EP2636468A2 - Dispositif de fabrication d'un bloc moteur - Google Patents

Dispositif de fabrication d'un bloc moteur Download PDF

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Publication number
EP2636468A2
EP2636468A2 EP13152983.6A EP13152983A EP2636468A2 EP 2636468 A2 EP2636468 A2 EP 2636468A2 EP 13152983 A EP13152983 A EP 13152983A EP 2636468 A2 EP2636468 A2 EP 2636468A2
Authority
EP
European Patent Office
Prior art keywords
cylinder crankcase
web
producing
cylinder
mold
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.)
Granted
Application number
EP13152983.6A
Other languages
German (de)
English (en)
Other versions
EP2636468B1 (fr
EP2636468A3 (fr
Inventor
Stephan Beer
Steffen Ziegler
Christian Klimesch
Ludger Urhahn
Helge Woelbing
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.)
KS Huayu Alutech GmbH
Original Assignee
KS Aluminium Technologie 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47683558&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2636468(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by KS Aluminium Technologie GmbH filed Critical KS Aluminium Technologie GmbH
Publication of EP2636468A2 publication Critical patent/EP2636468A2/fr
Publication of EP2636468A3 publication Critical patent/EP2636468A3/fr
Application granted granted Critical
Publication of EP2636468B1 publication Critical patent/EP2636468B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B22D19/0009—Cylinders, pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores
    • B22C9/103—Multipart cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • 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
    • F02F1/10—Cylinders; Cylinder heads  having cooling means for liquid cooling
    • F02F1/108—Siamese-type cylinders, i.e. cylinders cast together

Definitions

  • the invention relates to a device for producing a cylinder crankcase with a mold having a plurality of moldings, at least one water jacket core, which is arranged on both longitudinal sides of one or more mold lines forming a cylinder row and at least one web core, which is arranged between the molded parts forming the individual cylinders of a cylinder row ,
  • the cylinder crankcase is manufactured independently of the choice of the cylinder assembly to reduce weight and space with very small distances between the cylinders of a cylinder bank. Nevertheless, both a sufficient strength of the cylinder bounding side walls must be ensured as well as a sufficient cooling of these land areas between the cylinders, otherwise a thermal overload is to be feared in highly loaded engines.
  • a disadvantage of the known embodiments is that these web cooling-creating cores are aligned only to other core parts, which in particular can cause errors when these channels are supplied from the cylinder head with cooling water.
  • the later cooling channel is in exact alignment with the walls of the cylinder crankcase. A summation of positional tolerances is excluded.
  • the at least one web core is positively secured to a molding of the mold.
  • the attachment can be made by simply plugging, whereby the cycle times are shortened compared to a non-positive connection.
  • the at least one web core projects from at least one surface of a cavity of the casting mold forming the cylinder crankcase, forming a cylinder top. Accordingly, there is the possibility of supplying the web cooling via the cylinder head in the finished cylinder crankcase, with connections to the water jacket of the cylinder can be omitted.
  • the at least one web core protrudes at two opposite sides of the cylinder forming molding from the sides of the cylinder deck forming surface of the cylinder crankcase forming cavity of the mold. This allows the web core on both sides be attached to the mold. Furthermore, both passages can be used for cooling water supply on the finished cylinder crankcase.
  • the at least one web core has two legs extending parallel to the cylinder axis, which extend into the web-forming cavity between the mold parts forming the cylinders. Accordingly, thin interfaces, as would arise in an oblique arrangement, avoided, which increases the strength of the finished cylinder crankcase.
  • the arranged in the cavity of the mold part of the web core is substantially U-shaped, wherein the two legs protrude beyond the cylinder crankcase forming cavity of the mold.
  • arms extending from the legs above the cavity of the mold to both sides extend in opposite directions to the mold members forming the cylinders which rest on a mold member of the mold. Accordingly, the arms can be fixed to the mold outside the areas where the cores are to be arranged.
  • At least one of the arms has a projection over which the web core engages positively in a correspondingly shaped recess of the casting mold.
  • its position is determined by simply inserting the web core into the mold.
  • an upper and a lower web cooling is produced with a web core.
  • the strength of the web remains sufficiently preserved by the arranged between the later channels connection.
  • the at least one web core made of sand, artificial sand, salt, glass, graphite or ceramic.
  • sand, artificial sand, salt, glass, graphite or ceramic are suitable, all of which are compatible with the corresponding arrangement
  • a plurality of web cores are arranged one behind the other and connected to each other by a frame, whereby the web cores can be inserted together, which shortens the set-up time for casting.
  • the frame consists of two struts which extend parallel to the longitudinal sides of the cylinder crankcase forming cavity. This results in only a small effort in the production of the frame, which can also be made of different materials.
  • the at least one web core is arranged such that after casting by means of a bore, a connection between the cooling channel formed by the web core and the cooling channel formed by the water jacket core can be produced.
  • both the web cooling and the remaining cylinder cooling can be supplied via common inlets and outlets, for example via the cylinder head with cooling water, so that additional connections can be omitted.
  • an apparatus for manufacturing a cylinder crankcase which assures reliable positioning of the fin cooling to the cylinders, thereby reducing the expense of producing the respective ducts by optimizing the assembly and assembly of the cores.
  • the device according to the invention for producing a cylinder crankcase 10 comprises a casting mold 12 which has, for example, a lower part 14, two side parts 15 and an upper part 16 as molded parts forming the outer contours of the cylinder crankcase 10 and also mold parts 20 forming a plurality of cylinders 18 of the cylinder crankcase 10.
  • water jacket cores 22 are a series of several of the cylinder 18 forming moldings 20 is surrounded at a small distance at their opposite longitudinal sides 24 and the head and foot. These water jacket cores 22 are removed after casting the cylinder crankcase 10 from the casting, so that the resulting cavity forms a cooling channel of the cylinder 18.
  • web cores 28 are therefore proposed for the formation of cooling water channels in the web region, which are arranged in the casting mold 12 and aligned with the casting mold 12 or with one of the mold parts 14, 16 of the casting mold 12.
  • Such a web core 28 may be made of mineral sands, synthetic sand, salt, glass, ceramics or graphite.
  • the web core 28 shown in the figures has, in the region, which is arranged in the cylinder crankcase 10 forming cavity 30 of the mold 12, a U-shape with two parallel to the cylinder axis extending legs 32, 34 and a connection 36 between these legs 32, 34th on.
  • the legs 32, 34 protrude from the surface, which forms after casting a cylinder deck 38, so the surface of the cylinder crankcase 10, out of the cavity 30. Accordingly, the finished cast cylinder crankcase 10 at these positions openings, which make it possible to connect to the cooling water passage of a cylinder head, not shown.
  • the web core 28 at the connection 36 between the legs 32, 34 may have an opening 35. This opening is filled with material during casting, so that an upper connection 37 between the legs 32, 34 and a lower connection 39 between the legs 32, 34 extends. Accordingly, different areas of the web 26 can be cooled, without the strength of the webs 26 is reduced too much.
  • the upper part 16 has a recess 44 into which a projection 46 engages, which is formed on the end region 48 of the arm 40 of the web core 28.
  • the surrounding casting mold 12 has a correspondingly shaped section 52.
  • the web cores 28, as in FIG. 2 is shown connected to each other via a frame 54.
  • This frame 54 has two parallel to the longitudinal sides 24 of the cylinder crankcase 10 extending struts 56, 58 which are connected to the arms 40, 42 a plurality of longitudinally successively arranged web cores 28 or made in one piece with these and together with the web cores 28 in the mold 12 are inserted positively. In this way, a plurality of web cores 28 can be inserted together, whereby the set-up time of the mold 12 is shortened.
  • the web cores are removed depending on the selected material in a known manner from the cylinder crankcase. Subsequently, the cooling water channels of the cylinder 18 can be connected by simple holes with the web cooling water channels. However, two separate cooling water circuits can be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
EP13152983.6A 2012-03-06 2013-01-29 Dispositif de fabrication d'un bloc moteur Active EP2636468B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012101893.6A DE102012101893C5 (de) 2012-03-06 2012-03-06 Vorrichtung zur Herstellung eines Zylinderkurbelgehäuses

Publications (3)

Publication Number Publication Date
EP2636468A2 true EP2636468A2 (fr) 2013-09-11
EP2636468A3 EP2636468A3 (fr) 2018-01-03
EP2636468B1 EP2636468B1 (fr) 2021-06-23

Family

ID=47683558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13152983.6A Active EP2636468B1 (fr) 2012-03-06 2013-01-29 Dispositif de fabrication d'un bloc moteur

Country Status (2)

Country Link
EP (1) EP2636468B1 (fr)
DE (1) DE102012101893C5 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT520849A1 (de) * 2018-01-16 2019-08-15 Avl List Gmbh Verfahren zur fertigung eines zylinderblocks einer brennkraftmaschine
AT525313A1 (de) * 2018-01-16 2023-02-15 Avl List Gmbh Zylinderblock einer brennkraftmaschine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013101942B3 (de) * 2013-02-27 2014-07-31 Ks Aluminium-Technologie Gmbh Kühlmittelmantelkern sowie Verfahren zur Herstellung eines Kühlmittelmantelkerns
CN104325068A (zh) * 2014-10-30 2015-02-04 沈阳工业大学 一种采用铸造方式制备三角形孔的方法
DE102017213542A1 (de) * 2017-08-04 2019-02-07 Bayerische Motoren Werke Aktiengesellschaft Gießform sowie Verfahren zum Herstellen eines Kurbelgehäuses

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0197365A2 (fr) 1985-04-02 1986-10-15 Halbergerhütte GmbH Dispositif de moulage pour assurer le refroidissement des parois entre les cylindres voisins d'un bloc à cylindres et le bloc à cylindres obtenu par le procédé
DE3828093A1 (de) 1987-08-20 1989-03-02 Avl Verbrennungskraft Messtech Giesskern fuer den wassermantel eines zylinderblockes einer mehrzylinder-hubkolben-brennkraftmaschine
DE19832718A1 (de) 1998-07-21 2000-01-27 Vaw Alucast Gmbh Verfahren zum Erzeugen eines kleinen Hohlraumes in einem Gußstück
DE102005037384A1 (de) 2005-08-08 2007-02-22 Bayerische Motoren Werke Ag Brennkraftmaschine mit zumindest zwei Zylindern
DE102009033402A1 (de) 2009-07-15 2011-01-27 Lahnwerk Gmbh Formeinlage für einen Gießkern und/oder eine Gießform sowie Gießkern und/oder Gießform mit einer Formeinlage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5217059A (en) * 1992-01-16 1993-06-08 Cmi International Casting core and method for forming a water jacket chamber within a cast cylinder block
ES2241215T3 (es) * 1998-07-21 2005-10-16 Hydro Aluminium Alucast Gmbh Molde de fundicion y procedimiento de fundicion para la fabricacion de un bloque de motor.
US6298899B1 (en) * 1999-07-13 2001-10-09 Ford Global Tech., Inc. Water jacket core
DE10330520A1 (de) * 2003-03-01 2004-09-16 Ks Aluminium Technologie Ag Zylinderkurbelgehäuse mit vergossenem Kühlkanal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0197365A2 (fr) 1985-04-02 1986-10-15 Halbergerhütte GmbH Dispositif de moulage pour assurer le refroidissement des parois entre les cylindres voisins d'un bloc à cylindres et le bloc à cylindres obtenu par le procédé
DE3828093A1 (de) 1987-08-20 1989-03-02 Avl Verbrennungskraft Messtech Giesskern fuer den wassermantel eines zylinderblockes einer mehrzylinder-hubkolben-brennkraftmaschine
DE19832718A1 (de) 1998-07-21 2000-01-27 Vaw Alucast Gmbh Verfahren zum Erzeugen eines kleinen Hohlraumes in einem Gußstück
DE102005037384A1 (de) 2005-08-08 2007-02-22 Bayerische Motoren Werke Ag Brennkraftmaschine mit zumindest zwei Zylindern
DE102009033402A1 (de) 2009-07-15 2011-01-27 Lahnwerk Gmbh Formeinlage für einen Gießkern und/oder eine Gießform sowie Gießkern und/oder Gießform mit einer Formeinlage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT520849A1 (de) * 2018-01-16 2019-08-15 Avl List Gmbh Verfahren zur fertigung eines zylinderblocks einer brennkraftmaschine
AT525313A1 (de) * 2018-01-16 2023-02-15 Avl List Gmbh Zylinderblock einer brennkraftmaschine
AT520849B1 (de) * 2018-01-16 2023-04-15 Avl List Gmbh Verfahren zur fertigung eines zylinderblocks einer brennkraftmaschine
AT525313B1 (de) * 2018-01-16 2023-06-15 Avl List Gmbh Zylinderblock einer brennkraftmaschine

Also Published As

Publication number Publication date
EP2636468B1 (fr) 2021-06-23
DE102012101893C5 (de) 2022-06-23
DE102012101893B4 (de) 2016-03-31
EP2636468A3 (fr) 2018-01-03
DE102012101893A1 (de) 2013-09-12

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