EP2844409A1 - VERFAHREN ZUM GIEßEN EINES MIT MINDESTENS EINER DURCHGANGSÖFFNUNG VERSEHENEN GUSSTEILS - Google Patents
VERFAHREN ZUM GIEßEN EINES MIT MINDESTENS EINER DURCHGANGSÖFFNUNG VERSEHENEN GUSSTEILSInfo
- Publication number
- EP2844409A1 EP2844409A1 EP13719081.5A EP13719081A EP2844409A1 EP 2844409 A1 EP2844409 A1 EP 2844409A1 EP 13719081 A EP13719081 A EP 13719081A EP 2844409 A1 EP2844409 A1 EP 2844409A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- casting
- mold
- cooling
- temperature
- passage opening
- 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
Links
Classifications
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/08—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sprinkling, cooling, or drying
- B22C5/085—Cooling or drying the sand together with the castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- 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
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/001—Removing cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/001—Removing cores
- B22D29/003—Removing cores using heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D30/00—Cooling castings, not restricted to casting processes covered by a single main group
Definitions
- the invention relates to a method for casting a casting, which is provided with at least one passage opening, from a molten metal.
- the castings discussed here are typically
- Cylinder crankcases for high performance combustion engines cast from cast iron.
- Cylinder crankcases today are sometimes replaced by conventional gray cast iron with vermicular graphite cast iron or higher alloyed cast iron materials are used to the
- the castings of the type described above are usually poured into molds, which are composed of several moldings and casting cores. While the moldings typically dictate the outer shape of the casting, the casting cores become the casting mold
- the moldings and cores are as permanent moldings and
- Permanent casting cores or designed as lost moldings and casting cores. While permanent moldings and cores are made of materials that withstand the loads occurring during casting, and therefore can be used repeatedly for a variety of casting operations, lost moldings and cores usually consist of molded materials by force or
- Temperature effect can be easily destroyed. Is a mold completely or at least substantially from lost moldings and
- the molding materials that make up the lost moldings and cores are sands mixed with a suitable binder which, upon production of the respective moldings or cores, are solidified by a chemical reaction to the point of solidification into the mold cast melt have a sufficient shape retention.
- the constituents of the molding material can be coordinated with each other so that the respective casting core or the respective molded part breaks automatically during the cooling of the casting as a result of the stresses occurring in the process.
- the disintegration of the lost moldings and casting cores can be effected by the application of mechanically acting forces.
- cores can be destroyed by shaking the respective casting to such a small parts that their molding material trickles out of the casting automatically, or the destruction of the cores is accelerated by drilling, expressions or rinsing.
- the prerequisite for this, however, is in each case that the casting is substantially completely cooled, so that in the mechanical or thermal destruction of the lost foundry cores and moldings occurring
- the process of cooling the casting has
- the casting plants used in practice are equipped with cooling sections of a certain length, these cooling sections may additionally include so-called "cooling stations", where the molds with the cooling in them
- Castings can linger over a certain period of time to further delay the cooling. If no means are available to guarantee a sufficiently slow cooling, or if even after such a slow cooling there are still too high residual stresses on the casting, the castings must undergo an additional cooling
- Annealing are subjected to reduce the voltages in question.
- Cylinder openings can be made so that the cylinder crankcase can be formed at a time to which it is solidified, but still has a high temperature. Another possibility of a targeted accelerated cooling of casting areas, which are arranged in the interior of the respective component is in the
- Production of a casting made of an aluminum alloy comprises a section formed by means of a
- Solvent especially water, soluble binder is prepared, and another section, which is prepared by means of a binder which can not be solved with the solvent in question.
- Solvent so for example by application of a jet of water to eliminate so that the action of the solvent exposed inner portions of the casting cool faster than the rest of the
- Piston pin holes for molding these holes provided quills withdrawn and cooled the area of the respective bore by a coolant which is supplied through at least one of the sleeves.
- the object of the invention to provide a method which allows it with little equipment expense für spasöff having
- the method according to the invention for casting a casting of molten metal provided with at least one passage opening accordingly comprises the following
- Minimum temperature is up to that of accelerated cooling to form
- Passage channels of the respective through hole forming casting core and arranged in its extension regions of the mold are at least partially destroyed mechanically, e) cooling the casting in the mold below
- the invention is based on the idea, already during the following on the casting of the molten metal
- a casting through the mold through which at least one
- Cooling medium by the way, like the
- Cooling rates can be achieved, which are higher than the cooling rates, which are achieved on the outside of the mold in accordance with the invention introduced into the mold and guided guided.
- the inventive method can thus provide
- Cooling rate of the casting are generally increased. In this way, on the one hand thermally induced
- Tensions in the casting are reduced to a minimum.
- the process according to the invention proves to be particularly effective in the production of castings from a cast iron melt.
- the process according to the invention proves to be particularly effective in the production of castings from a cast iron melt.
- step c) is maximally cooled (step c)), adjusted so that it is above the Ai temperature at which it comes to the transformation of the austenite.
- the cooling medium may be, for example, air or another gaseous medium.
- Main direction of the passageway is vertically aligned.
- the cooling medium can also be passed through the through-channel in a forced flow.
- a conveying device which may be, for example, a fan or a pump, be forced.
- the conveying device in question can be positioned, for example, in front of one of the outlets of the through-channel arranged on one of the outer side surfaces
- Passage channels are inserted into it.
- Cylinder crankcase for an internal combustion engine is and the passage opening at least one in the
- Cylinder crankcase provided cylinder opening is. In this case, for example, before the complete cooling of the casting, the respective
- Cylinder casings depicting casting cores completely as well as the casting core depicting the crankcase and the parts of the casting mold extending in the extension of the cylinder opening
- Cylinder opening can flow while the other parts of the casting are still surrounded by the mold.
- Passage opening is formed as a core package, whose moldings and casting cores, in the field of
- the casting mold according to the invention consists, at least in the region of the passage opening of the casting to be provided with the through-channel, of lost casting cores or moldings, the casting cores and moldings concerned are made of conventional molded materials which, as explained at the outset, usually consist of a sand of an organic or inorganic binder It will be appreciated that certain additives may be added to the molding material to enhance its properties
- the binder of the molding material can be designed in a conventional manner so that the shape retention of the moldings and cores
- Binder burns by the registered during the pouring of the molten metal into the mold heat in them.
- the affected casting cores and moldings automatically decay into small ones Pieces, which then also trickle automatically under exposure of the passageway from the mold or the casting.
- the economy of the method according to the invention can be further increased by the mold having at least two mold cavities for the simultaneous casting of at least two castings and the molten metal is passed through a common sprue in the mold cavities of the mold.
- FIG. 1 shows a device for casting two castings in longitudinal section.
- Fig. 2 shows the device of FIG. 1 during the
- Fig. 4 shows the device of FIG. 1 during the
- Fig. 5 shows the device of FIG. 1 during the
- Cast parts Z1, Z2 comprises a casting mold 2, which is supported on a frame 3.
- the castings Z1, Z2 are conventionally designed
- Cylinder crankcase which are each intended for the construction of each a row four-cylinder internal combustion engine.
- the casting mold 2 is composed of core moldings of outer moldings 4, 5, 6, 7 and casting cores 8 - 19 arranged in the interior of the casting mold 2. While the outer moldings 4 - 7, the outer shape of the pouring
- Castings Z1, Z2 determine, the casting cores 8.9 form the inner shape of the crankcase Kl, K2 with the
- the other casting cores 19 are used for example for the production of water or oil channels in the
- the mold 2 is so
- Through holes 01,02 are aligned in the vertical direction V.
- the mold cavities 20, 21 of the casting mold 2 bounded by the mold parts 4 - 7 and casting cores 8 - 19 when the mold 2 is not filled are not further shown here
- Gates connected to a common, centrally located in the mold 2 and vertically aligned gate 22.
- the central gate 22 is in turn connected to a likewise centrally formed at the top of the mold 2 sprue 23, via which the filling of the mold 2 with cast iron melt S takes place.
- the gate 22 and the other not shown here sections of the mold 2 are placed so that the filling of the mold cavities 20,21 against the
- the casting mold 2 sits on a grid 24 supported by supports 24 of the frame 3.
- the outer moldings 4, 5, 6, 7 and casting cores 8 - 19 are made of a commercially available, inorganic binder and molding a sand mixed molding material which is solidified by heat and moisture removal to the extent that it is sufficient for the maintenance of the mold 2 and the forces occurring during the casting process
- Cast iron melt S (FIG. 2) cools the cast parts Z 1, Z 2 to a temperature in the range of 850-650 ° C.
- Temperature of the castings Z1, Z2 is still so high that by an accelerated cooling hardened structure can be generated. Optimally, the temperature is so high that the structure of the castings Zl, Z2 still
- the through-openings 01, 02 of the castings Z1, Z2 are also separated by means of ejectors 26, 27, of which one of the through-openings 01, 02 of the castings Z1, Z2 is also already partially disintegrated to smaller fragments at this time
- Imaging casting cores 10 - 17 as well as in their imaginary Extension V1, V2 overlying portions of the cover of the mold 2 forming the outer mold part 4 and in their imaginary extension V1, V2 underlying, the crankcase K1, K2 with the
- the falling of the mold 2 down material M can be removed by a conveyor, not shown here.
- a nozzle device 28 is placed, via which a means a fan not shown here accelerated cooling medium flow Ml, M2 from below into vertical
- Direction R is blown into the mold 2 (Fig. 5).
- the cooling medium is air.
- the respective cooling medium flow M1, M2 flows through the passageways G1-G2 leading through the passage openings 01,02 of the castings Z1, Z2 and effects a
- crankshaft bearing L1, L2 and the crankshaft bearing Ll, L2 respectively supporting tie rods A1, A2 through
- fine-grained pearlite with at the same time fine grain structure, which has a higher strength, than the strength, which is achieved in castings, in a conventional manner in a
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL13719081T PL2844409T3 (pl) | 2012-05-03 | 2013-04-23 | Sposób odlewania części odlewanej zaopatrzonej w przynajmniej jeden otwór przelotowy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210103884 DE102012103884A1 (de) | 2012-05-03 | 2012-05-03 | Verfahren zum Gießen eines mit mindestens einer Durchgangsöffnung versehenen Gussteils |
PCT/EP2013/058396 WO2013164225A1 (de) | 2012-05-03 | 2013-04-23 | VERFAHREN ZUM GIEßEN EINES MIT MINDESTENS EINER DURCHGANGSÖFFNUNG VERSEHENEN GUSSTEILS |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2844409A1 true EP2844409A1 (de) | 2015-03-11 |
EP2844409B1 EP2844409B1 (de) | 2015-10-07 |
Family
ID=48190957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13719081.5A Active EP2844409B1 (de) | 2012-05-03 | 2013-04-23 | VERFAHREN ZUM GIEßEN EINES MIT MINDESTENS EINER DURCHGANGSÖFFNUNG VERSEHENEN GUSSTEILS |
Country Status (18)
Country | Link |
---|---|
US (1) | US9272328B2 (de) |
EP (1) | EP2844409B1 (de) |
JP (1) | JP5857360B2 (de) |
KR (1) | KR101615709B1 (de) |
CN (1) | CN104302423B (de) |
BR (1) | BR112014026332B1 (de) |
CA (1) | CA2872082C (de) |
DE (1) | DE102012103884A1 (de) |
DK (1) | DK2844409T3 (de) |
ES (1) | ES2557031T3 (de) |
HU (1) | HUE027061T2 (de) |
IN (1) | IN2014DN07844A (de) |
MX (1) | MX362898B (de) |
PL (1) | PL2844409T3 (de) |
PT (1) | PT2844409E (de) |
RU (1) | RU2584842C1 (de) |
WO (1) | WO2013164225A1 (de) |
ZA (1) | ZA201406842B (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015114659A2 (en) * | 2014-01-22 | 2015-08-06 | 3D Foundry Tech Pvt. Ltd. | A system and method for design analysis for metal casting design |
DE102014110826A1 (de) * | 2014-07-30 | 2016-02-04 | Fritz Winter Eisengiesserei Gmbh & Co. Kg | Verfahren zum Gießen von Gussteilen |
US10434566B2 (en) * | 2016-03-18 | 2019-10-08 | Honda Motor Co., Ltd. | Casting device |
WO2017160303A1 (en) | 2016-03-18 | 2017-09-21 | Siemens Aktiengesellschaft | Method of manufacturing advanced features in a core for casting |
DE102017100805A1 (de) * | 2017-01-17 | 2018-07-19 | Nemak, S.A.B. De C.V. | Gießform zum Gießen von komplex geformten Gussteilen und Verwendung einer solchen Gießform |
CN107309401A (zh) * | 2017-08-01 | 2017-11-03 | 安徽安庆市沙氏汽车配件有限公司 | 一种用于汽车平衡块的成型装置 |
CN107755644A (zh) * | 2017-10-19 | 2018-03-06 | 南阳飞龙汽车零部件有限公司 | 一种铸造砂型型腔表面硬化处理装置及其制备方法 |
RU181962U1 (ru) * | 2017-12-15 | 2018-07-30 | Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" | Устройство для получения лигатурных слитков методом наклонного литья |
EP3725900A1 (de) | 2019-04-17 | 2020-10-21 | Mubea Performance Wheels GmbH | Bauteil und verfahren und vorrichtung zum abschrecken eines bauteils |
CN116274869A (zh) * | 2022-12-30 | 2023-06-23 | 哈尔滨工业大学 | 一种铝合金熔模铸造装置及使用该装置的铸造方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3118928A1 (de) | 1981-05-13 | 1982-12-02 | Thyssen Industrie Ag, 4300 Essen | Verfahren und vorrichtung zur herstellung von dickwandigen, hohlen gussstuecken |
JPS59179263A (ja) | 1983-03-30 | 1984-10-11 | Komatsu Ltd | 鋳鉄の局部的硬化法 |
JPS6114068A (ja) * | 1984-06-28 | 1986-01-22 | Mazda Motor Corp | 球状黒鉛鋳鉄鋳物の鋳造方法 |
SU1544526A1 (ru) * | 1987-11-02 | 1990-02-23 | Ржевский Завод Автотракторного Электрооборудования | Охлаждаемый стержень дл металлической формы |
JPH03138068A (ja) * | 1989-10-25 | 1991-06-12 | Mazda Motor Corp | 鋳鉄製シリンダブロックの製造方法 |
DE59207731D1 (de) | 1992-09-28 | 1997-01-30 | Hmt Ag | Gerät zum Erzeugen von Stosswellen für die berührungsfreie Zerstörung von Konkrementen in Körpern von Lebewesen |
JPH07164131A (ja) | 1993-12-14 | 1995-06-27 | Mazda Motor Corp | 球状黒鉛鋳鉄部材の製造方法およびその装置 |
DE19530254A1 (de) * | 1995-08-17 | 1997-02-20 | Gerhard Dr Ing Betz | Verfahren zur Erzeugung von Hohlräumen in Gußteilen und Form (Teil II) |
CN1069855C (zh) | 1999-01-18 | 2001-08-22 | 成都汽车配件总厂郫县特种铸造研究所 | 汽车发动机曲轴箱体的铸造工艺 |
NO310980B1 (no) | 2000-01-31 | 2001-09-24 | Elkem Materials | Fremgangsmate for kornforfining av stal, kornforfiningslegering for stal og fremgangsmate for fremstillingav kornforfiningslegering |
DE10211053A1 (de) | 2002-03-13 | 2003-10-09 | Vaw Ver Aluminium Werke Ag | Verfahren zum Gießen von Zylinderkurbelgehäusen und Kernpaket für das Gießen von Zylinderkurbelgehäusen, Kernkasten und Kernpaket |
US20060207742A1 (en) * | 2005-03-16 | 2006-09-21 | Oscar Garza-Ondarza | Method and apparatus for improved heat extraction from aluminum castings for directional solidification |
DE102008048761B4 (de) | 2008-09-24 | 2019-03-28 | Volkswagen Ag | Verfahren zum Gießen eines Gusskörpers, insbesondere Zylinderkurbelgehäuses und Gießvorrichtung zur Durchführung des Verfahrens |
DE102010003346A1 (de) * | 2010-03-26 | 2011-09-29 | Federal-Mogul Nürnberg GmbH | Verfahren und Vorrichtung zum Gießen eines Kolbens für einen Verbrennungsmotor |
-
2012
- 2012-05-03 DE DE201210103884 patent/DE102012103884A1/de not_active Withdrawn
-
2013
- 2013-04-23 CN CN201380023181.3A patent/CN104302423B/zh active Active
- 2013-04-23 PL PL13719081T patent/PL2844409T3/pl unknown
- 2013-04-23 WO PCT/EP2013/058396 patent/WO2013164225A1/de active Application Filing
- 2013-04-23 US US14/397,997 patent/US9272328B2/en active Active
- 2013-04-23 KR KR1020147031569A patent/KR101615709B1/ko active IP Right Grant
- 2013-04-23 PT PT137190815T patent/PT2844409E/pt unknown
- 2013-04-23 JP JP2015509370A patent/JP5857360B2/ja active Active
- 2013-04-23 CA CA2872082A patent/CA2872082C/en not_active Expired - Fee Related
- 2013-04-23 MX MX2014012714A patent/MX362898B/es active IP Right Grant
- 2013-04-23 RU RU2014148594/02A patent/RU2584842C1/ru active
- 2013-04-23 BR BR112014026332-9A patent/BR112014026332B1/pt active IP Right Grant
- 2013-04-23 EP EP13719081.5A patent/EP2844409B1/de active Active
- 2013-04-23 HU HUE13719081A patent/HUE027061T2/en unknown
- 2013-04-23 ES ES13719081.5T patent/ES2557031T3/es active Active
- 2013-04-23 DK DK13719081.5T patent/DK2844409T3/en active
-
2014
- 2014-09-18 ZA ZA2014/06842A patent/ZA201406842B/en unknown
- 2014-09-19 IN IN7844DEN2014 patent/IN2014DN07844A/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2013164225A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2872082A1 (en) | 2013-11-07 |
KR101615709B1 (ko) | 2016-04-27 |
PT2844409E (pt) | 2016-01-22 |
KR20140139133A (ko) | 2014-12-04 |
CN104302423B (zh) | 2017-03-08 |
MX362898B (es) | 2019-02-25 |
RU2584842C1 (ru) | 2016-05-20 |
CA2872082C (en) | 2016-07-12 |
EP2844409B1 (de) | 2015-10-07 |
IN2014DN07844A (de) | 2015-04-24 |
ES2557031T3 (es) | 2016-01-21 |
US9272328B2 (en) | 2016-03-01 |
JP5857360B2 (ja) | 2016-02-10 |
PL2844409T3 (pl) | 2016-06-30 |
BR112014026332A2 (pt) | 2017-06-27 |
HUE027061T2 (en) | 2016-08-29 |
BR112014026332B1 (pt) | 2019-10-08 |
US20150122447A1 (en) | 2015-05-07 |
DE102012103884A1 (de) | 2013-11-07 |
ZA201406842B (en) | 2015-12-23 |
MX2014012714A (es) | 2015-04-08 |
DK2844409T3 (en) | 2016-01-18 |
WO2013164225A1 (de) | 2013-11-07 |
CN104302423A (zh) | 2015-01-21 |
JP2015515926A (ja) | 2015-06-04 |
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