EP2880193A1 - Chemise de cylindre et procédé de fabrication de ladite chemise de cylindre - Google Patents

Chemise de cylindre et procédé de fabrication de ladite chemise de cylindre

Info

Publication number
EP2880193A1
EP2880193A1 EP13720893.0A EP13720893A EP2880193A1 EP 2880193 A1 EP2880193 A1 EP 2880193A1 EP 13720893 A EP13720893 A EP 13720893A EP 2880193 A1 EP2880193 A1 EP 2880193A1
Authority
EP
European Patent Office
Prior art keywords
cylinder liner
layer
cylinder
maximum
aluminum
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
EP13720893.0A
Other languages
German (de)
English (en)
Other versions
EP2880193B1 (fr
Inventor
Peter Goedel
Volker Scherer
Michael Buchmann
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.)
Federal Mogul Burscheid GmbH
Original Assignee
Federal Mogul Burscheid 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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Application filed by Federal Mogul Burscheid GmbH filed Critical Federal Mogul Burscheid GmbH
Priority to PL13720893T priority Critical patent/PL2880193T3/pl
Publication of EP2880193A1 publication Critical patent/EP2880193A1/fr
Application granted granted Critical
Publication of EP2880193B1 publication Critical patent/EP2880193B1/fr
Active legal-status Critical Current
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Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/123—Spraying molten metal
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
    • B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
    • B22D21/04—Casting aluminium or magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
    • B22D23/003—Moulding by spraying metal on a surface
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/067—Metallic material containing free particles of non-metal elements, e.g. carbon, silicon, boron, phosphorus or arsenic
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/08—Metallic material containing only metal elements
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/18—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/18—After-treatment
    • C23C4/185—Separation of the coating from the substrate
    • 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 
    • F02F1/004—Cylinder liners
    • 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 
    • 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
    • Y10T29/4927—Cylinder, cylinder head or engine valve sleeve making
    • Y10T29/49272—Cylinder, cylinder head or engine valve sleeve making with liner, coating, or sleeve

Definitions

  • the present invention relates to a method for producing a particular thermally sprayed, thin-walled cylinder liner for insertion into a cylinder crankcase and a cylinder liner produced by the method.
  • cylinder liners in internal combustion engines makes it possible to use for the engine block another material, which meets only the relevant requirements.
  • the cylinder liner on the other hand, can be optimized to meet wear resistance and low friction requirements. Since the material content of the liner is relatively small compared to the engine block, higher quality and therefore more expensive materials can be used here, without being too detrimental to the overall cost.
  • the prior art discloses methods for producing light metal cylinder liners for thermal joining in cylinder crankcases made of iron or light metal (see, for example, the booklet "Overhaul of Aluminum Motors” by MSI Motor Service International GmbH, issue 03/99).
  • Such bushings are produced, for example, via a process of spray compacting with subsequent mechanical processing.
  • these bushings sold under the brand name Alusil® have the disadvantage of a moderate wear resistance on the cylinder surface.
  • a complex process of the exposure of silicon crystals during the finishing of the cylinder running surfaces is necessary here.
  • Aluminum-silicon cylinder liners or cylinder running surfaces made of block alloys (Alusil®, Lokasil®) sold under the brand name Silitec® have a high thermal conductivity.
  • the wear ability of the respective cylinder surfaces is determined by the present, outstanding after honing silicon particles.
  • a maximum silicon content of about 20% can be achieved in terms of process technology.
  • spray-compacted materials higher silicon contents can be achieved; Due to the process, however, this leads to increasing component costs. Due to the high mechanical load of new engines, such as gasoline engines with gasoline direct injection or modern diesel engines, however, the mechanical strength values with conventional aluminum-silicon alloys are borderline.
  • slip-fit liners made of gray cast iron are known as cylinder liners.
  • the liners are manufactured mechanically from centrifuged gray cast iron pipes. To achieve the required surface roughness and cylindrical shape of the outer diameter is ground.
  • To install cast iron bushings it is necessary that the bush has a larger diameter at room temperature than the bore of the cylinder crankcase. Thereafter, the diameter of at least one of the two joining bodies by thermal expansion to change such that the socket can be safely inserted into the cylinder crankcase. This is generally done by heating the cylinder crankcase, as due to the low thermal expansion coefficient of gray cast iron cooling the socket alone is not sufficient. This makes the insertion of gray cast iron bushings consuming and expensive.
  • Another known form of cylinder reinforcements are on the cylinder surface sprayed layers.
  • DE 197 33 205 A1 discloses a coating of a cylinder running surface of an iron, aluminum or magnesium-based reciprocating piston engine with a hypereutectic aluminum / silicon alloy and / or an aluminum / silicon composite material and a method for producing this coating.
  • the coating is here applied directly to the inner wall of the cylinder bore in the engine block.
  • a rotating about the central axis of the cylinder bore inner burner which is constructed on a rotating unit, inserted into the cylinder bore and moved axially.
  • the inner burner is inserted into the cylinder bore of the rotating crankcase and axially moved along the center axis of the cylinder bore to spray the coating onto the cylinder wall.
  • the cylinder surface generally has to be elaborately prepared before coating, for example by roughening by means of high-pressure water jets, or by introducing a defined profiling with undercuts via a turning process.
  • a method of manufacturing a cylinder liner comprising: thermally spraying a first material onto a molded article to form a wear and corrosion resistant first layer, the first molded material comprising at least 67% iron, Fe; maximum 3% carbon, C; between 0 and a maximum of 20% chromium, Cr; between 0 and a maximum of 10% nickel, Ni; and thermally spraying a second material to form a second outer layer on the first inner layer, wherein the second molded material comprises aluminum, an aluminum alloy, or a lightweight and ferrous multi-element material.
  • FIG. 1 shows a section of a cylinder liner according to an embodiment of the invention.
  • the invention proposes a method of manufacturing a cylinder liner by thermal spraying.
  • a first material for forming a first, inner layer is provided on a shaped body, which as essential elements at least 67% Fe and max. 3.0% C has.
  • a shaped body which as essential elements at least 67% Fe and max. 3.0% C has.
  • up to 20% Cr and / or 10% nickel can be alloyed.
  • the first material contains at least 70% Fe, more preferably at least 80% Fe, even more preferably at least 90% Fe and above, even more preferably at least 95% Fe.
  • the carbon content should not exceed 3% Otherwise, the material is too hard and brittle, ie difficult to work. There is a risk of layer chipping or cracking.
  • the carbon content is therefore preferably ⁇ 2%, and more preferably ⁇ _1%.
  • the material can continue between 0 and max. 30% Cr and between 0 and max. Contain 10% Ni. These components are usually used to increase the corrosion resistance, but also mean higher material costs or a higher manufacturing cost in reworking the tread, for example when honing.
  • the first or inner layer of the cylinder liner produced in this step according to the invention shows no susceptibility to corrosion even without the presence of said elements in current engine designs, so that the material used must contain these elements only in small amounts, if at all.
  • Preferred ranges for these components are between 0 and 19%, more preferably between 0 and 5%, more preferably between 0 and 3%, even more preferably between 0 and 1% for Cr.
  • a range is preferably between 0 and 5%, more preferably between 0 and 3% and even more preferably between 0 and 2%, even more preferably between 0 and 1%.
  • the material is present before the coating process as a solid or flux cored wire and is by means of known wire coating methods, such as by means of electric arc wire spraying or wire flame spraying u.ä. melted and applied to a rotating moldings.
  • the material is applied to the outer surface of the rotating molded body, which has a substantially cylindrical shape.
  • the further shape of the shaped body in particular its dimensions is limited only by the intended application.
  • the outer diameter of the shaped body with respect to the different diameters of cylinder liners in the range of about 20 mm to about 1000 mm, preferably for the automotive bilia range between 60 mm to about 100 mm.
  • the length of the molding is not upwards limited, since a desired length of the cylinder liner can be prepared by reworking a first workpiece obtained.
  • the molded body only has to have the length of the desired cylinder liner and can therefore be from about 50 mm to about 5 m.
  • the length of the molded body of about 100 mm to about 400 mm, wherein on a molding 2 to 4 cylinder liners can be made at once.
  • the molded article may be made of any material that remains dimensionally stable under the applied process conditions, i.
  • the temperatures of the molten and applied material can withstand, for example, at iron temperatures of about 1400 ° C and a detachment of the first, inner layer after application allows.
  • the outer surface of the molded body can be provided with a thin, inorganic separating layer.
  • a second, outer layer is applied to the first, inner layer, which may still be on the molded article or has previously been removed from the molded article, i. in the form of a sleeve is present as a free body.
  • the outside diameter of the first layer is "as-sprayed", i.e. it is not mechanically worked before the second layer is applied.
  • the same thermal spraying method as in the first step can be used or another. This is chosen depending on the material used and the other prevailing conditions in the production.
  • the material applied in the second step is generally chosen such that it has a thermal expansion coefficient that is as similar as possible to that of the cylinder crankcase.
  • the material may be selected, for example, from aluminum or an aluminum alloy of Al and Si or Al and Mn or Al and Mg or a multi-element layer of an aluminum alloy and iron. This is particularly advantageous because such a combination when applying selectively distributed over the surface which provides less surface roughness with respect to a subsequent processing step, especially grinding.
  • the method according to the invention can be layers with a porosity of ⁇ 8 vol .-%, preferably ⁇ 5 vol .-%, more preferably ⁇ 3 vol .-% and pore sizes of ⁇ 15 ⁇ , preferably ⁇ 10 ⁇ , more preferably ⁇ 8 achieve ⁇ .
  • This is significantly improved in contrast to internal coatings of the prior art, which provide a porosity of about> 10 vol .-% and a pore size of about 20 ⁇ .
  • the outer surface of the outer, second layer which is still rough after spraying is processed by grinding or turning, whereby the desired outer diameter, the necessary Zyhndriztician and the required surface roughness of the cylinder liner produced by the method according to the invention is achieved.
  • the roughness depth (Rz) of the outer lateral surface which is to be produced thereby is normally in the range of a maximum of approximately 50 ⁇ , preferably at most approximately 30 ⁇ m, more preferably a maximum of 10 ⁇ .
  • the desired surface roughness can each be achieved by a suitable machining, e.g. Fine turning can be achieved. If higher demands are placed on the Zyhndriztician, then the outer circumferential surface can also be ground.
  • the desired total length of the cylinder liner to be used in an engine can be made by turning, milling or laser cutting from the produced cylinder liner.
  • the first inner layer of the cylinder liner produced by the method according to the invention has a layer thickness of about 0.2 to 2.0 mm, preferably from 0.2 to 1 mm, more preferably from 0.2 to 0.8 mm.
  • the second outer layer of the cylinder liner produced by the method according to the invention has, after application, a layer thickness of about 0.2 to 2 mm, preferably from 0.3 to 2.0 mm, more preferably from 0.3 to 1.0 mm.
  • the layer thickness of the outer layer is generally reduced by about 0.1 mm to about 0.5 mm.
  • the cylinder liner produced by the method according to the invention has a total wall thickness of 0.4 to a maximum of about 10 mm, preferably from about 1 mm to 2 or 3 mm.
  • the method further comprises providing the cylinder liner produced by the method according to the invention with a chamfer on one or both axial ends on the outside diameter and / or on the inside diameter.
  • the method further comprises recesses and / or overflow channels provided on the bush jacket, which can be produced by machining with a geometrically determined cutting edge or thermal laser cutting.
  • the cylinder liner produced by the method according to the invention can optionally be provided with pulsation holes or with a collar at one end.
  • the Pulsationsbohronne can be produced either by milling or by cutting with a laser, the federal government, for example, are produced by a turning operation.
  • the method further comprises the inside of the formed Cylinder liner after joining in the engine block to increase, whereby the thickness of the first, inner layer can be reduced to 0.05 mm, this in order to achieve better thermal conductivity.
  • a cylinder liner made by the method described above.
  • the cylinder liner produced by the method according to the invention is used after completion and processing in a cylinder bore of an engine. This can be done, such as in the automotive field according to conventional methods by the engine block (aluminum) is heated to a temperature of about 250 ° C, and the sleeve is inserted into the cylinder bores.
  • the socket according to the invention can also be used in an unheated engine block due to its intrinsic properties, by itself this is previously cooled, for example, to temperatures of about -20 ° C, or -30 ° C or -40 ° C up to -. 78.5 ° C (solid carbon dioxide) or preferably in liquid nitrogen to temperatures of about -20 ° C, etc. up to -196 ° C and then transferred to the cylinder bore. This is not possible with a gray cast iron bush, as their coefficient of expansion is too low.
  • the socket of the invention facilitates handling and reduces the cost and expense of inserting the socket.
  • Example 8 By means of arc wire spraying, a 0.8 mm thick first layer of a steel wire was used (99% Fe, 0.8% C, balance impurities such as Mn, Cr, Ni) sprayed onto a metallic cylindrical shaped body (diameter 80 mm, length 1000 mm).
  • the 3.2 mm thick solid wires were melted at a feed rate of 1 m / min at a voltage of 36V and a current of 800A in the coating unit and sprayed onto the rotating at 150 rev / min molding.
  • the coating distance was 150 mm, the layer thickness of 0.8 mm was applied in 6 coating paths.
  • the first layer was separated from the shaped article, clamped between two conical receptacles and also provided with a 1.0 mm thick A1S02 layer in a second coating system by means of arc wire spraying.
  • the 3.2 mm solid wires were fed into the coating unit at a feed rate of 1.2 m / min and melted at 30V or 650A.
  • the 1.0 mm thick layer is in 4 coating webs at a rotational speed of 150 rev / min. applied.
  • the layer structure of both layers was analyzed, the hardness of the St0.8 layer was 400 HV1, the A1SÜ2 layer at 100HV1.
  • the porosity was ⁇ 3% in both layers, the maximum pore size was ⁇ .
  • the completely injection molded, cylindrical component with an inner diameter of 80 mm, a total length of 180 mm and a wall thickness of 1.8 mm was removed from the coating system, clamped in a lathe and cylindrically turned over on the outer shell.
  • the surface roughness was Ra ⁇ 6 ⁇
  • the bushing was rotated to an outer diameter of 83.6 mm.
  • the cylinder liner was cut to 142 mm at both ends by means of turning, or chamfered externally and internally with a 30 ° chamfer.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

L'invention concerne un procédé pour fabriquer une chemise de cylindre à paroi mince et formée par pulvérisation à chaud destinée à être insérée dans un bloc-cylindres. L'invention concerne également une chemise de cylindre fabriquée selon ce procédé.
EP13720893.0A 2012-08-03 2013-04-29 Procédé de fabrication d'une chemise de cylindre Active EP2880193B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13720893T PL2880193T3 (pl) 2012-08-03 2013-04-29 Sposób wytwarzania tulei cylindrowej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012015405.4A DE102012015405B4 (de) 2012-08-03 2012-08-03 Zylinderlaufbuchse und Verfahren zu deren Herstellung
PCT/EP2013/058857 WO2014019723A1 (fr) 2012-08-03 2013-04-29 Chemise de cylindre et procédé de fabrication de ladite chemise de cylindre

Publications (2)

Publication Number Publication Date
EP2880193A1 true EP2880193A1 (fr) 2015-06-10
EP2880193B1 EP2880193B1 (fr) 2018-02-21

Family

ID=48325668

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13720893.0A Active EP2880193B1 (fr) 2012-08-03 2013-04-29 Procédé de fabrication d'une chemise de cylindre

Country Status (10)

Country Link
US (1) US10017845B2 (fr)
EP (1) EP2880193B1 (fr)
JP (1) JP6329146B2 (fr)
KR (1) KR102048454B1 (fr)
CN (2) CN104321457A (fr)
BR (1) BR112014027035B1 (fr)
DE (1) DE102012015405B4 (fr)
PL (1) PL2880193T3 (fr)
RU (1) RU2627526C2 (fr)
WO (1) WO2014019723A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN107971473A (zh) * 2017-10-30 2018-05-01 昆明理工大学 一种WCp/高锰钢基复合耐磨衬板及其制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR102013031969A8 (pt) * 2013-12-12 2015-12-15 Mahle Int Gmbh camisa de cilindro de um motor a combustão interna
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PL2880193T3 (pl) 2018-08-31
JP6329146B2 (ja) 2018-05-23
DE102012015405A1 (de) 2014-02-06
KR20150038580A (ko) 2015-04-08
WO2014019723A1 (fr) 2014-02-06
US20150218687A1 (en) 2015-08-06
BR112014027035A2 (pt) 2017-06-27
CN104321457A (zh) 2015-01-28
RU2627526C2 (ru) 2017-08-08
BR112014027035B1 (pt) 2020-11-10
KR102048454B1 (ko) 2020-01-08
DE102012015405B4 (de) 2014-07-03
US10017845B2 (en) 2018-07-10
CN110306146A (zh) 2019-10-08
RU2015104564A (ru) 2016-09-20
JP2015526596A (ja) 2015-09-10
EP2880193B1 (fr) 2018-02-21

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