EP2941493A1 - Vorrichtung zum thermischen beschichten einer oberfläche - Google Patents
Vorrichtung zum thermischen beschichten einer oberflächeInfo
- Publication number
- EP2941493A1 EP2941493A1 EP13811944.1A EP13811944A EP2941493A1 EP 2941493 A1 EP2941493 A1 EP 2941493A1 EP 13811944 A EP13811944 A EP 13811944A EP 2941493 A1 EP2941493 A1 EP 2941493A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- nozzle
- stick
- coating
- nozzle ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
-
- 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
-
- 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
Definitions
- the present invention relates to a device for thermally coating a surface having the features of the preamble of claim 1.
- the suction device has at least one suction tube, which can be arranged below the bore. It is paid attention to a certain distance. It is also disclosed that an inner surface of the suction tube is polished smooth and / or with a
- Non-stick coating is coated.
- DE 10 2006 230483 A1 deals with a device for cold gas spraying, in which gas and spray particles are accelerated.
- the cold gas spray nozzle is at least partially coated on its inner wall, the hotter gases and
- the coating should prevent caking of the hot spray particles on the nozzle inner wall.
- JP61-245978 A is a ceramic-coated burner nozzle for
- Inert gas welding process known.
- the ceramic coating is applied by means of plasma flame spraying.
- the ceramic coating is then ground to avoid adhesion of weld spatter.
- WO 2008/125356 A1 deals with an expansion nozzle, the one
- the inner contour of the expansion nozzle can a
- Wire feeder for feeding a consumable wire, the wire acting as an electrode; a source of plasma gas for generating a
- Plasma gas stream ; a nozzle body having a nozzle opening through which the plasma gas stream is passed as a plasma jet to a wire end; and a second electrode disposed in the plasma gas stream before it enters the
- the plasma jet emerging from the nozzle opening strikes the end of the wire, where it causes the wire to melt and the molten wire material to be transported away in the direction of the arc
- Secondary air nozzles attached, through which a secondary gas jet is generated, which meets the molten material from the wire end and so accelerate the transport in the direction of the surface to be coated and a
- Today's internal combustion engines or their engine blocks can be made of a metal or light metal, such. Be poured aluminum, in particular
- Aluminum blocks have an iron or metal layer on their cylinder bores.
- the metal layer may be thermally sprayed. As thermal
- spray processes include the abovementioned processes as plasma wire spraying or as PTWA (Plasma Transferred Wire Are).
- a coating of the cylinder bores by means of the plasma wire Injection method, so with the PTWA is advantageous because it can produce a coating which has a positive effect on a reduced wear factor, on a longer life of the engine with lower oil consumption in the
- Devices are retracted, for example, in a cylinder bore to be coated and rotate in operation with a simultaneous linear up and
- Short circuit can lead to the device. This short circuit can occur as soon as a closed electrically conductive coating has formed on the outer surface of the device. Also, the known devices have such a dimension that they can no longer coat the smaller and smaller in diameter cylinder bores with the required, promising parameters.
- the present invention has the object to provide an improved device for thermal coating of surfaces, with which the injection process even small bore diameter is process stable feasible.
- an apparatus for thermally coating a surface comprises at least one housing, a cathode, an anode, which serves as a melting wire is formed and at least one preferably electrically and thermally acting insulating element, wherein at least the housing has a non-releasable non-stick surface.
- a non-stick surface is in the context of the invention, a non-stick and / or insulating layer or a non-stick and / or
- the device also referred to as a burner or burner head, is mounted by a spindle to a suitable rotating device.
- the rotary device comprises in addition to the rotary drive and the rotary feedthrough of the process gases (primary gas / secondary gas) and the contacting of the cathode and
- the spindle thus serves as a kind of distance-A / extension element of the
- the spindle carries the process gases
- the housing of the burner head can be made in one or more parts, preferably in two parts, with at least one main element and at least one cover element which can be screwed together.
- the housing may be made of copper, a copper alloy, in particular brass or aluminum or an aluminum alloy, the materials are of course not intended to be limiting. Nevertheless, the materials mentioned within the meaning of the invention are metallic materials. In a preferred embodiment, the housing is advantageous because of the extremely in operation of the device
- Spray dust on the entire device are the adhesive mechanisms of the
- Temperatures may be localized, and the molten state may cause some particles to mechanically bond when they hit the device surfaces. It is exemplified by the
- the surface quality is crucial for the avoidable adhesion of overspray and / or sprayed dust, which is why the surface is preferably polished in order to reduce the roughness, which counteracts deposition on the housing.
- a non-stick surface is in the context of the invention thus a surface of a suitable housing and / or spindle material, which at least
- Non-stick properties for the expected spray dusts whose roughness by suitable surface finishing, for example by grinding,
- the housing may, in the sense of the invention as a non-stick surface but also have a suitable coating which is applied to the housing.
- the non-stick surface is cohesively, so not releasably connected to the housing, which means in the context of the invention that either the material of the housing itself the
- Non-stick surface forms, or that the non-stick surface is applied as a protective layer on the material of the housing, so that the two components
- the non-stick surface can also be electrically and thermally insulating
- a high hardness of the housing material is expedient or can be increased by the targeted selection of the coating material of the housing, the hardness of the non-stick surface.
- the housing as a non-stick surface a decorative or
- the decorative or hard chromium coating is in the context of the invention, a metallic non-stick surface, and may have a layer thickness of ⁇ , ⁇ or 40 ⁇ - ⁇ ⁇ example.
- the sprayed dusts do not form a firm bond with these coatings. Rather, depositing sprayed dust can hang up only loosely.
- non-stick surfaces by different coating methods of the housing, known metallic hard materials (eg tungsten carbide, titanium carbide, titanium nitride) or hard material mixed crystals (eg tungsten carbide titanium carbide, tungsten carbide cobalt, titanium carbide titanium nitride) or non-metallic hard materials (eg diamond , Silicon carbide and nitride, boron carbide and nitride, chromium oxide), which are produced by different processes (eg electroplating, thermal spraying, PVD, CVD), also with the formation of
- Interlayers can be applied.
- the housing as a non-stick surface a
- the aluminum oxide protective layer in the sense of the invention is a ceramic non-stick surface. This can be applied by way of example by a powder plasma spraying. In this case, by way of example, e.g. 50 ⁇ - ⁇ ⁇ thick aluminum oxide protective layer can be applied as an additional electrically insulating layer. After coating, the non-stick surface is preferably in the hot state by silicates such. Water glass sealed in order to eliminate the possibly hygroscopic property of the aluminum oxide protective layer, by which the electrical breakdown strength at high
- the sprayed aluminum oxide protective layer can be ground and / or polished in order to counteract a still possible adhesion to a rough surface. Due to the electrical insulation is the
- the housing may have as an anti-adhesion surface a Aluminiumiunntik, which can be applied by way of example by a wire arc spraying, wherein the aluminum layer may have a thickness of, for example, ⁇ ⁇ .
- This layer can then be transformed into one by the MAO (Micro-Are Oxidation) or PEO (Plasma-Electrolytic Oxidation) process
- Alumina protective layer can be converted into an Al 2 O 3 ceramic layer, for example, which is electrically insulating and additionally prevents the adhesion of spray dust with simultaneous heat protection.
- the housing may also be formed of a heat-resistant aluminum material instead of the brass. This is advantageous as the
- Thermal conductivity is significantly increased compared to brass, so that the flowing process gases can cool the housing inside better.
- the radiant and convection heat on the other hand can not get over the surface of the spindle and the burner into the interior of the components as quickly as
- Non-stick surface exterior e.g. an oxidic ceramic coating e.g. applied by powder plasma spraying.
- an electrically insulating coating e.g. by the so-called MAO (Micro-Are Oxidation) or e.g. the PEO (plasma electrolytic oxidation) method with a e.g. 50 ⁇ thick titanium oxide thermal barrier coating are applied. Subsequently, these can
- Nonstick surfaces are sanded and polished.
- the housing and / or the spindle can have a zirconium oxide protective layer as the non-stick surface.
- the zirconia protective layer has one more in addition to the anti-sticking property
- Adhesion of sprayed dust on the preferably ground and / or polished non-stick surface is reduced.
- the housing may have an aluminum nitride protective layer as the non-stick surface. Due to the advantageous
- the non-stick surface is made on the outermost layer by suitable surface finishing.
- suitable surface finishing the different special properties of the respective coating materials can be combined in a technically meaningful way.
- aluminum oxide protective layer can be applied to soft by another powder plasma spraying a e.g. ⁇ ⁇ - 200 ⁇ thick tungsten carbide cobalt coating layer is applied.
- the aluminum oxide protective layer provides additional electrical and thermal insulation
- non-stick surface Finishing created the non-stick surface.
- additional electrically and thermally acting insulation can also be achieved by other materials, for example zirconium oxide or aluminum oxide-zirconium oxide mixtures.
- zirconium oxide or aluminum oxide-zirconium oxide mixtures In place of the exemplary tungsten carbide cobalt cap layer, others may be used to form the non-stick surface
- Diamond, silica, and especially silicon carbide coatings which are deposited as thin films on the already surface-treated protective layer by suitable methods (e.g., PVD, CVD), have also been found to be advantageous
- the housing is designed predominantly round.
- the housing is flattened, wherein an oblique transition merges into a plane in which the nozzle ring or the nozzle opening is arranged.
- the consistent maintenance of the circular in cross-section housing avoids a blade effect, ie entrainment of the located in a cylinder bore process gases or air, whereby a negative influence of the blade effect on the, in the direction of the surface to be coated particles to be transported is significantly reduced.
- flow-optimized surface shape also affects reduced deposits on the housing and also favors the subsequent
- the at least one insulation element is designed, for example, as a nozzle ring.
- the nozzle ring is preferably made of a ceramic, more preferably of a
- High-performance ceramic formed and acts electrically and thermally insulating between the housing and a wire guide.
- the nozzle ring is the only external insulator in the otherwise metallic outer shape of the entire device or the
- the function of the nozzle ring can also be used as an extension of a
- the nozzle ring is funnel-shaped and extends from an outer ring in the direction of a central opening. It is also possible to perform the nozzle ring sleeve-like with a projecting away from a contestflansch wall portion. It is also possible to provide a funnel-shaped section on which a wall section extending away from it is arranged.
- the nozzle ring may be one-piece or multi-piece, preferably ceramics such as e.g. Silicon nitride, aluminum nitride, boron nitride,
- the nozzle ring is at least at its polished surface oriented away from the cathode, more preferably polished to avoid buildup.
- Aluminum nitride can be achieved in order to avoid and / or remove reflected and / or deflected particles. Due to the particularly high thermal conductivity and the relatively high temperature resistance of
- Aluminum nitride quickly removes the heat from the reflected and / or deflected particles impinging on the polished nozzle ring surface so that the particles solidify without causing local defects in the aluminum nitride. A mechanical clamping of the particles is avoided by the surface texture.
- the nozzle ring is designed in several parts and has partially inside a non-stick and / or insulating layer.
- the nozzle ring is made in one piece and has partially inside and outside on a non-stick and / or insulating layer.
- the nozzle ring is multi-part and has an extended configuration.
- the nozzle ring is in one piece and has a prolonged configuration.
- the nozzle ring is made in one piece as a protective gas nozzle with holes in the middle in one plane.
- the nozzle ring is in one piece as a protective gas nozzle with holes tangential in one plane.
- the nozzle ring is in one piece as a protective gas nozzle with holes tangentially in several levels.
- the nozzle ring is in one piece as a protective gas nozzle with slot and holes tangentially in several levels.
- the nozzle ring is in several parts as a protective gas nozzle with slot and tangential
- a protective gas flow is introduced in order to avoid and / or remove reflected and / or deflected particles, wherein the
- Protective gas flow is generated around the spray jet around continuously and / or pulsed.
- the process gases can be used, wherein in particular the secondary gas can be supplied as a protective gas. It is also possible to supply gases other than process gases, e.g. Air, argon or other gases.
- the protective gas flow can be through the middle
- slot nozzles and / or slot nozzles with centrally and / or tangentially arranged holes in one or more planes of the nozzle ring are used. Furthermore, to stabilize the protective gas flow, the flow through slot nozzles and / or slot nozzles with centrally and / or tangentially arranged holes in one or more planes of the nozzle ring. Furthermore, this can be done by slot nozzles with labyrinth with centrally arranged holes / slots and / or tangentially arranged holes / slots to stabilize the protective gas flow.
- the devices having the non-stick surface are cleaned.
- the burner head and the spindle can be blown off with a linear and rotating movement in front of an air nozzle, so that, for example, electrostatically adhering dusts can be removed from the housings.
- the device to remove any adhering dusts, even before a fan nozzle rotating or by a
- Ring air nozzle to be moved linearly.
- not only air preferably compressed air can be used. It is possible to clean the device with carbon dioxide (similar to snow blasting), nitrogen and / or argon.
- process-stable coating process can be achieved because the device, in particular the housing is additionally cooled specifically before a renewed coating process is performed.
- the ceramic nozzles or preferably the nozzle ring, freed from dust residues, for which example is blown with an annular air nozzle against the ceramic nozzles.
- the process gases flow through the nozzle openings during the cleaning operations, including during the cleaning of the burner head housing, with possibly different parameters.
- the nozzle opening could be closed by way of example with a sealing element, for example with a rubber stopper of only 2 mm diameter, for example.
- the sealing element is naturally adapted to the nozzle opening to prevent ingress of spray dust or other harmful media.
- the cleaning device is arranged on the carrier module (that is to say on a robot arm, for example), which is the one to be coated
- Surface e.g. carries the engine block with the cylinder liners to be coated.
- the device can be moved out of the coated bore.
- the carrier module moves with its cleaning device, so preferably with its blower along the device up and down, with the device rotates at low speed. It may be auseichend if the device is already cleaned after a revolution, which of course several revolutions around its own axis are possible.
- the invention provides a device for coating surfaces, in particular for internal coating cylinder liners with low
- Diameters ( ⁇ 60mm) of internal combustion engines which is rotatable about its axis and in a running as anode melting wire system a high order rate with a long service life and correspondingly reduced maintenance costs stable even just small bore diameter inside (rotating single-wire arc syringes).
- ⁇ 60mm Diameters ( ⁇ 60mm) of internal combustion engines, provided, which is rotatable about its axis and in a running as anode melting wire system a high order rate with a long service life and correspondingly reduced maintenance costs stable even just small bore diameter inside (rotating single-wire arc syringes).
- wires not only solid wires, but also cored wires can be melted off.
- the necessary for reliable operation electrical and thermal insulation are within the otherwise metallic outer casing (also the preferred brass is referred to as metallic in the context of the invention) of the entire
- Fig. 1 is an exploded view of a device for thermal
- Coating a surface, 1 a is a sectional view through a device according to FIG. 1
- FIG. 2 shows a nozzle ring as a detail, in the first embodiment
- FIG. 3 shows a nozzle ring as a detail, in a second embodiment
- Fig 1 1 possible designs for a protective gas flow.
- FIGS. 2 and 3 the components there are each shown perspectively from both sides, that is to say from an underside and from an upper side.
- FIGS. 7 to 11 each show a cross section and a top view.
- FIG. 1 shows a device 1 for thermally coating a surface.
- the device 1 can also be referred to as burner 1, which is suitable for the thermal coating of a cylinder bore of smaller diameter of less than 60 mm.
- burner 1 is suitable for the thermal coating of a cylinder bore of smaller diameter of less than 60 mm.
- an arc is ignited, which melts the spray additive, wherein molten material is transported to the surface to be coated.
- two gases are used namely primary gas and secondary gas.
- the primary gas has the task, the
- the primary gas additionally has cooling functions
- the secondary gas has a dual function.
- the secondary gas should support the transport of the molten particles and further atomize and accelerate the particles.
- the secondary gas has a cooling function, which will be discussed later.
- the primary gas may be argon, nitrogen, a mixture of inert gases or a mixture of the exemplary gases with hydrogen and / or helium.
- the secondary gas can be air or compressed air be. It is also possible that argon, nitrogen or other inert gases are used as secondary gas.
- the gases exemplified are not intended to be limiting.
- the device 1 may comprise a head part 2, for example a connector 3 as
- Coating a cylinder bore rotates the device around itself while being linearly reciprocated.
- a linear movement of the component to be coated can take place.
- the device 1 for thermal coating of a surface comprises a two-part housing 6 with a main element 7 and a cover element 8, a cathode 9, a primary gas distributor 11, a
- Secondary gas distributor 12 electrically and thermally acting insulation elements 13,14, and 16, and an anode which is formed as a melting wire is guided via a wire guide in a secondary gas 19, wherein a
- Primary gas nozzle 21 is mounted centered parallel to the secondary gas distributor 12 to the primary gas distributor 1 1, and on its side oriented to the secondary gas 19 side 22 in a plane radially arranged openings, so holes or slots.
- Target is when the isolation elements exemplified by several
- the nozzle ring 13 is formed of a ceramic, preferably of a high-performance ceramic and acts electrically and thermally insulating between the housing 6 and the wire guide.
- the nozzle ring 13 is the only outer insulator in the otherwise metallic outer shape of the entire device or of the housing 6.
- the nozzle ring 13 is funnel-shaped and extends from an outer ring 24 in the direction of a central opening 25 ( Figure 2). It is also possible to design the nozzle ring 13 like a sleeve (FIG. 3) with a wall section 27 extending away from a base flange 26, so that a nozzle ring 13 is formed in an extended configuration.
- the nozzle ring 13 is polished in both embodiments, at least on its away from the cathode 9 outer surface 28, preferably highly polished to avoid buildup.
- the nozzle ring 13 may be one-piece or multi-piece, preferably ceramics such as. Silicon nitride, aluminum nitride, boron nitride, zirconium oxide, aluminum oxide, ATZ or ZTA can be used for producing the nozzle ring.
- the nozzle ring 13 is designed in several parts and has partially inside a non-stick and / or insulating surface or layer 29 ( Figure 4).
- the nozzle ring 13 is made in one piece and has partially on the inside and outside of a non-stick and / or insulating surface or layer 29.
- the nozzle ring 13 is multi-part and has an extended configuration (FIG. 5).
- the nozzle ring 13 is in one piece and has an extended configuration (FIG. 6).
- the nozzle ring 13 is designed in one piece as a protective gas nozzle with bores 30 in the middle in one plane (FIG. 7).
- the nozzle ring 13 is in one piece as a protective gas nozzle with holes 30 tangentially in a plane ( Figure 8).
- the nozzle ring 13 is in one piece as a protective gas nozzle with holes 30 tangentially in several planes (Figure 9).
- the nozzle ring 13 is in one piece as a protective gas nozzle with slot 31 and holes 30 tangentially in several planes (Figure 10).
- the nozzle ring 13 is in several parts as Schutzgasdüse with slot 31 and tangential labyrinth holes 32 ( Figure 1 1).
- a protective gas flow is introduced into the nozzle opening 33 in order to avoid and / or remove reflected and / or deflected particles, wherein the protective gas flow around the spray jet is generated continuously and / or pulsed.
- the nozzle opening 33 is arranged in the flattened part of the housing 6, so its main element 7 and is also defined by the surface 28 of the nozzle ring 13.
- the spray jet exits from the nozzle opening 33.
- the process gases can be used, which only need to be branched off, wherein in particular the secondary gas can be supplied as a protective gas.
- the protective gas flow can be carried out by centrally disposed bores 30 and / or tangentially arranged bores 30 in one or more planes of the nozzle ring 13. Furthermore, to stabilize the protective gas flow, the flow through slot nozzles 31 and / or slot nozzles 31 with centrally and / or tangentially arranged holes 30 in one or more planes of the nozzle ring 13 take place. Furthermore, the
- the protective gas effectively acts as a protective shield to protect the surface 28, which protects the surface 28 of the nozzle ring 13, ie, the nozzle opening 33, from deposition of said particles.
- the housing 6 is designed, for example, in two parts with the main element 7 and the cover element 8, which benefits the ease of maintenance. As can be seen, the housing 6 is designed predominantly round. Only in the area of the nozzle opening 33 is the circle seen in cross-section Design of the housing 6, so the main element 7 repealed. Here, the housing 6 is flattened, wherein an oblique transition merges into a plane in which the nozzle ring 13 and the nozzle opening 33 is arranged.
- the lid member 8 is connected to the main element 7 to the housing 6 by means
- the housing 6 is preferably formed from a brass, and has a
- the non-stick surface 36 may be configured so that the material of the housing 6 is polished to reduce the roughness, which counteracts deposition on the housing 6. The same applies to the spindle, not shown in the figures.
- the housing 6 may also have a coating of metallic or preferably ceramic type as the non-stick surface 36.
- the non-stick surface 36 is applied by way of example as a coating.
- FIG. 1 a shows, by way of example, an anti-adhesion surface 36 of the main element 7, wherein a nozzle ring can not be recognized.
- cover element 8 a non-stick surface
- the invention provides a rotating single-wire injection device 1, with which cylinder bores of smaller diameter can also be coated.
- the arc to be ignited ignites directly between the cathode and anode, ie on the wire, and not as known devices between cathode and plasma gas nozzle, in which especially at higher currents by the influence of the arc, the life was reduced.
- the primary gas nozzle 21 is cooled by the secondary gas, which is why the openings, so slots are provided.
- the nozzle ring 13 is virtually the only external insulator in the otherwise metallic outer shape of the entire device or of the housing.
- the wire guide is completely incorporated with its components within the housing 6, so in the main element 7, so that external protection measures can be omitted.
- Figure 1 are still sealing elements 35 can be seen.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013200067.7A DE102013200067A1 (de) | 2013-01-04 | 2013-01-04 | Vorrichtung zum thermischen Beschichten einer Oberfläche |
| PCT/EP2013/077414 WO2014106591A1 (de) | 2013-01-04 | 2013-12-19 | Vorrichtung zum thermischen beschichten einer oberfläche |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2941493A1 true EP2941493A1 (de) | 2015-11-11 |
| EP2941493B1 EP2941493B1 (de) | 2018-10-17 |
Family
ID=49880774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13811944.1A Active EP2941493B1 (de) | 2013-01-04 | 2013-12-19 | Vorrichtung zum thermischen beschichten einer oberfläche |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10060020B2 (de) |
| EP (1) | EP2941493B1 (de) |
| CN (1) | CN105051241B (de) |
| DE (1) | DE102013200067A1 (de) |
| WO (1) | WO2014106591A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013200067A1 (de) | 2013-01-04 | 2014-07-10 | Ford-Werke Gmbh | Vorrichtung zum thermischen Beschichten einer Oberfläche |
| EP3434804B1 (de) * | 2016-03-23 | 2020-02-12 | Nissan Motor Co., Ltd. | Pistole für thermisches spritzen |
| DE102019126115A1 (de) | 2019-09-27 | 2021-04-01 | Gebr. Heller Maschinenfabrik Gmbh | Lichtbogenbrenner und Verfahren zur Beschichtung von Metalloberflächen |
| DE102021113514A1 (de) | 2021-05-26 | 2022-12-01 | Gebr. Heller Maschinenfabrik Gmbh | Vorrichtung und Verfahren zum Erzeugen eines Metallsprays |
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| US3055591A (en) | 1959-07-29 | 1962-09-25 | Metco Inc | Heat-fusible material spray equipment |
| JPS61245978A (ja) | 1985-04-25 | 1986-11-01 | Toyota Motor Corp | セラミツク被覆ト−チノズルおよびその製造方法 |
| CN1242720A (zh) | 1997-02-14 | 2000-01-26 | 福特环球技术公司 | 改进的等离子体转移金属丝弧热喷镀装置及方法 |
| US5808270A (en) * | 1997-02-14 | 1998-09-15 | Ford Global Technologies, Inc. | Plasma transferred wire arc thermal spray apparatus and method |
| DE19922161A1 (de) * | 1998-05-18 | 1999-12-09 | Fraunhofer Ges Forschung | Anti-Haft-Beschichtung und Verfahren zu ihrer Herstellung |
| CN1153629C (zh) * | 1999-07-29 | 2004-06-16 | 迈托斯普瑞国际公司 | 热喷镀设备 |
| US6498316B1 (en) * | 1999-10-25 | 2002-12-24 | Thermal Dynamics Corporation | Plasma torch and method for underwater cutting |
| FR2807912B1 (fr) * | 2000-04-17 | 2003-06-27 | Lasers Et Tech Avancees Bureau | Procede et torche a plasma pour traiter une surface dans une cavite, et installation de remplissage bouchage s'y rapportant |
| US6372298B1 (en) | 2000-07-21 | 2002-04-16 | Ford Global Technologies, Inc. | High deposition rate thermal spray using plasma transferred wire arc |
| US6732298B1 (en) | 2000-07-31 | 2004-05-04 | Hewlett-Packard Development Company, L.P. | Nonmaskable interrupt workaround for a single exception interrupt handler processor |
| US6610959B2 (en) | 2001-04-26 | 2003-08-26 | Regents Of The University Of Minnesota | Single-wire arc spray apparatus and methods of using same |
| US6706993B1 (en) | 2002-12-19 | 2004-03-16 | Ford Motor Company | Small bore PTWA thermal spraygun |
| US20070045258A1 (en) * | 2005-08-30 | 2007-03-01 | Tsunehiko Yamazaki | Nozzle polishing device in laser processing machine |
| DE102006023483A1 (de) * | 2006-05-18 | 2007-11-22 | Linde Ag | Vorrichtung zum Kaltgasspritzen |
| DE102007017513A1 (de) * | 2007-04-13 | 2008-10-16 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung zum Beschichten von Bauteilen |
| WO2008125356A1 (de) | 2007-04-16 | 2008-10-23 | Innovaris Gmbh & Co. Kg | Expansionsdüse zum thermischen spritzen und verfahren zu deren herstellung |
| DE102008016041A1 (de) * | 2008-03-28 | 2009-01-02 | Daimler Ag | Vorrichtung |
| EP2236211B1 (de) | 2009-03-31 | 2015-09-09 | Ford-Werke GmbH | Thermisches Lichtbogenspritzsystem |
| DE102009023603A1 (de) | 2009-06-02 | 2010-12-09 | Daimler Ag | Absaugvorrichtung zum Absaugen von Abfallpartikeln beim thermischen Beschichten |
| DE102011002501A1 (de) | 2011-01-11 | 2012-07-12 | Ford-Werke Gmbh | Vorrichtung zum thermischen Beschichten einer Oberfläche |
| DE102013200067A1 (de) | 2013-01-04 | 2014-07-10 | Ford-Werke Gmbh | Vorrichtung zum thermischen Beschichten einer Oberfläche |
-
2013
- 2013-01-04 DE DE102013200067.7A patent/DE102013200067A1/de not_active Withdrawn
- 2013-12-19 WO PCT/EP2013/077414 patent/WO2014106591A1/de not_active Ceased
- 2013-12-19 US US14/759,152 patent/US10060020B2/en active Active
- 2013-12-19 CN CN201380069617.2A patent/CN105051241B/zh active Active
- 2013-12-19 EP EP13811944.1A patent/EP2941493B1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2014106591A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2941493B1 (de) | 2018-10-17 |
| DE102013200067A1 (de) | 2014-07-10 |
| CN105051241B (zh) | 2021-07-20 |
| WO2014106591A1 (de) | 2014-07-10 |
| US10060020B2 (en) | 2018-08-28 |
| CN105051241A (zh) | 2015-11-11 |
| US20150376759A1 (en) | 2015-12-31 |
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