EP3039169A1 - Device for coating cylinder walls - Google Patents
Device for coating cylinder wallsInfo
- Publication number
- EP3039169A1 EP3039169A1 EP14750145.6A EP14750145A EP3039169A1 EP 3039169 A1 EP3039169 A1 EP 3039169A1 EP 14750145 A EP14750145 A EP 14750145A EP 3039169 A1 EP3039169 A1 EP 3039169A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- cylinder
- cooling
- cylinders
- spray
- 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
- 238000000576 coating method Methods 0.000 title claims abstract description 60
- 239000011248 coating agent Substances 0.000 title claims abstract description 52
- 238000002485 combustion reaction Methods 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 43
- 238000001816 cooling Methods 0.000 claims description 32
- 239000012809 cooling fluid Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 1
- 238000012545 processing Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 229910001060 Gray iron Inorganic materials 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/002—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour incorporating means for heating or cooling, e.g. the material to be sprayed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
- B05B13/0636—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies by means of rotatable spray heads or nozzles
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
- B05B7/1606—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed the spraying of the material involving the use of an atomising fluid, e.g. air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/002—Processes for applying liquids or other fluent materials the substrate being rotated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
Definitions
- the invention relates to a device for coating cylinder walls of a multi-cylinder internal combustion engine.
- Internal combustion engines in motor vehicles are formed for weight reasons regularly with a cylinder crankcase made of light metal, especially aluminum.
- the problem with this is that the inner walls of the cylinders formed by the cylinder block due to the tribological properties of the light metal, in particular the relatively poor wear resistance, are insufficiently suitable as running surfaces for the pistons.
- the treads of the light metal Cylinder crankcase with a coating to provide the desired tribological properties for the treads to realize.
- the coating is realized regularly by melting the coating material and spraying on the cylinder walls.
- thermal coating processes in which the coating material is melted and then - regularly by means of a compressed air or other gas stream - atomized and transported to the surface to be coated, are used.
- thermal coating methods are e.g. the plasma coating, the (high speed) flame spraying and the arc wire spraying.
- An apparatus for arc wire spraying is known for example from DE 198 41 617 A1.
- the device disclosed therein is based on a
- Spray lance which is driven to rotate about its own axis and at the same time advanced in the longitudinal axial direction, so that it can immerse in varying depth in the cylinder to be coated.
- the spray jet of coating material produced by a spray head of the spray lance is thus applied to the respective cylinder wall in a spiral movement.
- the present invention seeks to provide a way to produce a high-quality coating of cylinder walls of a multi-cylinder internal combustion engine with the shortest possible processing time.
- a generic device for coating cylinder walls of an internal combustion engine forming a cylinder is accordingly characterized by (at least) one coating device for each of the cylinders, the coating devices being controlled such that (at least temporarily) simultaneous coating of all cylinder walls takes place.
- Cylinder crankcase the internal combustion engine in a short processing time, which may be in particular only a fraction of the processing time, which would be associated with a previously customary individual processing of the cylinder.
- the reduction in machining time can be greater as more cylinders (e.g., four or six) are formed in the cylinder crankcase.
- the use of the device according to the invention may have further advantages.
- the sequential coating of the individual cylinders of a multi-cylinder cylinder crankcase produces an inhomogeneous stress state in the cylinder crankcase. This is caused by the uneven heating and cooling of the individual cylinders (eg the second cylinder wall to be coated is already at a higher temperature level than the first cylinder wall at the beginning of its coating at the beginning of its coating due to the heat input from the previous coating process).
- the heat that is introduced into the cylinder crankcase by the coating process resulting in thermal deformations, which is distributed due to the inhomogeneous heat distribution in the sequential coating according to inhomogeneous.
- the inventive simultaneous coating of all cylinders can lead to a high heat input into the cylinder crankcase. In order to avoid that this has a negative effect on the cylinder crankcase and / or the coatings, is in a preferred embodiment of the invention
- the Device provided a cooling device for cooling the cylinder crankcase.
- the introduced by the coating heat energy can be sufficiently dissipated again from the cylinder crankcase.
- the cooling device for cooling can be provided that the cooling device for cooling
- a cooling fluid e.g., air, water, oil, emulsion, etc.
- a cooling fluid e.g., air, water, oil, emulsion, etc.
- one end face of the cylinder crankcase, into which the cylinders open is cooled by means of a cooling plate, which is preferably designed to bear against the end face.
- the cooling effect of the cooling plate can preferably be based on a flow through the cooling plate by means of a cooling fluid, for which purpose they can form corresponding cooling channels, which are integrated into a cooling circuit for the cooling fluid.
- the cooling plate also covers the cylinder openings in the end face at least partially, by means of the cooling plate can also be a splash transfer (so-called These are coating particles or droplets emerging from the cylinders during coating, which deposit on non-coated component surfaces.
- openings may be provided in the cooling plate through which the coating devices penetrate into the cylinders
- the opening dimensions should correspond substantially to the outer dimensions of the corresponding section of the coating devices in order to achieve a good retention effect for the coating droplets by the smallest possible gaps formed between the cooling plate and the spray devices., If necessary, the gap should at the same time be large enough to allow a relative movement between the coating devices and the cooling plate.
- the coating devices are designed as spray lances that are (in a direct or indirect) driven by a common drive device rotating.
- each spray lances are driven in an activation of the drive device in series, so that each spray lance rotationally drives an adjacent spray lance and / or is driven to rotate by an adjacent spray lance.
- the rotary drive between two adjacent spray lances can be done by means of a gear transmission.
- each of the spray lances can be rotatably connected to a gear, the gears mesh with the gears of adjacent spray lances. This would be a reversal of rotation between adjacent spray lances connected. If such a reversal of rotation is to be avoided, this can be achieved in a simple manner by integrating in each case an intermediate gear between the tooth edges of adjacent spray lances.
- FIG. 1 shows the coating of a cylinder crankcase by means of a device according to the invention according to a first embodiment in a view from above;
- FIG. 2 shows the cylinder crankcase with the device according to the invention according to FIG. 1 in a view from the front;
- Fig. 3 the coating of a cylinder crankcase by means of a device according to the invention according to a second embodiment in a view from above.
- a first embodiment of a coating device according to the invention is schematically illustrated, which is designed for simultaneous coating of the cylinder walls of four cylinders 1 of a cylinder crankcase 2, an internal combustion engine and is used.
- the cylinder crankcase 2 thus forms four cylinders 1 arranged in series, the longitudinal axes of which run parallel.
- each of the cylinders 1 can each be immersed in a spray lance 3 and moved along the longitudinal axis of the corresponding cylinder 1.
- the spray lances 3 are driven in rotation by means of a drive device 4, wherein a series circuit for the rotary drive of the spray lances 3 is provided.
- both the drive device 4 and each of the spray lances 3 each comprise a gear 5, wherein the gears 5 of adjacent spray lances 3 and the gear 5 of the drive device 4 mesh with those of the adjacent spray lance 3.
- the drive device 4 drives accordingly only directly adjacent to this On spray lance 3, which in turn drives the adjacent spray lance 3. This continues until the last spray lance 3.
- each consisting of two gears 5 gear which are formed between the mutually driving spray lances, there is a reversal of direction between adjacent spray lances.
- a cooling device is provided. This comprises two cooling units 6, which are arranged on the two longitudinal sides of the cylinder crankcase 2 and spray the corresponding outer surfaces of the cylinder crankcase 2 with a cooling fluid.
- the cooling device comprises a cooling plate 7, which is placed on that end face of the cylinder crankcase 2, through which the spray lances 3 dive into the cylinder 1 (see Fig. 2).
- the cooling plate 7 forms passage openings, through which the spray lances 3 can protrude in order to be able to dip into the cylinder 1.
- These passage openings are only slightly larger in diameter than the circular cross-section spray lances 3 and thus smaller than the cylinder 1.
- the cooling plate 7 simultaneously acts as a mask, which largely avoids leakage of coating droplets from the cylinders 1.
- a corresponding cooling plate can also be arranged on the second end face of the cylinder crankcase 2. This may optionally be formed without through openings.
- a toothed belt drive 8 is provided, which transmits the drive power directly from the drive device to all spray lances 3.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201310014174 DE102013014174A1 (en) | 2013-08-26 | 2013-08-26 | Device for coating cylinder walls |
PCT/EP2014/002115 WO2015028116A1 (en) | 2013-08-26 | 2014-07-31 | Device for coating cylinder walls |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3039169A1 true EP3039169A1 (en) | 2016-07-06 |
EP3039169B1 EP3039169B1 (en) | 2018-06-27 |
Family
ID=51301235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14750145.6A Active EP3039169B1 (en) | 2013-08-26 | 2014-07-31 | Device for coating cylinder walls |
Country Status (5)
Country | Link |
---|---|
US (1) | US10421088B2 (en) |
EP (1) | EP3039169B1 (en) |
CN (1) | CN105658837B (en) |
DE (1) | DE102013014174A1 (en) |
WO (1) | WO2015028116A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106670035B (en) * | 2016-12-26 | 2018-10-19 | 重庆速腾机械制造有限公司 | Oil return mechanism |
DE102017106979A1 (en) * | 2017-03-31 | 2018-10-04 | Doege Beteiligungs Gmbh | Process for pipe coating and coating equipment |
DE102017217069A1 (en) * | 2017-09-26 | 2019-03-28 | Volkswagen Aktiengesellschaft | Rotary unit for a coating lance device for thermally coating an interior, and such a coating lance device |
CN110433997B (en) * | 2019-08-19 | 2021-06-15 | 深圳市宏景天科技研发有限公司 | Working of plastics surface finishing multistation mould |
CN118142766A (en) * | 2022-02-23 | 2024-06-07 | 重庆渝江压铸股份有限公司 | Driving assembly for avoiding displacement of parts in oil injection process |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE422282B (en) * | 1975-12-18 | 1982-03-01 | Atlas Copco Ab | SPRAY GUN |
DE2750463A1 (en) * | 1977-11-11 | 1979-05-17 | Daimler Benz Ag | COMBUSTION MACHINE |
DD252139B1 (en) * | 1986-08-29 | 1989-03-15 | Polygraph Leipzig | DEVICE FOR COATING METALLIC INTERIORS |
GB2227027A (en) * | 1989-01-14 | 1990-07-18 | Ford Motor Co | Plasma arc spraying of metal onto a surface |
US5380564A (en) * | 1992-04-28 | 1995-01-10 | Progressive Blasting Systems, Inc. | High pressure water jet method of blasting low density metallic surfaces |
US5468295A (en) * | 1993-12-17 | 1995-11-21 | Flame-Spray Industries, Inc. | Apparatus and method for thermal spray coating interior surfaces |
US5976704A (en) | 1994-03-01 | 1999-11-02 | Ford Global Technologies, Inc. | Composite metallizing wire and method of using |
US5863408A (en) * | 1995-06-06 | 1999-01-26 | Yamaha Hatsudoki Kabushiki Kaisha | Method and device for surface treatment |
DE19841617A1 (en) | 1998-09-11 | 2000-03-23 | Daimler Chrysler Ag | Apparatus for thermally coating the inner walls of e.g. car cylinder bores has a hollow wire electric arc inner burner having a burner head with two wires extending from the feeding mechanism |
DE19910578A1 (en) * | 1998-12-18 | 2000-06-21 | Volkswagen Ag | Thermal coating of cavity surfaces, especially plasma spray coating of cylinder running surfaces of an i. c. engine crank-case, comprises pre-roughening the surfaces to produce equal peak and valley area distributions |
WO2000037705A1 (en) * | 1998-12-18 | 2000-06-29 | Volkswagen Aktiengesellschaft | Auxiliary device for thermally coating the surfaces of an inner area |
EP1152139B1 (en) * | 2000-05-03 | 2004-07-21 | Sulzer Metco AG | Device for coating cylinder walls of engine blocks |
US6703579B1 (en) * | 2002-09-30 | 2004-03-09 | Cinetic Automation Corporation | Arc control for spraying |
JP4496783B2 (en) * | 2004-01-16 | 2010-07-07 | トヨタ自動車株式会社 | Thermal spraying equipment and thermal spraying method |
DE602005023409D1 (en) * | 2005-04-19 | 2010-10-21 | Toyota Motor Co Ltd | Apparatus and method for thermal spraying |
DE102006061652A1 (en) * | 2006-12-27 | 2008-07-03 | Bayerische Motoren Werke Aktiengesellschaft | Method for coating a hollow body comprises moving a distributing device relative to the hollow body in a linear manner and rotating the distributing device about a defined angle relative to the hollow body |
DE102009049323B4 (en) * | 2009-10-14 | 2011-11-10 | Bayerische Motoren Werke Aktiengesellschaft | Internal combustion engine with a crankcase and method for producing a crankcase |
DE102010060652A1 (en) * | 2010-11-18 | 2012-05-24 | Martinrea Honsel Germany Gmbh | Device for the thermal coating of cylinder inner surfaces in crankcases |
-
2013
- 2013-08-26 DE DE201310014174 patent/DE102013014174A1/en not_active Ceased
-
2014
- 2014-07-31 CN CN201480047058.XA patent/CN105658837B/en active Active
- 2014-07-31 US US14/914,075 patent/US10421088B2/en active Active
- 2014-07-31 WO PCT/EP2014/002115 patent/WO2015028116A1/en active Application Filing
- 2014-07-31 EP EP14750145.6A patent/EP3039169B1/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2015028116A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN105658837B (en) | 2018-02-23 |
US10421088B2 (en) | 2019-09-24 |
EP3039169B1 (en) | 2018-06-27 |
CN105658837A (en) | 2016-06-08 |
WO2015028116A1 (en) | 2015-03-05 |
DE102013014174A1 (en) | 2015-03-12 |
US20160207056A1 (en) | 2016-07-21 |
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