EP1218130B1 - Giessform zur herstellung eines kastenkolbens - Google Patents

Giessform zur herstellung eines kastenkolbens Download PDF

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Publication number
EP1218130B1
EP1218130B1 EP00930985A EP00930985A EP1218130B1 EP 1218130 B1 EP1218130 B1 EP 1218130B1 EP 00930985 A EP00930985 A EP 00930985A EP 00930985 A EP00930985 A EP 00930985A EP 1218130 B1 EP1218130 B1 EP 1218130B1
Authority
EP
European Patent Office
Prior art keywords
piston
mould
pivotable
producing
core
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
EP00930985A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1218130A2 (de
Inventor
Peter Tilch
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.)
Mahle GmbH
Original Assignee
Mahle 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 Mahle GmbH filed Critical Mahle GmbH
Publication of EP1218130A2 publication Critical patent/EP1218130A2/de
Application granted granted Critical
Publication of EP1218130B1 publication Critical patent/EP1218130B1/de
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
    • F02F3/00—Pistons 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D15/00—Casting using a mould or core of which a part significant to the process is of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor
    • B22D15/02—Casting using a mould or core of which a part significant to the process is of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor of cylinders, pistons, bearing shells or like thin-walled objects
    • 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
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49249—Piston making

Definitions

  • the invention relates to a casting mold for producing a box piston according to the preamble of claim 1.
  • Such a piston is known from the US 5,058,489 ,
  • the production is usually carried out by casting an aluminum alloy in a metal mold.
  • the recess or Hochg facedung between hub support and ring band (see Fig. 2 of the document) is produced by linearly displaceable core parts. Due to the purely linear displacement of the core, the shape of the recesses and thus the possible weight reduction of the piston limits.
  • a mold for producing a piston for an internal combustion engine from the EP 0 605 910 A1 discloses a mold for the production of a piston, in which a pivotable core is used describes. Cavities at the lower part of the piston are formed by linearly displaceable cores and through these linearly displaceable cores pinholes are in turn pushed linearly therethrough. The sleeve must therefore not be moved to open the mold, only for molding the finished piston.
  • the invention is therefore concerned with the problem of allowing a variable shape of the recesses by means of a novel mold in box piston with recesses between the ring band and hub support and, if necessary. to create certain shape features in the box wall in a simple way.
  • the casting core producing the recess may be integral with the window insert of the casting mold, the casting core may be connectable to the window insert, or the window insert and the casting core generating the recess are pivotable independently of each other or window insert is only linearly displaceable.
  • window insert is understood to mean that part of the mold which shapes the piston, in particular in the area of the outwardly pointing box walls and the adjacent hubs.
  • a suiting slope or a tightening angle dependent on the point of rotation of the casting core must be provided for the smooth formation of the casting, the position of which varies in contrast to the known casting cores and whose size can also be locally different.
  • the sleeves 2 are first drawn during the forming, which produce openings 3 in the region of the bolt eye. Only after the quill 2 is completely pulled out of the pivotable window part 4, this can be folded laterally by pivoting about the pivot point 5 and formed. Subsequently, the mold, not shown, can be ascended.
  • the casting cores 6 for producing the recesses 7 are an integral part of the pivotable window or Kokillenmaschine 4 and integrally connected thereto.
  • pivotable window parts 4 it is also possible with the pivotable window parts 4 to produce radii of curvature at openings 8 by means of corresponding contours 9 on the window part 4. Furthermore, it is possible with the pivoting window parts 4, at the lower end of the box wall to produce a reinforcing collar 10 by corresponding contours 11 of the pivotal window part 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Mounting Of Bearings Or Others (AREA)
EP00930985A 1999-05-19 2000-03-21 Giessform zur herstellung eines kastenkolbens Expired - Lifetime EP1218130B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19922809 1999-05-19
DE19922809A DE19922809A1 (de) 1999-05-19 1999-05-19 Verfahren zur Herstellung eines Kastenkolbens
PCT/DE2000/000921 WO2000072116A2 (de) 1999-05-19 2000-03-21 Verfahren zur herstellung eines kastenkolbens

Publications (2)

Publication Number Publication Date
EP1218130A2 EP1218130A2 (de) 2002-07-03
EP1218130B1 true EP1218130B1 (de) 2007-07-11

Family

ID=7908416

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00930985A Expired - Lifetime EP1218130B1 (de) 1999-05-19 2000-03-21 Giessform zur herstellung eines kastenkolbens

Country Status (7)

Country Link
US (1) US6546993B1 (ja)
EP (1) EP1218130B1 (ja)
JP (1) JP4732595B2 (ja)
BR (1) BR0011270B1 (ja)
DE (2) DE19922809A1 (ja)
ES (1) ES2290036T3 (ja)
WO (1) WO2000072116A2 (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1348859B2 (en) 2002-03-25 2010-04-07 BRP-Powertrain GmbH & Co. KG Piston
US7401638B2 (en) * 2002-03-28 2008-07-22 Delta Electronics, Inc. Heat-dissipating device and its manufacturing process
DE10325917A1 (de) 2003-06-07 2005-03-31 Mahle Gmbh Kolben für einen Verbrennungsmotor und Gießverfahren zu dessen Herstellung
US7104183B2 (en) * 2004-07-07 2006-09-12 Karl Schmidt Unisia, Inc. One-piece steel piston
US20080128946A1 (en) * 2005-02-10 2008-06-05 Boye David J Mold assembly for lightweight pistons
US20070073674A1 (en) * 2005-09-26 2007-03-29 Bea Systems, Inc. System and method for providing federated events for content management systems
US7895937B2 (en) 2006-11-08 2011-03-01 Federal-Mogul World Wide, Inc. Piston having twisted skirt panels
RU2449856C2 (ru) * 2007-04-13 2012-05-10 Федерал-Могал Пауэртрейн, Инк. Узел литейной формы для отливки поршня и способ отливки поршня в нем
DE102008048497A1 (de) 2008-09-23 2010-04-08 Ks Kolbenschmidt Gmbh Verfahren zur Herstellung eines Kolbens einer Brennkraftmaschine mit einem mehrteiligen Schieber
DE102010064078A1 (de) * 2010-12-23 2012-06-28 Federal-Mogul Nürnberg GmbH Gießvorrichtung für einen Kolben für einen Verbrennungsmotor und Verfahren zum Öffnen und/oder Schließen einer Gießvorrichtung
CN104246192B (zh) 2012-03-12 2017-02-15 费德罗-莫格尔公司 发动机活塞
US8459332B1 (en) 2012-07-09 2013-06-11 Kevin M. O'Connor Piston outer panel mold and method of constructing a piston and forming an undercut cooling gallery of a piston therewith
KR101634788B1 (ko) * 2015-09-04 2016-06-30 동양피스톤 주식회사 피스톤 제조용 에코 금형 장치와 피스톤 제조용 금형 장치 및 피스톤 제조 방법
KR101615274B1 (ko) * 2015-09-04 2016-04-25 동양피스톤 주식회사 피스톤 제조용 에코 금형 장치와 피스톤 제조용 금형 장치 및 피스톤 제조 방법
SE543272C2 (en) 2019-03-06 2020-11-10 Husqvarna Ab Engine piston, engine, hand-held tool, and method of manufacturing an engine piston
DE102020106059A1 (de) 2020-03-06 2021-09-09 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Herstellen eines Gussbauteils sowie Gießstation

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1803301A (en) * 1929-07-12 1931-04-28 Permold Co Mold
GB1543911A (en) * 1975-05-20 1979-04-11 Ass Eng Ltd Pistons
JPH0613138B2 (ja) * 1985-04-26 1994-02-23 マツダ株式会社 ピストン用シエル鋳型
JP2548035B2 (ja) * 1989-06-07 1996-10-30 帝国ピストンリング株式会社 遠赤外線放射体
JPH0310057U (ja) * 1989-06-20 1991-01-30
JPH0739022B2 (ja) * 1991-04-30 1995-05-01 日信工業株式会社 シリンダ孔内壁に凹部を形成する方法及び凹部形成用中子
JP3173060B2 (ja) * 1991-09-30 2001-06-04 アイシン精機株式会社 内燃機関用ピストンの製造方法
GB2262073B (en) * 1991-11-29 1995-03-29 Alloy Wheels Int Ltd Methods and apparatus for manufacturing cast vehicle wheels
US5289866A (en) * 1992-12-28 1994-03-01 General Motors Corporation Piston mold
JPH07232237A (ja) * 1994-02-25 1995-09-05 Unisia Jecs Corp ピストン用金型
GB9605838D0 (en) * 1996-03-20 1996-05-22 Perkins Ltd A method for producing a piston for an internal combustion engine and a piston produced by the method
JP3189684B2 (ja) * 1996-06-04 2001-07-16 トヨタ自動車株式会社 ピストンの鋳造方法
JP3622445B2 (ja) * 1997-09-29 2005-02-23 日産自動車株式会社 直噴式内燃機関のシリンダヘッド製造方法
DE19746102A1 (de) * 1997-10-17 1999-04-22 Grohe Kg Hans Verfahren zum Herstellen eines Armaturenkörpers und Armaturenkörper

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE19922809A1 (de) 2000-11-23
ES2290036T3 (es) 2008-02-16
WO2000072116A2 (de) 2000-11-30
JP2003522313A (ja) 2003-07-22
BR0011270A (pt) 2003-07-15
WO2000072116A3 (de) 2002-04-25
US6546993B1 (en) 2003-04-15
JP4732595B2 (ja) 2011-07-27
BR0011270B1 (pt) 2014-05-27
EP1218130A2 (de) 2002-07-03
DE50014483D1 (de) 2007-08-23

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