CN104379278A - Metal cast component and method for producing a metal cast component - Google Patents
Metal cast component and method for producing a metal cast component Download PDFInfo
- Publication number
- CN104379278A CN104379278A CN201380031561.1A CN201380031561A CN104379278A CN 104379278 A CN104379278 A CN 104379278A CN 201380031561 A CN201380031561 A CN 201380031561A CN 104379278 A CN104379278 A CN 104379278A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000005266 casting Methods 0.000 claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 57
- 229910021326 iron aluminide Inorganic materials 0.000 claims abstract description 44
- UJXVAJQDLVNWPS-UHFFFAOYSA-N [Al].[Al].[Al].[Fe] Chemical compound [Al].[Al].[Al].[Fe] UJXVAJQDLVNWPS-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000002485 combustion reaction Methods 0.000 claims abstract description 33
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 22
- 238000005058 metal casting Methods 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims description 71
- 238000000034 method Methods 0.000 claims description 21
- 230000001737 promoting effect Effects 0.000 claims description 14
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 238000007751 thermal spraying Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims 2
- 229910000861 Mg alloy Inorganic materials 0.000 claims 1
- 238000009826 distribution Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 16
- 239000004411 aluminium Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 239000012809 cooling fluid Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 229910001092 metal group alloy Inorganic materials 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000951 Aluminide Inorganic materials 0.000 description 1
- 229910000632 Alusil Inorganic materials 0.000 description 1
- 229910001345 Magnesium aluminide Inorganic materials 0.000 description 1
- 229910000545 Nickel–aluminium alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000005068 cooling lubricant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- 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
- B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
-
- 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
- B22D19/009—Casting in, on, or around objects which form part of the product for casting objects the members of which can be separated afterwards
-
- 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
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
-
- 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
-
- 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
- F05C2201/00—Metals
- F05C2201/02—Light metals
- F05C2201/028—Magnesium
-
- 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
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0448—Steel
-
- 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
- F05C2201/00—Metals
- F05C2201/90—Alloys not otherwise provided for
- F05C2201/903—Aluminium alloy, e.g. AlCuMgPb F34,37
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention relates to a metal casting component (1), which is provided in particular as a component for internal combustion engines or piston compressors, such as pistons, transmission housings, crankcases, and other housings and/or cylinder heads, wherein the casting component (1) comprises at least in some regions iron aluminide and/or is a composite casting component having at least two segments (2,3) comprising cast iron and/or iron aluminide and/or light metal. The invention further relates to a method for producing a metallic cast component (1), in particular for components of internal combustion engines or piston compressors, such as pistons, transmission housings, crankcases and other housings and/or cylinder heads, comprising one or more cast materials, such as cast iron and/or iron aluminides and/or light metals, wherein a first section (2) of the cast component (1) is produced in a first casting process and a further section (3) of the cast component (1) is produced in a further casting process, and wherein a coating, in particular comprising iron aluminides and/or nickel alloys, is applied to the first section (2) as an adhesion-promoting layer before the further casting process.
Description
Technical field
The present invention relates to metal casting component, it is especially arranged for the parts of internal combustion engine or piston compressor, such as piston, cylinder head, case of transmission, crankcase and/or other housing.
In addition, the present invention relates to the method for the manufacture of metal casting component, this metal casting component is particularly useful for the parts of internal combustion engine or piston compressor, such as piston, cylinder head, case of transmission, crankcase and/or other housing, it comprises a kind of founding materials or multiple founding materials, such as cast iron and/or iron aluminide (Eisen-Aluminid) and/or light metal, wherein, in the first casting process, produce the first section of cast construction, and in the second casting process, produce the second section of cast construction.
Background technology
The method of the known type mentioned from document DE 10 2,005 015 186 A1.The described manufacture process of composite casting component is included in the casting process of at least two-stage in casting device, wherein, in the first method step, pouring piece (Eingussteil) is manufactured by the first material by casting in casting device, and in the second method step, complete casting composite casting component subsequently in the following manner, namely, in the second method step before terminating casting process by injection second material, be inserted into being with the core of the geometry changed in casting device by the one or more cores changed in the cooling period of the first material in the first method step.
In order to improve the connection of the material fit of two casting sections in composite casting component, the known adhesion promoting layer be applied on the section (pouring piece) first cast from printed document DE 100 02 440 A1, it comprises nickel-aluminium alloy and Ni-Ti alloy.Printed document EP 2 024 116 B1 gives with for the stable cylinder head comprising the supporting construction of the housing case of light metal.
The load of the cast construction of the internal combustion engine caused due to the combustion pressure that improves and the ignition temperature of raising and delivery temperature especially increases along with more and more subtracting undersized measure.There is such requirement simultaneously, that is, the weight of cast construction is kept little as far as possible.
Summary of the invention
Within this context, the object of the invention is to so enforcement and start the cast construction of type and the method for the manufacture of cast construction mentioned, that is, cast construction meets the requirement of raising.
This object utilizes the cast construction described in feature according to claim 1 to realize.Dependent claims relates to improvement project suitable especially of the present invention.
According to the present invention, be provided with two embodiments of cast construction.First embodiment relates to the cast construction only with iron aluminide.Second embodiment relates to such cast construction, and it is the composite casting component comprising at least two sections, and wherein, each in section has founding materialses different in density.Show, the cast construction comprising iron aluminide completely also meets the requirement improved.Iron aluminide especially has the performance similar to cast iron in heat resistance with intensity.But the density of iron aluminide is similar to the density of light metal (such as aluminium).Thus, the light and cast construction of Simultaneous Stabilization has been achieved according to the present invention.
Cast construction also can be composite component, and it comprises at least two sections, also claims into cast construction section.This section is made in succession.Preferably, one in section comprises more stable, that density is higher material (such as cast iron) and/or iron aluminide and/or light metal.Ideally, another section comprises lighter material, such as iron aluminide and/or light metal.By using iron aluminide or using the combination of stable material and light material to realize manufacturing the cast construction meeting requirements at the higher level.
The combination of founding materials cast iron and iron aluminide, aluminide and aluminium and aluminium and magnesium has turned out to be advantageous particularly.Mainly, these materials have similar thermal coefficient of expansion to reason, this reduce gap and are formed and natural stress.Another of founding materials cast iron and aluminium is preferably combined, although gap can be formed between the component of cool to room temperature, but this gap is no problem, because when heating cast construction, material with less density has larger thermal expansion, thus by this material hot charging to the section with less thermal expansion and thus closing gap.Other combination of materials is cast iron and magnesium or iron aluminide and aluminium or iron aluminide and magnesium.The alloy that mentioned material not only relates to pure material but also relates to based on respective material.
Section also can be called as casting area, and wherein, the section that the time comparatively early manufactures also claims into pouring piece.Pouring piece (it is arranged for and is arranged in another casting tool in the state of solidifying at least partly) is also called as insert (Einleger).In the cast construction comprising two sections, the first section (pouring piece or insert) not only by stable material but also can be made up of light material.Turn out to be practical especially aborning, the section first manufactured comprises stable material.Especially at intermediate support or when being incorporated in another casting tool, this section can more easily operate, because it is less sensitive.When using iron aluminide, use Fe
xal (especially Fe
3al) it is especially suitable to turn out to be.
Be arranged in one embodiment of the present invention, between the section of two vicinities, applying comprises the coating of iron aluminide and/or nickel alloy as adhesion promoting layer.Realize thus providing in processing cost saving potentiality significantly.By using iron aluminide, especially as adhesion promoting layer, simple Casting Equipment and simple foundry engieering can be used, because especially for light metal (such as aluminium), without the need for the institutional framework that destination adjustment is determined.In addition, also regenerative raw materials can be used, the aluminium such as again reclaimed.Also can cancel heat treatment process after the casting.Maximum 20mm is thick for coating, but is preferably thinner than 2mm and is obviously thinner than the cross section of section thus.Even if the feature of iron aluminide is also have high intensity in the event of high temperatures.Its relative to traditional steel in different media at the same time extraordinary corrosion resistance there is obviously very little density.Material iron aluminide is particularly suitable as the adhesion promoting layer between material iron and aluminium due to its chemical composition.
Another design of the present invention relates to cast construction, and wherein, one in section is associated with the combustion chamber of internal combustion engine or piston compressor and/or gas piping, and/or the combustion chamber of limit engine or piston compressor and/or gas piping.First section be such as combustion chamber limiting wall and comprise the combustion chamber for being vented at least one leave opening.Preferably, the section first made is insert, and it surrounds casting at least partly by least one second section.Because the section of the combustion chamber of limit engine or gas exhaust piping is subject to temperature compared with another section of cast construction and/or pressure loads higher, so the first section is preferably made up of the light metal alloy of steel, cast iron, iron aluminide or high strength.The section surrounding insert is also claimed into housing case.Housing case preferably comprises iron aluminide or light metal.
Design of the present invention also relates to such cast construction, and wherein, the first section is embodied as the support component of cast construction in geometry, compressive property and heat resistance.In the inside of the body of casting and/or this supporting construction at outside place provide additional stability, fatigue resistance and rigidity for another section be made up of the light material with less density.By also can improve the power coefficient of internal combustion engine by means of the strengthening of this local of the material partly applying high strength.Cast construction for cylinder head such as realizes the different passage of separately boot media by combination light metal aluminium and magnesium.Meanwhile, in order to shield the hot gas of combustion chamber, this cast construction can have the independent surface comprising cast iron, and in order to improve rigidity or concentrated in order to eliminate stress, cast construction can have the supporting construction comprising cast iron or iron aluminide.
A kind of design of the present invention is, the first section design is thermal protective element or cooling element.Thermal protective element reflective thermal radiation, thus it can not be penetrated in the degree of depth of cast construction.Meanwhile, thermal protective element also can realize the function of cooling element and heat be drawn away targetedly.Heat exchanger with large surface is also called as cooling element.
Design of the present invention still, section (its be comprise for be vented, combustion chamber at least one leave the limiting wall of at least one combustion chamber of opening) comprise exhaust manifold.Cylinder head housing and exhaust manifold is made to become the cast construction of single type by the so-called combustion chamber sheet that exhaust manifold is such as integrated into cylinder head housing.This on the one hand saves procedure of processing, and eliminates on the other hand exhaust manifold is costly connected to cylinder head housing place, and exhaust manifold must can bear high temperature and high pressure.According to the present invention, such as comprise cast iron and/or iron aluminide with the exhaust manifold jointly cast of in section.
In addition, the present invention realizes the region meeting difference in functionality of internal combustion engine to be combined in a cast construction.Be such as such design form, in this design form, cast construction is cylinder head or cylinder shell, wherein, the housing of a section and turbocharger be configured to one at least partially.Realize the quantity and the assembling cost that reduce parts thus.
In addition, turned out to be advantageously, be provided with independently water jacket (Wassermantel) in each section, cooling fluid is corresponding to circulate in this water jacket.By independently casting technique step, particularly by use one section as insert, the region of boot media can be separated in a straightforward manner.The region of boot media separately prevent corrosion, because be separated from each other from the cooling fluid of different Metal Contact.Fatigue resistance in the region of water jacket or gas crossover passage realizes by structure supporting construction.Supporting construction is preferably made up of iron aluminide and is at least surrounded casting partially through aluminum.
In truck, such as use the cylinder head comprising cast iron.The advantage that the cylinder head comprising cast iron has is, can realize high pressure in combustion chamber and gas crossover passage.The cylinder head comprising light metal (such as aluminium) is frequently used in passenger car.This advantage had has little weight.The intensity of light metal declines when higher temperature.Comprise two sections according in Composite cylinder lid of the present invention, a section comprises withstand voltage material, such as cast iron, and another section comprises light material, such as aluminium.The element comprising the cast construction of the cylinder head of the material of withstand voltage or resistance to variations in temperature is such as admission passage and leaving channel.Other element (such as the pipeline of cooling medium and lubricant medium) is made up of light metal.
Comprise iron and aluminium, the mixture of iron aluminide turned out to be advantageous particularly, it meets the requirement improved.According to the present invention, the body of casting of cylinder head either partially or fully comprises this material.By in the body of casting that multiple material is formed, according to the present invention, make iron aluminide and cast iron and/or light metal combined.
In the cast construction of combination comprising material cast iron and light metal, gap can be formed in transitional region due to the different thermal expansion of material.Iron aluminide is used as to improve material fit in the transitional region that adhesion promoting layer between two sections realizes between different light metal alloys or between light metal and cast iron according to the present invention, and thus especially after the casting cooling time reduce the trend that gap formed.First this realize by being applied to as coating on existing section by iron aluminide before another section of manufacture.
In addition, this object utilizes the method for feature according to claim 7 to realize.Dependent claims particularly relates to suitable improvement project of the present invention.
Therefore, arranged according to the present invention have such method, wherein, was applied on the first section by the coating especially comprising iron aluminide before the second casting process as adhesion promoting layer.By using the adhesion promoting layer comprising iron aluminide can realize cutting down finished cost relative to prior art, and between two sections, produce the connection of the material fit of improvement when casting.Can realize using simple Casting Equipment and foundry engieering, because without the need for adjusting the institutional framework determined pointedly, especially when light metal (such as aluminium).In addition, also regenerative raw materials can be used, the aluminium such as again reclaimed.Confirm, the feature of suitable iron aluminide is to have high intensity level when relatively little density.Its hot expansibility is similar to the hot expansibility corresponding to alusil alloy, thus can not obtain the raising of natural stress by the combination of materials of such as cast iron and aluminium.Manufacture cast construction by least two kinds of different materials and be also called as mixing casting.
Section can be made in common casting tool.But turned out to be desirably, in the casting tool separated, manufacture these sections, wherein, the first section was arranged in before second or other casting process be second or the casting tool that arranges of other casting process in.In any case, first cast and the section partly or completely solidified by second section surround casting.At this, these section material are connected ordinatedly.
If method is arranged for manufacture cast construction according to any one of claim 1 to 6, this is one embodiment of the present invention.
In addition, desirably, by means of pouring into a mould, immersing, spray and/or thermal spraying applying coating.The coating forming adhesion promoting layer is applied between these sections ideally completely.Coating is liquid or solid-state material.For solid-state material, in fact use powder or floccule.An improvement project according to the present invention is, in order to apply, differently loads coating and coating applying section thereon statically.The gap when material fit improved by coating between the sections reduces cooling casting component is after moulding formed.
Iron aluminide for adhesion promoting layer preferably provides using solid phase (such as powder) as coating.Preferably, the applying of coating realizes by means of thermal spraying (such as flame-spraying, electric arc spraying or high-velocity spray).In improvement project of the present invention, the first section (being especially set to the first section of the insert of cast construction) stands blasting treatment before coating.
Advantageously, in the first casting process, use the first founding materials, and use the second founding materials in the second casting process.At this, the first founding materials is the metal alloy different from the second founding materials.When utilizing another section and/or other founding materials surrounds the first section and/or the first founding materials cast through applying, coating not only reaches the connection of material fit with the first section but also with another section, and forms adhesion promoting layer thus.Connection by means of the material fit between the sections of adhesion promoting layer formation especially has less gap formability when cast construction cools relative to prior art.
Accompanying drawing explanation
The present invention allows numerous embodiments.In order to further illustrate its general principle, wherein three and be described below shown in the drawings.Wherein:
Fig. 1 shows the schematic diagram of the first embodiment of a section of cast construction;
Fig. 2 shows the schematic diagram of casting core of the section shown in FIG before another section of casting cast construction and casting tool;
The section shown in FIG that Fig. 3 shows cast construction and the schematic exploded view of another section formed when casting;
Fig. 4 shows the schematic diagram of the cast construction shown in figure 3, and wherein, section material is connected ordinatedly;
Fig. 5 shows with the schematic diagram of two sections with the cast construction of the coating arranged in-between;
Fig. 6 shows the schematic diagram of the flow chart of the method for the manufacture of cast construction;
Fig. 7 shows the schematic diagram of the sidepiece of the combustion chamber back to internal combustion engine of the section shown in FIG of cast construction;
Fig. 8 shows the schematic diagram of the sidepiece of the combustion chamber in the face of internal combustion engine of the section shown in FIG of cast construction;
Fig. 9 shows the schematic diagram of the second embodiment of the section of the cast construction with supporting construction;
Figure 10 shows the schematic diagram of the 3rd embodiment of the section of the cast construction with exhaust manifold.
Detailed description of the invention
Fig. 1 to 6 shows the method for the manufacture of metal casting component 1.In the cylinder head that this cast construction 1 exemplarily shown is internal combustion engine not shown further.Cast construction 1 is hybrid cylinder head, and it comprises two kinds of different founding materialses.First section 2 of cast construction 1 comprises cast iron or iron aluminide, and the second section 3 of cast construction 1 comprises iron aluminide or light metal.In the first casting process 4, in the first casting tool, produce the first section 2 of cast construction 1.Especially figure 1 illustrates the first section 2 taken out from the first casting tool not shown further.After solidification, the first section 2 is put into the 5 to the second casting tool.For the second casting tool, only depict only the wick (lkern) 6 (it is after a while for lubricant) for generation of cavity and water core (Wasserkern) 7 in fig. 2.Water core 7 produces cavity in the second section 3, is also called water jacket 10, and it can be used for holding cooling medium or cooling fluid.The water jacket 10 being arranged in water jacket 11 in the first section 2 and the second section 3 is uncorrelated.This is for alleviating the corrosion in cylinder head.The second section 3 of cast construction 1 is produced in back to back second casting process 9.The whole cast construction 1 with the first section 2 and the second section 3 can be found out in figures 3 and 4.Before the second casting process 9, coating 12 is applied on the 8 to the first section 2.The coating 12 being used as adhesion promoting layer between the first section 2 and the second section 3 comprises iron aluminide and applies 8 preferably by thermal spraying.If the first section 2 and the second section 3 comprise iron aluminide, cancel and apply iron aluminide coating.
Fig. 7 and 8 shows in the first embodiment as the first section 2 of the combustion chamber sheet of cylinder head.Combustion chamber sheet comprises two gas leaving channels, 13, two gas inlet passages 14 and comprises a part for the water jacket 11 described in addition.Show the sidepiece in the face of combustion chamber in fig. 8.This sidepiece also claim into cylinder head surface 15 and have gas leaving channel 13 leave opening 16 and gas inlet passages 14 enter opening 17.
Fig. 9 shows the second embodiment of cast construction 1 (especially its first section 2).First section 2 comprises the supporting construction be made up of support component 18.Second section 3 surrounds the first section 2 and forms the housing case of cylinder head, and the first section 2 is embodied as the combustion chamber sheet with cylinder head surface 15.
Figure 10 shows the 3rd embodiment of cast construction 1 (especially its first section 2).First section 2 comprises exhaust manifold 19.Connect the housing being furnished with turbocharger 20 by means of bolt at exhaust manifold 19 place.
List of reference characters
1 cast construction
2 first sections
3 second/another section
4 first casting process
5 insert
6 wicks
7 water cores
8 apply
9 second casting process
10 water jackets
11 water jackets
12 coating
13 gas leaving channels
14 gas inlet passages
15 cylinder head surfaces
16 leave opening
17 enter opening
18 support components
19 exhaust manifolds
20 turbocharger.
Claims (10)
1. a metal casting component (1), it is especially set to the parts of internal combustion engine, such as piston, cylinder head, cylinder shell and/or crankcase, it is characterized in that, described cast construction (1) only has iron aluminide or the composite casting component for comprising at least two sections (2,3), wherein, each in described section (2,3) has founding materialses different in density.
2. cast construction according to claim 1 (1), it is characterized in that, at contiguous section (2,3) in, described section (2,3) one in has cast-iron alloy or iron aluminide or aluminium alloy, and another in described section (2,3) has iron aluminide or aluminium alloy or magnesium alloy.
3. the cast construction (1) according to item at least one in claim 1 or 2, is characterized in that, be applied with between the section (2,3) of two vicinities comprise iron aluminide, as the coating (12) of adhesion promoting layer.
4. the cast construction (1) according to item at least one in claim 1 or 2, it is characterized in that, described section (2,3) there is of the higher founding materials of density be associated with the combustion chamber of internal combustion engine and/or gas piping in, and/or the combustion chamber of limit engine and/or gas piping.
5. the cast construction (1) according to item at least one in the claims, it is characterized in that, in described section (2,3), there is the support component (18) that of the higher founding materials of density is embodied as described cast construction (1) in geometry, stress distribution, compressive property and/or heat resistance.
6. cast construction according to claim 6 (1), it is characterized in that, in described section (2,3), there are the parts that of the higher founding materials of density comprises the housing of exhaust manifold (19) and/or turbocharger (20).
7. the method for the manufacture of metal casting component (1), metal casting component (1) is particularly useful for the parts of internal combustion engine, such as piston, cylinder, cylinder head housing and/or crankcase, it has one or more founding materialses, such as cast iron and/or iron aluminide and/or light metal, wherein, first section (2) of described cast construction (1) is produced in the first casting process (4), and in another casting process (9), produce another section (3) of described cast construction (1), wherein, before another casting process (9), the coating (12) especially comprising iron aluminide is applied (8) on described first section (2) as adhesion promoting layer.
8. the method according to item at least one in the claims, it is characterized in that, in the first casting process (4), first founding materials is arranged in casting tool, and in another casting process (9), another founding materials especially different in metallurgical from the first founding materials is arranged in casting tool.
9. the method according to item at least one in the claims, it is characterized in that, two sections (2 are produced in the casting tool separated, 3), and described first section (2) is arranged in before another casting process (9) in another casting tool arranged for another casting process (9), especially puts into (5) to another casting tool.
10. the method according to item at least one in the claims, it is characterized in that, by means of pour into a mould, immerse, spray and/or thermal spraying by described coating (12) apply (8) at least one in described section (2,3).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012011992.5 | 2012-06-16 | ||
| DE102012011992A DE102012011992A1 (en) | 2012-06-16 | 2012-06-16 | Metallic cast component and method of making a metallic cast component |
| PCT/EP2013/061112 WO2013186055A2 (en) | 2012-06-16 | 2013-05-29 | Metal cast component and method for producing a metal cast component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104379278A true CN104379278A (en) | 2015-02-25 |
Family
ID=48576404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380031561.1A Pending CN104379278A (en) | 2012-06-16 | 2013-05-29 | Metal cast component and method for producing a metal cast component |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2861364A2 (en) |
| KR (1) | KR20150004385A (en) |
| CN (1) | CN104379278A (en) |
| DE (1) | DE102012011992A1 (en) |
| WO (1) | WO2013186055A2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013212165A1 (en) * | 2013-06-26 | 2014-12-31 | Volkswagen Aktiengesellschaft | cast housing |
| US10092951B2 (en) | 2015-08-31 | 2018-10-09 | Akebono Brake Industry Co., Ltd | Unitary caliper body and support bracket and method of making the same |
| CN114406244A (en) * | 2022-01-11 | 2022-04-29 | 夏世林 | Manufacturing process of split type motorcycle cylinder body |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20150004385A (en) | 2015-01-12 |
| WO2013186055A2 (en) | 2013-12-19 |
| EP2861364A2 (en) | 2015-04-22 |
| WO2013186055A3 (en) | 2014-07-24 |
| DE102012011992A1 (en) | 2013-12-19 |
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