EP2279281A1 - Innenbrenner zum lichtbogendrahtspritzen - Google Patents
Innenbrenner zum lichtbogendrahtspritzenInfo
- Publication number
- EP2279281A1 EP2279281A1 EP09708709A EP09708709A EP2279281A1 EP 2279281 A1 EP2279281 A1 EP 2279281A1 EP 09708709 A EP09708709 A EP 09708709A EP 09708709 A EP09708709 A EP 09708709A EP 2279281 A1 EP2279281 A1 EP 2279281A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sliding contacts
- electrodes
- internal burner
- outlet nozzle
- guide element
- 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
- 238000005507 spraying Methods 0.000 title claims abstract description 13
- 238000010891 electric arc Methods 0.000 title abstract 2
- 239000007921 spray Substances 0.000 claims description 20
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 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
- 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
- B05B7/22—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 electrically, magnetically or electromagnetically, e.g. by arc
- B05B7/222—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 electrically, magnetically or electromagnetically, e.g. by arc using an arc
- B05B7/224—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 electrically, magnetically or electromagnetically, e.g. by arc using an arc the material having originally the shape of a wire, rod or the like
-
- 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
- C23C4/131—Wire arc spraying
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3425—Melting or consuming electrodes
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3489—Means for contact starting
Definitions
- the present invention relates to an internal burner for the arc wire spraying of cavities, in particular cylinder running surfaces according to the preamble of claim 1.
- a further arc wire burner for arc wire spraying which has two combustion tubes for supplying formed as a wire electrodes.
- the electrodes are guided in the direction of the surface to be coated through the combustion tubes, wherein the wire is guided over a rotatably mounted guide and / or sliding elements having deflecting means, by means of which the wire is deformed in the elastic region.
- a sliding contact for the transmission of electrical energy to the electrodes is also known, which is biased by a spring against the surface of the electrode.
- the present invention is concerned with the problem of providing for a generic internal burner an improved embodiment, which in particular builds more compact.
- the invention is based on the general idea of slidably supporting the sliding contacts for transmitting the electrical energy to the electrodes in the axial direction and indirectly biasing in the axial direction via guide elements connected to the sliding contacts, wherein the guide elements are frontally connected to a respective end face of the associated sliding contact and wherein the sliding contacts, the guide elements and at least two supply channels for the supply of electrodes to an outlet nozzle of the internal burner according to the invention are arranged parallel to each other.
- the two electrodes are designed as burnable wires in an arc.
- the parallel arrangement of the feed channels, the sliding contacts and the guide elements and the axial bias of the guide elements and connected to the sliding contacts allows in comparison to the prior art, a very compact design, since the spring for biasing the respective sliding contact similar space-saving install, as the Pen in a pen.
- the sliding contacts were always biased by separately arranged spring means against the electrode, resulting in a significantly increased space requirement.
- a reduction in the size of the spray head allows use of the internal burner according to the invention in compared to the prior art significantly smaller bore diameters and thus the coating of significantly smaller cavities, especially significantly smaller cylinder treads.
- the proposed solution is structurally very simple and to realize compared to the prior art, a significantly lower number of parts, whereby the inner burner is more cost-effective to produce.
- the at least two supply channels are angled in the region of the outlet nozzle, wherein the sliding contacts are designed and arranged such that they bias the electrons in the region of the outlet nozzle against a feed channel inner wall.
- the outlet nozzle, the guide elements, the feed channels and the sliding contacts are part of a replaceable spray head of the internal burner.
- the summary of above-mentioned components in the interchangeable trained spray head offers the particular advantage to simplify the maintenance of the internal burner significantly, for example, only the spray head must be routinely or replaced if necessary. It is conceivable here that the spray head designed in this way can be connected to the internal burner via simple plug-in or screw connections, so that a mounting or dismounting of the spray head on or from the internal burner can be effected simply and thereby cost-effectively.
- Fig. 3 is a representation as in Fig. 2, but with the spray head open.
- an internal burner 1 has a spray head 2, the internal burner 1 being connected to an arc wire spraying installation 3.
- the inner burner 1 is used for the arc wire spraying of cavities, in particular of cylinder running surfaces 9.
- a cylinder surface 9 is shown for example in Fig. 1, wherein at least the spray head 2 of the inner burner 1 is rotatably mounted for the coating and preferably the inner burner 1 itself is vertically adjustable, so that a uniform coating of the cylinder surface 9 is possible.
- One The cavities are coated by melting electrodes which can be burned in an arc and formed as wires, which are in contact with two sliding contacts 4 (see FIG.
- the sliding contacts 4 were previously biased by orthogonal to the electrodes arranged spring means, for example by means of coil springs against the electrodes, so that a reliable and continuous contact between electrodes on the one hand and sliding contacts 4 on the other hand could be ensured.
- Such arranged spring devices require a not inconsiderable space requirement, which greatly limits the applications of an internal burner, especially at low inner diameters, that is, small cylinders.
- the internal burner 1 has at least two supply channels 5 for supplying the electrodes to an outlet nozzle 6 on the spray head 2.
- the sliding contacts 4 are arranged or formed so that they bias the electrodes in the region of the outlet nozzle 5 against a feed channel inner wall.
- the electrodes are held in position in the region of the outlet nozzle 6 on the one hand by a part of the feed channels 5 and on the other hand by the associated sliding contacts 4, whereby it can be ensured that the two electrodes can be fed to one another in an always predefined and thus exactly aligned position.
- the sliding contacts 4 are biased in the region of the outlet nozzle 6 substantially orthogonal to the electrodes, wherein the feed channels 5 are formed angled in the region of the outlet nozzle 6. In the feed direction in front of the outlet nozzle 6, the feed channels 5 extend substantially parallel to the sliding contacts 4 and to the end of the sliding contacts 4 arranged guide elements 7th
- a spray head 2 of an internal burner 1 according to the invention is shown, wherein the slim shape is clearly visible.
- This slim shape makes it possible to use the internal burner 1 according to the invention for coating cavities with a diameter of> 60 mm.
- the sliding contacts 4 are now displaceably mounted in the axial direction 10 and are connected to a guide element 7 which is also displaceably mounted in the axial direction 10 (see FIG. 3).
- the respective guide element 7 similar to the expression in a ballpoint pen, axially biased via in each case at least one associated spring 11 and thereby presses the associated sliding contact 4 against the electrode.
- the feed channels 5, the sliding contacts 4 and the guide elements 7 are arranged parallel to one another in the spray head 2, whereby a very compact design of the spray head 2 can be achieved. This makes it possible to use the internal burner 1 according to the invention even with significantly smaller inside diameters, so that even smaller cylinders can be coated with the arc wire spraying method.
- the two springs 11 are formed as spiral springs in FIG. 3 and wind in the circumferential direction around the respectively associated guide element 7.
- the respective spring 11 is supported on the one hand on a guide element side collar 12 and on the other side on a housing 13 Spray head 2, for example, on an unspecified console.
- springs are provided in the region of the inner burner 1, which also bias the two guide elements 7 in the direction of the outlet nozzle 6 and thereby support the two springs 11 in their biasing action.
- the two sliding contacts 4 are designed as strip-like metal plates, which are connected to the guide elements 7 via corresponding connecting means 8, for example rivets.
- the sliding contacts 4 are formed of copper or a copper alloy. Copper has a high electrical conductivity, whereby the electrical resistance can be kept low.
- the outlet nozzle 6, the guide elements 7, the feed channels 5 and the sliding contacts 4 are part of a total interchangeable spray head 2, whereby a particularly simple and cost-effective maintenance of the internal burner 1 can be ensured.
- the internal combustion engine 1 provides the following advantages: A cost saving through a reduction of internal burner components, since the previously required spring devices are eliminated, lower operating costs, lower maintenance costs, reduced non-productive time due to lower assembly costs and a widened range of applications due to the compact design.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electromagnetism (AREA)
- Coating By Spraying Or Casting (AREA)
- Nozzles (AREA)
- Electrostatic Spraying Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008008169A DE102008008169A1 (de) | 2008-02-08 | 2008-02-08 | Innenbrenner zum Lichtbogendrahtspritzen |
PCT/EP2009/000058 WO2009097943A1 (de) | 2008-02-08 | 2009-01-08 | Innenbrenner zum lichtbogendrahtspritzen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2279281A1 true EP2279281A1 (de) | 2011-02-02 |
EP2279281B1 EP2279281B1 (de) | 2011-07-13 |
Family
ID=40436266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09708709A Active EP2279281B1 (de) | 2008-02-08 | 2009-01-08 | Innenbrenner zum lichtbogendrahtspritzen |
Country Status (6)
Country | Link |
---|---|
US (1) | US8431856B2 (de) |
EP (1) | EP2279281B1 (de) |
JP (1) | JP5370693B2 (de) |
AT (1) | ATE516382T1 (de) |
DE (1) | DE102008008169A1 (de) |
WO (1) | WO2009097943A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201006389D0 (en) * | 2010-04-16 | 2010-06-02 | Linde Ag | Device for providing a flow of plasma |
DE102011114395A1 (de) | 2011-09-24 | 2013-03-28 | Daimler Ag | Vorrichtung zum thermischen Beschichten |
DE102011120539B4 (de) * | 2011-12-08 | 2020-10-29 | Daimler Ag | Verfahren zur Prüfung einer thermischen Beschichtungsanlage |
DE102014008908A1 (de) | 2014-06-14 | 2014-12-04 | Daimler Ag | Kaltgasspritzvorrichtung und Verfahren zum Beschichten eines Bauteils |
EP3434804B1 (de) | 2016-03-23 | 2020-02-12 | Nissan Motor Co., Ltd. | Pistole für thermisches spritzen |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE403295A (de) * | ||||
GB455775A (en) * | 1935-05-29 | 1936-10-27 | British Thomson Houston Co Ltd | Improvements in and relating to apparatus for supplying current to electric welding machines |
DE19841619C2 (de) * | 1998-09-11 | 2002-11-28 | Daimler Chrysler Ag | Werkstoffdraht zur Erzeugung verschleißfester Beschichtungen aus übereutektischen Al/Si-Legierungen durch thermisches Spritzen und seine Verwendung |
US6559416B1 (en) * | 2000-08-25 | 2003-05-06 | Illinois Tool Works | Alternate current path for mig gun |
DE10111565C5 (de) * | 2001-03-10 | 2005-07-21 | Daimlerchrysler Ag | Innenbrenner |
DE10243739B3 (de) * | 2002-09-20 | 2004-05-19 | Daimlerchrysler Ag | Lichtbogendrahtbrenner |
DE102005012360B4 (de) | 2005-03-17 | 2009-09-03 | Daimler Ag | Lichtbogendrahtbrenner |
-
2008
- 2008-02-08 DE DE102008008169A patent/DE102008008169A1/de not_active Withdrawn
-
2009
- 2009-01-08 AT AT09708709T patent/ATE516382T1/de active
- 2009-01-08 JP JP2010545374A patent/JP5370693B2/ja active Active
- 2009-01-08 EP EP09708709A patent/EP2279281B1/de active Active
- 2009-01-08 WO PCT/EP2009/000058 patent/WO2009097943A1/de active Application Filing
- 2009-01-08 US US12/866,058 patent/US8431856B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2009097943A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2011511163A (ja) | 2011-04-07 |
DE102008008169A1 (de) | 2009-08-13 |
JP5370693B2 (ja) | 2013-12-18 |
US8431856B2 (en) | 2013-04-30 |
EP2279281B1 (de) | 2011-07-13 |
US20100320175A1 (en) | 2010-12-23 |
ATE516382T1 (de) | 2011-07-15 |
WO2009097943A1 (de) | 2009-08-13 |
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