened centrally in the interior of the outer mold 2.
  • the space between the core 3 and the outer mold 2, which is a casting mold 4, is dimensioned such that a steel ring 5 to be provided on its inner surface with a gray cast iron running layer and an induction coil 6 surrounding the steel ring 5 can be arranged concentrically with the core 3 to be introduced later.
  • the induction coil 6 is fixed in the outer mold 2 with refractory concrete in such a way that a cavity 7 remains between the inner surface of the steel ring 5 and the outer surface of the core 3, which serves as a lower section of the mold 4 for receiving the iron forming the gray cast iron layer.
  • a cavity 8 lying above the steel ring 5 forms the upper portion of the casting mold 4, the remaining cylindrical sleeve outer shape.
  • the mold 4 is filled with protective gas, for example with argon.
  • tubular electrical feed lines 9 of the induction coil 6 as well as the induction coil 6, which is also made from tube cross sections, run in the molded material of the outer mold 2.
  • the surface section of the core 3 opposite the steel ring 5 is provided with fireclay plates 10 for protection against the heat radiation.
  • the steel ring 5 is heated in the mold 4 by means of the induction coil 6 to white heat.
  • the casting mold 4 is filled with liquid gray cast iron via pouring channels 11, the latter entering into a fusion welded connection with the incandescent steel ring 5.
  • the composite blank After the composite blank has cooled, it is removed from the casting mold 4, destroying it, and fed to further processing.
  • the preheating of the steel ring 5 can also be carried out in another way, for example by introducing a flame gas behind the steel ring 5 or according to the principle of resistance heating.
  • the steel ring 5 can be provided on the inner surface with a protective layer of nickel, tin or other suitable materials before it is introduced into the casting mold 4 in order to ensure additional protection against oxidation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Claims (9)

  1. Procédé pour fabriquer un cylindre d'un moteur à combustion interne au moyen d'un moule de coulée (4) constitué par un moule extérieur (2) et un noyau (3) en un matériau minéral, comprenant les étapes consistant à :
    mettre en place une source de chaleur (6) agissant dans le moule (4) pour chauffer une bague en acier (5) devant être insérée dans le moule (4) et devant être réunie à de la fonte;
    introduire la bague d'acier (5) devant être réunie à la fonte, dans le moule (4);
    introduire le noyau (3) dans le moule extérieur (2);
    fermer le moule (4);
    remplir le moule (4) avec un gaz protecteur;
    chauffer la bague d'acier (5) dans le moule fermé (4) jusqu'à incandescence;
    couler la fonte liquide en formant une douille en fonte, et refroidir la bague en acier (5) réunie par fusion à la chemise en fonte.
  2. Procédé selon la revendication 1, caractérisé en ce que le chauffage de la bague en acier (5) est réalisé à l'aide d'une bobine d'induction (6).
  3. Procédé selon la revendication 1, caractérisé en ce que le chauffage de la bague en acier (5) est réalisé à l'aide d'un gaz flambant.
  4. Procédé selon la revendication 1, caractérisé en ce que le chauffage de la bague en acier (5) s'effectue selon le principe du chauffage par résistance.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'on applique une couche de protection contre l'oxydation sur la surface intérieure de la bague en acier (5) avant son insertion dans le moule (4).
  6. Procédé selon la revendication 5, caractérisé en ce qu'on dépose une couche de nickel comme couche de protection contre l'oxydation.
  7. Procédé selon la revendication 5, caractérisé en ce qu'on dépose une couche d'étain comme couche de protection contre l'oxydation.
  8. Procédé selon l'une des revendications 1 à 7, caractérisé en ce qu'on utilise de l'argon comme gaz protecteur.
  9. Dispositif pour la mise en oeuvre du procédé selon la revendication 1, comportant un moule (4) qui est constitué par un moule extérieur (2) et un noyau (3) en matériau minéral, et dans lequel une source de chaleur (6) est disposée dans le moule (4) et une bague en acier (5) devant être reliée à de la fonte est insérée et peut être chauffée jusqu'à incandescence au moyen de la source de chaleur (6) et que le moule (4) est rempli par un gaz protecteur de sorte que ce moule peut être chauffé sans endommagement avant la coulée.
EP92102799A 1991-03-21 1992-02-20 Cylindre à combustion interne, méthode et dispositif Expired - Lifetime EP0504605B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4109308A DE4109308C1 (fr) 1991-03-21 1991-03-21
DE4109308 1991-03-21

Publications (2)

Publication Number Publication Date
EP0504605A1 EP0504605A1 (fr) 1992-09-23
EP0504605B1 true EP0504605B1 (fr) 1996-06-12

Family

ID=6427895

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92102799A Expired - Lifetime EP0504605B1 (fr) 1991-03-21 1992-02-20 Cylindre à combustion interne, méthode et dispositif

Country Status (4)

Country Link
EP (1) EP0504605B1 (fr)
JP (1) JP3023031B2 (fr)
DE (2) DE4109308C1 (fr)
FI (1) FI97957C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4207607C1 (fr) * 1992-03-10 1993-09-23 Otto Junker Gmbh, 52152 Simmerath, De
DE19958185A1 (de) * 1999-12-02 2001-06-07 Mahle Ventiltrieb Gmbh Verlorene Form zur Herstellung einer Zylinderlaufbuchse
WO2017126169A1 (fr) 2016-01-19 2017-07-27 株式会社パイオラックス Dispositif amortisseur

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE347300C (de) * 1922-01-19 M A N Lastwagenwerke Befestigung der Laufbuechse in den Zylindern von Verbrennungskraftmaschinen
DE760193C (de) * 1940-02-06 1953-06-15 Bayerische Motoren Werke Ag Verfahren zur Herstellung von aus Stahl und Leichtmetall zusammengesetzten Koerpern
DE748062C (de) * 1940-11-15 1944-10-25 Vorrichtung zum Herstellen von Verbundgusskoerpern durch Schleudern
DE1426111A1 (de) * 1961-07-01 1968-12-12 Maschf Augsburg Nuernberg Ag Luftgekuehlter Zylinder fuer Brennkraftmaschinen
US3279006A (en) * 1963-12-30 1966-10-18 Martin Metals Company Method of preparing composite castings
US3342564A (en) * 1965-01-22 1967-09-19 Martin Metals Company Composite castings
US3551188A (en) * 1967-12-07 1970-12-29 United States Steel Corp Method of lining cylinders
DE2408500B2 (de) * 1974-02-22 1977-09-15 Karl Schmidt Gmbh, 7107 Neckarsulm Verfahren zur herstellung von aus gusseisen mit kugelgraphit bestehenden bauteilen
DD256790A3 (de) * 1978-02-03 1988-05-25 Vniieto Verfahren zur herstellung bimetallischer erzeugnisse
DD272617A1 (de) * 1988-05-30 1989-10-18 Maw Stahlgiesserei Wilhelm Pie Verfahren zum huellgiessen eines verbundkoerpers

Also Published As

Publication number Publication date
EP0504605A1 (fr) 1992-09-23
DE4109308C1 (fr) 1992-01-16
JPH0596359A (ja) 1993-04-20
FI920907A (fi) 1992-09-22
DE59206520D1 (de) 1996-07-18
FI97957C (fi) 1997-03-25
JP3023031B2 (ja) 2000-03-21
FI97957B (fi) 1996-12-13
FI920907A0 (fi) 1992-02-28

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