WO2000037706A1 - Procede de revetement thermique d'une surface d'un compartiment interne et dispositif correspondant - Google Patents

Procede de revetement thermique d'une surface d'un compartiment interne et dispositif correspondant Download PDF

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Publication number
WO2000037706A1
WO2000037706A1 PCT/EP1999/009481 EP9909481W WO0037706A1 WO 2000037706 A1 WO2000037706 A1 WO 2000037706A1 EP 9909481 W EP9909481 W EP 9909481W WO 0037706 A1 WO0037706 A1 WO 0037706A1
Authority
WO
WIPO (PCT)
Prior art keywords
interior
cylinder
gas stream
coating
coated
Prior art date
Application number
PCT/EP1999/009481
Other languages
German (de)
English (en)
Inventor
Udo Schlegel
Reinhard Vogelsang
Original Assignee
Volkswagen Aktiengesellschaft
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
Priority claimed from DE19929247A external-priority patent/DE19929247A1/de
Application filed by Volkswagen Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Priority to DE59904503T priority Critical patent/DE59904503D1/de
Priority to EP99959377A priority patent/EP1147240B1/fr
Publication of WO2000037706A1 publication Critical patent/WO2000037706A1/fr

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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
    • C23C4/14—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying for coating elongate material
    • C23C4/16—Wires; Tubes

Definitions

  • the invention relates to a method for the thermal coating of a surface of an interior with the features mentioned in the preamble of claim 1 and an arrangement with the features mentioned in the preamble of claim 8.
  • thermal coating for example a plasma coating
  • a coating material in particular a metal, in powder or rod form is fed to a flame, melted in it and deposited on the surface to be coated.
  • coatings with different properties in particular with desired sliding properties, hardness properties, layer thicknesses or the like, can be achieved.
  • a thermal coating of this type for example for a surface coating on cylinder running surfaces of crankcases of internal combustion engines or of bearing areas of connecting rod eyes.
  • a defined oxidation of a part of the coating material is desired in order to include defined oxides in the resulting coating and thus to achieve a certain ductility of the layer.
  • the oxidation depends in particular on the coating material used, on the composition of the gas stream and on the coating atmosphere during coating.
  • the coating atmosphere influences the microhardness on the one hand by the enclosed oxides and on the other hand the enclosed pores, which are created by air / oxygen inclusions. This porosity is partially desirable, for example to form a Micro pressure chamber system, for binding a lubricant film in a plain bearing or on cylinder surfaces.
  • the formation of the oxides essentially depends on an oxygen content in the coating atmosphere.
  • the invention has for its object to provide a method of the generic type, by means of which a defined generation of a protective gas atmosphere is possible in a simple manner and to provide an arrangement for simple implementation of the method.
  • this object is achieved by a method having the features mentioned in claim 1. Because the surface to be coated is acted upon by a second gas stream containing only an inert gas, in particular nitrogen, which is directed approximately parallel to the surface to be coated, a quasi protective gas atmosphere can be created via this second gas stream, in particular during the melting process during the impact of the melted coating material on the surface to be coated, can be set exactly.
  • a quasi protective gas atmosphere can be created via this second gas stream, in particular during the melting process during the impact of the melted coating material on the surface to be coated, can be set exactly.
  • the volume flow of the second gas flow can be set variably. This makes it advantageous possible to set exact atmospheric oxygen ratios on the surface to be coated in accordance with the circumstances, in particular the properties of the surface to be coated and / or the properties of the coating material and / or a coating temperature and / or a composition of the first gas stream and / or a purge air, so that the desired amount and the desired size of the oxides and pores to be included in the coating are adjustable.
  • metering the second gas flow it can be achieved that a difference between the elasticity modules of the coating and the material of the surface to be coated can be adjusted to one another within certain limits, in particular a predefinable difference between the elasticity modules can be adjusted.
  • an inert gas possibly exclusively nitrogen, is used as the first gas stream flanking the burner flame.
  • the second gas stream is flushed into the interior from above the surface to be coated, the second gas stream preferably being introduced uniformly distributed over the entire surface.
  • the second gas stream is continuously passed into all the interior spaces to be coated, while the supply of the coating material during the transfer of the burner from one interior to be coated is interrupted to the next interior to be coated.
  • a targeted protective gas atmosphere can be set in the interior during the thermal coating.
  • the atmosphere can thus be influenced both via the first gas stream, the purge air and the additional second gas stream.
  • the device for supplying the second gas stream consists of a line system which preferably encompasses the mouths of the interior spaces having the surfaces to be coated, the second gas stream can be directed into the interior spaces in a simple manner.
  • the device for supplying the second gas stream is arranged on a cover template, by means of which the workpieces to be coated, in particular the cylinder crankcase, are covered, this additional device can be precisely positioned in a simple manner , wherein the positioning of the device for supplying the second gas flow takes place simultaneously through the defined positioning of the cover template. Additional adjustment steps are therefore not necessary. Furthermore, it can be achieved in a simple manner that the device is assigned directly to the interiors to be coated, so that the second gas stream is reliably introduced. Furthermore, it is provided in a preferred embodiment of the invention that the cover template carrying the additional device has a minimum height which is selected such that the coating material is supplied to the burner flame within the cover template during thermal coating.
  • Figure 1 is a schematic view of a processing station for the thermal coating of cylinder surfaces in a cylinder crankcase
  • FIG. 2 shows a schematic side view of a processing section of the processing station
  • FIG. 3 shows a schematic plan view of the processing section according to FIG. 2;
  • Figure 4 is a perspective view of a cover template
  • Figure 5 is a perspective sectional view of a
  • FIG. 1 schematically shows a processing station 10 for the thermal coating of cylinder running surfaces of cylinder crankcases 12. Only one cylinder crankcase 12 is indicated in each case, this also only having indicated cylinder bores 14, here four.
  • the walls delimiting the cylinder bores 14, that is to say the cylinder running surfaces, are to be coated.
  • the coating is done using a plasma coating technique.
  • the connecting rod eyes can also be coated by means of the processing station 10.
  • the machining station is then structurally adapted to the special features of connecting rod eyes.
  • the cylinder crankcases 12 are moved through the processing station 10 by means of a transport path 16, for example a roller conveyor or the like.
  • the processing station 10 comprises processing sections 18, 20, 22, 24, 26, 28, 30, 32, 34 and 36. The individual processing sections will be briefly discussed below.
  • FIG. 1 details such as drives, locks, inlets and outlets for gases, electrical energy or other media, control and monitoring devices or the like have been omitted for reasons of clarity.
  • the processing section 18 comprises a feed station at which the cylinder crankcases are transferred to the processing station 10.
  • the cylinder crankcase 12 are already manufactured in a manner not to be considered in detail here and are mechanically finished with all the necessary functional elements, such as cylinder bores, coolant channels, fitting bores or the like, with the exception of a final arbitration of surfaces.
  • the processing section 20 comprises a washing or cleaning station, within which the cylinder crankcases are completely washed free of chips and oil. Furthermore, the cylinder running surfaces to be coated are dried and degreased absolutely. The absence of chips and oil is achieved, for example, by an injection flood wash, with critical areas, such as undercuts, bores, cavities or the like, being cleaned at high pressure by targeted injection of a wash liquor. Degreasing takes place, for example, by superheated steam, which is introduced, for example, by appropriately designed lances onto the cylinder running surfaces of the cylinder crankcase 12.
  • the superheated steam for example, has a temperature of 130 to 160 ° C and is introduced at a pressure of approximately 150 to 180 mbar.
  • the subsequent drying of the The cylinder crankcase is preferably under vacuum, for example at a negative pressure of 80 to 120 mbar.
  • the previously cleaned and dried cylinder crankcase 12 is provided with a cover template 38.
  • the cover template 38 has openings 40 indicated here.
  • the openings 40 are aligned with the cylinder bores 14, so that when the cover template 38 is applied, the cylinder bores 14 remain accessible from above through the openings 40.
  • the openings 40 are preferably slightly larger than the cylinder bores 14, so that an edge of the surface surrounding the cylinder bores 14 (cylinder head surface) is exposed.
  • the cover template 38 is designed such that all other areas of the cylinder crankcase 12 are covered by the latter. This applies in particular to coolant channels, fitting bores or the like.
  • the cover template 38 can be placed on the cylinder crankcase 12 manually or by a corresponding gripper or the like.
  • the cover template 38 has an exact flat underside, which rests on the cylinder head surface of the cylinder crankcase 12 that has already been milled flat.
  • this can have fixing pins, not shown in detail here, which engage, for example, in fitting holes provided anyway in the cylinder crankcase 12, for example for later attachment of a cylinder head.
  • the cover template 38 is made of a material that is resistant to the subsequent processing. In particular, this has a sufficiently high strength against a sandblast attack and against a plasma treatment.
  • the cover template 38 here lies only on the cylinder crankcase 12 due to its own weight.
  • Sandblasting of the cylinder bores 14 takes place in the machining section 24. This sandblasting is carried out in order to achieve a roughness of the cylinder running surfaces so that the plasma coating taking place in the machining section 32 obtains the necessary adhesive tensile strength.
  • at least one jet lance possibly two or more jet lances, is injected into the at the same time or in succession Cylinder bores 14 introduced. The lances reach through the openings 40 of the cover template 38.
  • Sandblasting is carried out, for example, with aluminum oxide Al 2 O 3 with a grain size of 0.3 to 1.18 mm, depending on the surface roughness required, based on the respective substrate roughness or adhesive tensile strength of the subsequent plasma coating.
  • the sandblasting is preferably carried out using a double sandblasting unit which has two sandblasting lances.
  • the simultaneous sandblasting of the cylinder bores 1 and 3 takes place, that is to say cylinder bores 14 which are not immediately adjacent. This makes better handling possible in the case of relatively cramped available space conditions, which depend on the pitch of the cylinder bores 14.
  • the processing time per cylinder crankcase is halved. If the cylinder bores 1 and 3 are blasted, either the cylinder crankcase 12 or the sandblasting unit is moved by the pitch of the cylinder bore 14, so that the cylinder bores 2 and 4 can then be sandblasted.
  • the sandblasting takes place through the openings 40 of the cover templates 38, that is, the blasting lances are introduced through the cover template 38 into the cylinder bores 14. All other areas of the cylinder crankcase 12 are protected by the cover template 38 so that they do not come into contact with the sandblasting agent applied under pressure, so that the surfaces thereof are not impaired in any way.
  • the action of the sandblasting takes place exclusively on the cylinder running surfaces of the cylinder bores 14.
  • the sandblasted cylinder crankcase 12 is then cleaned in the machining section 26 by removing dust, in particular very fine dust, from the cylinder bores 14 by the sandblasting.
  • This can be done, for example, by cleaned (particle-free), de-oiled and water-free compressed air, for example with a pressure of approximately 5 to 6 bar, with simultaneous suction of the dusts.
  • all cylinder bores 14 are cleaned, that is, blown out and suctioned out, at the same time.
  • the cylinder crankcase 12, in particular the cylinder bores 14, is measured for dimensional accuracy.
  • a roughness measurement of the cylinder running surfaces can be carried out.
  • the measurement can be carried out fully automatically by means of suitable devices, for example photogrammetry.
  • a measurement of all cylinder bores 14 or only one of the cylinder bores 14 or a cylinder bore 14 can be carried out on a random basis every nth cylinder crankcase 12 take place.
  • the cylinder crankcases are transferred to the machining section 32, in which the actual thermal coating of the cylinder running surfaces takes place.
  • the plasma coating is carried out in a manner known per se, in that a coating material, in particular a metal, is fed to a flame, melted out in the flame and deposited on the cylinder running surfaces. In addition to the coating material, a coating atmosphere is also created.
  • the plasma coating of the cylinder running surfaces can be carried out individually for each of the cylinder bores 14 or, similarly to sandblasting, by means of a double plasma unit, by means of which the cylinder bores 1 and 3 and then the cylinder bores 2 and 4 are coated first.
  • the covering template 38 located on the cylinder crankcase 12 reliably prevents impairment, in particular contamination, of areas of the cylinder crankcase 12 that are not to be coated. The plasma coating will be discussed in more detail with reference to FIGS. 4 and 5.
  • the cylinder crankcases are transferred to the processing section 34.
  • This can optionally be part of a cooling zone.
  • a separate cooling zone is provided between the plasma coating in the processing section 32 and the processing section 34.
  • the cover template 38 is removed. This is removed from the cylinder crankcase 12 either manually or by auxiliary devices. Since the cover template 38 rests only on the cylinder crankcase 12 due to its own weight, additional measures for removing the cover template 38 are not necessary. Finally, the cylinder crankcase 12 is removed in a machining section 36 of the machining station 10 and subjected to further machining, for example honing the plasma-coated cylinder bores 14 and an attachment of an inlet chamfer to the cylinder bores 14 are supplied.
  • the cylinder crankcase 12 can be marked in the section 36.
  • the cylinder crankcase 12 is marked, for example, by a serial number or the like.
  • the openings 40 of the cover template 38 are slightly larger than the cylinder bores 14, so that a corresponding edge coating of the edge regions of the cylinder crankcase 12 surrounding the cylinder bores 14 takes place. It is hereby advantageously achieved that the later chamfer area has a correspondingly high adhesive tensile strength against cutting forces of the chamfering tool and the plasma coating is not damaged during the chamfering.
  • the covering templates are applied in the processing section 22 and removed in the processing section 34.
  • the covering templates 38 used in accordance with this exemplary embodiment must therefore be suitable both for sandblasting in the processing section 24 and for plasma coating in the processing section 32. Since on the one hand it is a material-removing process and on the other hand it is a material-applying process, the cover template 38 has to do justice to both mutually opposing processes.
  • the stenciling of the cylinder crankcase 12 is illustrated in a further exemplary embodiment with reference to FIGS. 2 and 3.
  • a schematic side view and a schematic top view of the processing sections 24 or the processing section 32 are shown.
  • the basic structure within the processing sections 24 and 32 is the same.
  • the only differences are the sandblasting devices as tools and the plasma coating devices as tools.
  • the stenciling of the cylinder crankcase 12 is decisive both in the case of sandblasting in the machining section 24 and in the case of plasma coating in the machining section 32.
  • a cylinder crankcase 12 is arranged on a lifting table 42.
  • the lifting table 42 is integrated in the transport path 16. This is done in such a way that the cylinder crankcase 12 is transported by means of the transport path 16 into the respective processing sections 24 and 32 and can be transferred there into its respective processing position by means of the lifting tables 42.
  • a machining tool 44 each having a lance or, according to the exemplary embodiments already explained, two or more lances 46.
  • the lances 46 are designed accordingly either for sandblasting in the processing section 24 or for plasma coating in the processing section 32.
  • the processing stations 24 and 32 further comprise a device, designated here overall with 50, for stenciling the cylinder crankcase 12.
  • the stenciling takes place here in a processing-related manner on the one hand in the processing station 24 and on the other hand in the processing station 32.
  • the device 50 comprises a turntable 52, which can be rotated about its axis of rotation 56 in defined steps by means of a drive 54.
  • the turntable 52 has, as the schematic plan view in FIG. 3 better illustrates, receptacles 58 for one cover template each. From the top view it is clear that the cover templates 38 only have the openings 40, which are each assigned to the cylinder bores 14.
  • the turntable 52 can be rotated step by step in a defined manner by means of the drive 54.
  • the device 50 is assigned an indicated cleaning device 62, which can have, for example, a milling cutter 64 or a sleeve insertion and ejection station.
  • suction devices 66 and 68 which are indicated here, are also provided.
  • the device 50 shown in FIGS. 2 and 3 has the following function:
  • Exactly one cover template 38 is always brought into a processing position by means of the drive 54.
  • the cover template 58 has reached its exact position, which is defined by the stops 60, the cylinder crankcase 12 is moved upward, that is to say against the cover templates 38, by means of the lifting table 42.
  • the openings in the cover template 38 and the cylinder bores 14 of the cylinder crankcase 12 come into an aligned position.
  • either tools are used for sandblasting in accordance with processing section 24 or plasma coating in accordance with processing section 32.
  • a cover template 38 As illustrated in FIG. 3, at the moment when a cover template 38 is in its processing position, viewed clockwise, a next cover template 38 is in a transition position and a cover template 38 is in a position assigned to the cleaning device 62. Another cover template 38 is located between the cleaning position and the processing position. It is hereby achieved that at the same time, when a cover template 38 assumes its covering function, a second cover template 38, namely this cover template 38 which is exactly offset by 180 °, is cleaned by means of the device 62.
  • the milling device 64 can, for example, restore the dimensions of the openings 40 of the cover templates 38. This can be impaired, for example, by deposits during the plasma coating. The dimensional accuracy of the openings can also be achieved by replacing the corresponding wear sleeves in the cover templates.
  • the turntable 52 is rotated through 90 ° in each case, so that each cylinder crankcase 12 is assigned a new (cleaned) cover template 38. This ensures a constant processing quality during sandblasting or plasma coating.
  • the arrangement of the cleaning device 62 can be dispensed with in the processing station 24, since there is no additional material application that could impair the dimensional accuracy of the openings 40.
  • covering templates 38 or wear sleeves that are no longer true to size can be replaced.
  • automatic stenciling of the cylinder crankcase 12 is possible in a simple manner.
  • the masking templates 38 can be positioned precisely, so that a constant quality can be achieved with sandblasting or with plasma coating.
  • the cover template 38 is assigned a device 70 for supplying a second gas stream during the plasma treatment in the processing section 32.
  • the device 70 consists of a line system 72 which can be acted upon via a connection 74 with the second gas stream.
  • the connection 74 can be connected to a source for the gas flow. In the present exemplary embodiment, it is assumed that nitrogen is used as the second gas stream.
  • the connection 74 can thus be connected to a nitrogen source. This connection to the nitrogen source can take place within the processing section 32.
  • the cover templates 38 according to the exemplary embodiment in FIG. 1 are also transported along with the cylinder crankcases 12 or whether the cover templates 38 according to the exemplary embodiment shown in FIGS. 2 and 3 are positioned within the processing section 32 relative to the cylinder crankcases 12, the corresponding connection option is also available the nitrogen source.
  • the line system 72 is of branched design, that is to say that individual line sections 76 encompass the openings 40 in the cover template 38.
  • the line sections 76 are ring-shaped so that the openings 40 are encompassed by the line system 72 over almost the entire circumference.
  • the line sections 76 running directly around the openings 40 have nozzle openings 78 (FIG. 5) which are arranged at a distance from one another over the circumference of the opening 40.
  • the distance and the size of the nozzle openings 78 is selected such that a selectable volume flow of nitrogen can emerge from the nozzle openings 78 in accordance with predetermined process parameters.
  • the nitrogen is preferably fed into the line system 72 in a pressure range between 2 and 5 bar depending on the required air sink rate.
  • FIG. 5 shows a schematic perspective view of a sectional view through a cylinder crankcase 12 in the region of a cylinder bore 14 to be coated.
  • the representation according to FIG. 5 corresponds to a just performed pias mabe slaughteren within the processing section 32.
  • the same parts as in previous figures are given the same reference numerals and not explained again.
  • the machining tool 44 comprises a torch shaft 80 which is arranged on the one hand vertically displaceable according to the double arrow 82 and on the other hand rotatable according to the arrow 84.
  • a feed 86 for a coating material is assigned to the burner shaft 80.
  • the coating material can, for example, be supplied in powder form, rod form or in another suitable manner.
  • a plasma flame 88 is formed by an electrically ignited arc with the supply of plasma gases, preferably argon or a mixture of argon, helium, nitrogen and hydrogen.
  • the plasma gases can be supplied within the torch shaft 80.
  • a firing temperature in this case reaches temperatures above 10,000 ° C, for example 15,000 to 30,000 ° C.
  • the coating material is introduced into the ignited plasma flame 88 via the feed 86.
  • the coating material is melted and the melted particles are accelerated to, for example, 80 to 150 m / s and deposited on the cylinder running surface of the cylinder bore 14 within a powder tail 90.
  • the burner shaft 80 rotates in accordance with arrow 84 and is displaced horizontally in accordance with double arrow 82.
  • a rotational speed is, for example, between 10 and 500 rpm, preferably between 100 and 300 rpm.
  • the plasma flame 88 is flanked by a first gas stream 92 which directs and guides the plasma flame 88. Furthermore, the burner shaft 80 is cooled by the first gas stream 92. The first gas stream 92 is made available via feeders 94 integrated in the burner shaft 80. This stream consists of nitrogen N 2 . Because outlet openings 96 for the first gas stream 92 are arranged on the burner shaft 80, the latter also rotates in accordance with the rotational speed. This ensures that the plasma flame 88 can be guided even when the plasma flame is rotating relatively rapidly.
  • a height h of the cover template 38 is selected such that the coating material is supplied in the region of the cover template 38 when the burner is immersed in the cylinder bore 14.
  • the burner itself remains switched on when changing between the cylinder bores 14 (reduction of electrode wear).
  • the flame is stabilized after the coating material has been supplied in the cover template, so that a homogeneous coating takes place starting with the edge of the cylinder openings 14.
  • This first gas stream 92 is overlaid by a second gas stream 98.
  • This second gas stream 98 is introduced into the cylinder bore 14 via the device 70 shown in FIG.
  • the gas stream 98 which also consists of nitrogen N 2 , is guided essentially parallel to the surface 14 to be coated.
  • inert gases for example argon, are also suitable.
  • oxidation of the coating material is achieved within precisely defined limits can be adjusted.
  • a porosity of the coating and a modulus of elasticity of the coating can thus be set according to the invention.
  • a difference can be set between the elasticity modules of the cylinder crankcase 12 and the coating.
  • the cylinder crankcase 12 is subjected to a vacuum by the suction 68 indicated in FIG. 2, so that an additional air purge with the air atmosphere is established.
  • This air rinsing has a flow rate (air sink rate) of 3 to 15 m / s, in particular 8 to 12 m / s, and is used for the targeted extraction of the overspray particles during the coating process.
  • This purge air is superimposed by the second gas stream 98. This is fed into the device 70 at a pressure of 2 to 5 bar, so that there is a sinking rate of the second gas flow of approximately 30% to 70% of the purge air.
  • a defined presence of atmospheric oxygen can be set on or shortly before the surface of the cylinder bore 14 to be coated.
  • This defined presence of atmospheric oxygen leads to the desired, defined setting of a modulus of elasticity in the coating and the desired inclusion of oxides and the formation of pores.
  • the plasma coating is reworked so that the enclosed pores are exposed on the surface, so that a micro-pressure chamber system is formed which, in a manner known per se, serves to lubricate a piston guided in the cylinder bores 14 .

Abstract

L'invention concerne un procédé de revêtement thermique d'une surface d'un compartiment interne, notamment de surfaces de glissement d'un cylindre, d'un carter d'embrayage de moteurs à combustion interne à l'aide d'une flamme déplacée produite par un brûleur et flanquée d'un premier flux gazeux incombustible. Un matériau de revêtement non oxydable est accéléré, chauffé par la flamme et déposé sur la surface, et le compartiment interne est soumis à l'action de l'air de balayage. La surface à revêtir est exposée à un deuxième flux gazeux contenant un gaz inerte, notamment de l'azote, ce flux gazeux étant dirigé sensiblement parallèlement à la surface à revêtir.
PCT/EP1999/009481 1998-12-18 1999-12-03 Procede de revetement thermique d'une surface d'un compartiment interne et dispositif correspondant WO2000037706A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE59904503T DE59904503D1 (de) 1998-12-18 1999-12-03 Verfahren zum thermischen beschichten einer fläche eines innenraumes und anordnung zur durchführung des verfahrens
EP99959377A EP1147240B1 (fr) 1998-12-18 1999-12-03 Procede de revetement thermique d'une surface d'un compartiment interne et dispositif correspondant

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE19860298.7 1998-12-18
DE19860298 1998-12-18
DE19929247.7 1999-06-25
DE19929247A DE19929247A1 (de) 1998-12-18 1999-06-25 Verfahren zum thermischen Beschichten einer Fläche eines Innenraumes und Anordnung zur Durchführung des Verfahrens
DE19934991.6 1999-07-26
DE19934991A DE19934991A1 (de) 1998-12-18 1999-07-26 Verfahren zum thermischen Beschichten einer Fläche eines Innenraumes und Anordnung zur Durchführung des Verfahrens

Publications (1)

Publication Number Publication Date
WO2000037706A1 true WO2000037706A1 (fr) 2000-06-29

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PCT/EP1999/009481 WO2000037706A1 (fr) 1998-12-18 1999-12-03 Procede de revetement thermique d'une surface d'un compartiment interne et dispositif correspondant

Country Status (3)

Country Link
EP (1) EP1147240B1 (fr)
CN (1) CN1293225C (fr)
WO (1) WO2000037706A1 (fr)

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DE10256460B4 (de) * 2001-12-03 2006-10-26 Nissan Motor Co., Ltd., Yokohama Verfahren zum Herstellen eines Produkts mit einem aufgesprühten Beschichtungsfilm und Sprühpistoleneinrichtung
WO2008031522A1 (fr) * 2006-09-15 2008-03-20 Thyssenkrupp Metalurgica Campo Limpo Ltda. Procédé de fabrication d'une bielle
WO2014106573A1 (fr) * 2013-01-04 2014-07-10 Ford-Werke Gmbh Procédé de revêtement thermique d'une surface
EP2488676B1 (fr) * 2009-10-14 2018-12-05 Bayerische Motoren Werke Aktiengesellschaft Moteur à combustion interne muni d'un carter de vilebrequin ainsi que procédé de fabrication d'un carter de vilebrequin

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EP2799152B8 (fr) * 2013-05-03 2016-02-24 Oerlikon Metco AG, Wohlen Dispositif de traitement destiné à traiter une surface de pièce
DE102019119466A1 (de) 2019-07-18 2021-01-21 Laser Zentrum Hannover E.V. Vorrichtung zur Laser-Strukturierung einer Oberfläche einer Durchgangsöffnung in einem Bauteil
CN111545999B (zh) * 2020-04-29 2021-09-14 中国第一汽车股份有限公司 一种用于缸孔等离子喷涂后缸孔口部倒角的工艺方法
CN111715489B (zh) * 2020-07-01 2022-07-05 矿冶科技集团有限公司 大尺寸筒形件可磨耗涂层喷涂方法
CN111715490B (zh) * 2020-07-01 2022-08-16 矿冶科技集团有限公司 大尺寸环形件可磨耗涂层喷涂方法
CN113913724B (zh) * 2021-09-23 2023-08-25 河北龙都管道制造有限公司 管道无缝金属防腐内衬的旋转式制备装置

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US3900639A (en) * 1972-11-07 1975-08-19 Siemens Ag Method for coating surfaces of a workpiece by spraying on a coating substance
WO1999005339A1 (fr) * 1997-07-28 1999-02-04 Volkswagen Aktiengesellschaft Procede de traitement thermique, notamment pour palier lisse

Cited By (6)

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Publication number Priority date Publication date Assignee Title
DE10256460B4 (de) * 2001-12-03 2006-10-26 Nissan Motor Co., Ltd., Yokohama Verfahren zum Herstellen eines Produkts mit einem aufgesprühten Beschichtungsfilm und Sprühpistoleneinrichtung
DE10262198B4 (de) * 2001-12-03 2010-11-25 Nissan Motor Co., Ltd., Yokohama-shi Verfahren zur Herstellung eines Produkts
WO2008031522A1 (fr) * 2006-09-15 2008-03-20 Thyssenkrupp Metalurgica Campo Limpo Ltda. Procédé de fabrication d'une bielle
US8234785B2 (en) 2006-09-15 2012-08-07 Thyssenkrupp Technologies Ag Method for producing a connecting rod
EP2488676B1 (fr) * 2009-10-14 2018-12-05 Bayerische Motoren Werke Aktiengesellschaft Moteur à combustion interne muni d'un carter de vilebrequin ainsi que procédé de fabrication d'un carter de vilebrequin
WO2014106573A1 (fr) * 2013-01-04 2014-07-10 Ford-Werke Gmbh Procédé de revêtement thermique d'une surface

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EP1147240B1 (fr) 2003-03-05
CN1330727A (zh) 2002-01-09
CN1293225C (zh) 2007-01-03

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