EP0493695B1 - Wire spraying apparatus - Google Patents

Wire spraying apparatus Download PDF

Info

Publication number
EP0493695B1
EP0493695B1 EP91120746A EP91120746A EP0493695B1 EP 0493695 B1 EP0493695 B1 EP 0493695B1 EP 91120746 A EP91120746 A EP 91120746A EP 91120746 A EP91120746 A EP 91120746A EP 0493695 B1 EP0493695 B1 EP 0493695B1
Authority
EP
European Patent Office
Prior art keywords
wire
installation
nozzle
spraying
installation according
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.)
Expired - Lifetime
Application number
EP91120746A
Other languages
German (de)
French (fr)
Other versions
EP0493695A3 (en
EP0493695A2 (en
Inventor
Wolfgang Dr. Simm
Hans-Theo Steine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ECG Immobilier SA
Original Assignee
Castolin SA
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
Application filed by Castolin SA filed Critical Castolin SA
Publication of EP0493695A2 publication Critical patent/EP0493695A2/en
Publication of EP0493695A3 publication Critical patent/EP0493695A3/en
Application granted granted Critical
Publication of EP0493695B1 publication Critical patent/EP0493695B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Definitions

  • the invention relates to a wire spraying system according to the preamble of claim 1, as is known from US 4,970,091. Such a system is used in particular when coating larger interiors.
  • the distance from the workplace or the surface to be coated and the location of the wire spraying plant can be 10 to 30 mm.
  • the maximum lengths for the hose packages are 10 to 15 m in length.
  • a wire spraying system according to the preamble of claim 1 is to be created, the properties of which are improved with regard to the addition of the additional powder, and the usability of which is simplified at a distance from the type of installation.
  • the object is achieved by the wire spraying system according to claim 1.
  • Advantageous developments of the invention are described in the subclaims.
  • the wire drive units preferably operate according to the push-pull principle and are arranged in the hose package at intervals of 2 to 10 m from the wire spraying system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Nozzles (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

An apparatus for producing coatings to protect against wear and corrosion by thermal spraying using a nozzle and wires which are processed at a distance from a wire spraying system has a nozzle system about the nozzle which atomises a molten metal drop for injecting hard-material particles and hard-phase particles into the spray jet without melting-on or remelting and the wire is provided so as to be drivable. In addition, the wire is to be assigned a wire driving unit at distances of 2 to 10 m from the wire spraying system, said unit driving the wire and operating according to the push-pull principle.

Description

Die Erfindung betrifft eine Drahtspritzanlage nach dem Oberbegriff des Patentanspruchs 1, wie sie aus der US 4,970,091 bekannt ist. Eine solche Anlage findet insbesondere Anwendung beim Beschichten größerer Innenräume.The invention relates to a wire spraying system according to the preamble of claim 1, as is known from US 4,970,091. Such a system is used in particular when coating larger interiors.

Vorrichtungen zum Drahtspritzen mit Lichtbogen oder mit autogener Flamme, mit Füll- und Massivdrähten sowie zum Herstellen von heterogenen Schichten sind seit langem bekannt. Diese Arbeitsverfahren sind wegen der Möglichkeit, mit einem größeren Durchsatz pro Stunde zu arbeiten, besonders interessant für die Durchführung von Beschichtungen in Großfeuerungsanlagen.Devices for wire spraying with an arc or with an autogenous flame, with cored and solid wires and for producing heterogeneous layers have been known for a long time. These working methods are particularly interesting for the implementation of coatings in large combustion plants because of the possibility of working with a higher throughput per hour.

Solche, beispielsweise aus der WO 88/101 68 bekannten Anlagen haben den Mangel, daß die Länge der Schlauchpakete für die Zuleitungen und für die Drähte nicht ausreicht, um ohne größeren Zeitaufwand Beschichtungen vor Ort durchführen zu können.Such systems, for example known from WO 88/101 68, have the defect that the length of the hose packs for the feed lines and for the wires is not sufficient to be able to carry out coatings on site without a great deal of time.

Aus der gattungsbildenden US 4,970,091 ist die Zugabe von zusätzlichen metallischen Pulvern über das Zerstäubungsgas in den Spritzstrahl bzw. den auf geschmolzenen Metalltropfen bekannt. Dabei ist allerdings die Kontrolle des Zustandes für die zugeführten Metallpulver nicht oder nur bedingt möglich, da ein unkontrollierbarer Anteil des Metallpulvers mit dem Lichtbogen und den geschmolzenen Metalltropfen in Berührung kommt und dabei anbzw. umgeschmolzen wird.From the generic US Pat. No. 4,970,091, the addition of additional metallic powders via the atomizing gas into the spray jet or onto molten metal drops is known. However, this involves checking the condition of the metal powder supplied not possible or only to a limited extent, since an uncontrollable proportion of the metal powder comes into contact with the arc and the molten metal drops and thereby is remelted.

Bei Hartstoffen beeinflußt dieser Vorgang sehr stark die Eigenschaften besonders in die Richtung auf eine Versprödung.In the case of hard materials, this process has a strong influence on the properties, particularly in the direction of embrittlement.

Bei großflächigen Beschichtungen -- wie sie etwa in Großfeuerungsanlagen vorkommen -- ist es daher besonders an erosionsbelasteten Stellen wichtig, daß die zur Erhöhung der Erosionsbeständigkeit eingebrachten Hartstoffe nicht um- bzw. angeschmolzen werden.In the case of large-area coatings, such as those found in large combustion plants, it is therefore important, particularly in erosion-stressed areas, that the hard materials introduced to increase the erosion resistance are not melted or melted.

Je nach Größe der Verbrennungsanlage und der für die Servicearbeiten angebrachten Einstiegsöffnungen bzw. "Mannlöchern", kann der Abstand von Arbeitsplatz bzw. der zu beschichtenden Fläche und dem Aufstellungsort der Drahtspritzanlage 10 bis 30 mm betragen. Für bekannte Geräte liegen die maximalen Längen für die Schlauchpakete bei 10 bis 15 m Länge.Depending on the size of the incineration plant and the manholes that are provided for service work, the distance from the workplace or the surface to be coated and the location of the wire spraying plant can be 10 to 30 mm. For known devices, the maximum lengths for the hose packages are 10 to 15 m in length.

Angesichts dessen hat sich der Erfinder das Ziel gesetzt, unter Meidung bekannter Nachteile eine Vorrichtung und ein Verfahren vorstehender Art zu verbessern. Insbesondere ist eine Drahtspritzanlage nach dem Oberbegriff des Patentanspruchs 1 zu schaffen, deren Eigenschaften im Hinblich auf die Zugabe der zusätzlichen Pulver verbessert ist, und deren Einsetzbarkeit in einer Entfernung vom Aufstellungsart vereinfacht ist.In view of this, the inventor has set himself the goal of improving an apparatus and a method of the above type while avoiding known disadvantages. In particular, a wire spraying system according to the preamble of claim 1 is to be created, the properties of which are improved with regard to the addition of the additional powder, and the usability of which is simplified at a distance from the type of installation.

Die Aufgabe wird durch die Drahtspritzanlage nach dem Patentanspruch 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen beschrieben Bevorzugt arbeiten dabei die Drahtantriebseinheiten nach dem Push-Pull Prinzip und sind in Abständen von 2 bis 10 m von der Drahtspritzanlage in dem Schlauchpaket angeordnet.The object is achieved by the wire spraying system according to claim 1. Advantageous developments of the invention are described in the subclaims. The wire drive units preferably operate according to the push-pull principle and are arranged in the hose package at intervals of 2 to 10 m from the wire spraying system.

Claims (12)

  1. Wire spraying installation for the production of anti-wear and anti-corrosive coatings by thermal spraying using a nozzle and a wire, a nozzle system for introducing hard material particles or hard phase particles into the spray jet being provided in front of the nozzle atomising a molten metal drop of the wire, characterised in that the wire is driven by at least one wire feed unit provided at a distance from the wire spraying installation, a tubular chamber open in the direction of the spray axis of the spray jet is arranged around the region in which the hard materials and/or hard phases are introduced into the spray jet by means of a nozzle system and has an outlet in the form of at least one annular slit for the discharge of inert gas from the tubular chamber, and the wire spraying installation is set up in such a manner that the hard material particles or hard phase particles are introduced without incipient melting or remelting of the latter.
  2. Installation according to claim 1, characterised in that the wire feed units operate according to the push-pull principle and are arranged at distances of 2 to 10 m from the wire spraying installation.
  3. Installation according to claim 1 or claim 2, characterised in that the nozzle system is mounted in front of the nozzle of a wire arc spraying installation or in front of the nozzle of an oxyacetylene wire-type spraying gun.
  4. Installation according to one of claims 1 to 3, characterised in that the chamber outlet is smaller at one outlet end of the spray jet in the direction of a workpiece for post-acceleration of the spray jet, or that the chamber outlet is larger at the outlet end of the spray jet directed towards the workpiece.
  5. Installation according to one of claims 1 to 4, characterised in that the outlet for the inert gas has a plurality of bores.
  6. Installation according to one of claims 1 to 5, characterised in that the nozzle system consists of a plurality of slot nozzles arranged one above the other.
  7. Installation according to claim 6, characterised in that parts of the nozzle for the introduction of the hard materials or hard phases subject to wear are made from a wear-resistant hard material, preferably a tungsten carbide.
  8. Installation according to one of claims 1 to 7, characterised in that filler wire or solid wire can be supplied to the wire spraying installation in a hose package.
  9. Installation according to claim 1, characterised in that the wire spraying installation is a wire arc spraying installation and the wire feed unit is provided at a distance from a current source and a control unit and outside an installation to be coated, or, in the case of an oxyacetylene wire spraying installation, a gas control unit and the wire feed unit are mounted at a distance from one another outside the installation to be coated.
  10. Installation according to claim 9, characterised by remote control for the control unit.
  11. Installation according to claim 9 or claim 10, characterised in that a length of wire feed hoses of between 5 and 30 m is situated between the energy source or control unit and the wire spraying installation and a plurality of intermediate feed units operating according to the push-pull principle are provided.
  12. Installation according to claim 11, characterised in that the intermediate feed units are driven by means of a turbine driven by compressed air or by means of a continuously controllable electric motor.
EP91120746A 1990-12-31 1991-12-03 Wire spraying apparatus Expired - Lifetime EP0493695B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4042276A DE4042276A1 (en) 1990-12-31 1990-12-31 DEVICE AND METHOD FOR PRODUCING PROTECTIVE LAYERS
DE4042276 1990-12-31

Publications (3)

Publication Number Publication Date
EP0493695A2 EP0493695A2 (en) 1992-07-08
EP0493695A3 EP0493695A3 (en) 1993-01-07
EP0493695B1 true EP0493695B1 (en) 1996-12-04

Family

ID=6421718

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91120746A Expired - Lifetime EP0493695B1 (en) 1990-12-31 1991-12-03 Wire spraying apparatus

Country Status (4)

Country Link
EP (1) EP0493695B1 (en)
AT (1) ATE145943T1 (en)
BR (1) BR9105326A (en)
DE (1) DE4042276A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1967601A2 (en) * 2007-03-06 2008-09-10 Bayerische Motoren Werke Aktiengesellschaft Method for manufacturing a coating

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236465A1 (en) * 1992-10-24 1994-04-28 Degussa Polyoxymethylene with improved stability against acids, process for its preparation and use

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH108282A (en) * 1923-02-03 1925-01-02 Electro Quimica De Flix Soc Apparatus for spraying and spraying metals.
US3546415A (en) * 1968-11-07 1970-12-08 Flame Spray Ind Inc Electric arc metallizing device
GB2086764A (en) * 1980-11-08 1982-05-19 Metallisation Ltd Spraying metallic coatings
US4386112A (en) * 1981-11-02 1983-05-31 United Technologies Corporation Co-spray abrasive coating
US4614300A (en) * 1982-04-19 1986-09-30 E. I. Du Pont De Nemours And Company Computerized spray machine
JPS63137764A (en) * 1986-11-28 1988-06-09 Toyota Motor Corp Flame spraying gun for preparing composite material
US4787708A (en) * 1987-05-08 1988-11-29 Tir Systems Ltd. Apparatus for continuously controlled emission of light from prism light guide
DE3883983T2 (en) * 1987-06-25 1994-04-21 Call Jun METAL SPRAYING DEVICE.
DE3824887A1 (en) * 1988-07-22 1990-01-25 Castolin Gmbh Nozzle for flame-spray burner
DE3902736A1 (en) * 1989-01-31 1990-08-02 Spraytec Oberflaechentech ARC SPRAYING SYSTEM FOR HIGH-PERFORMANCE SPRAYING OF SOLID AND FILLED WIRE
DE8901141U1 (en) * 1989-02-02 1989-03-23 Matthaeus, Heinz Dieter, 4620 Castrop-Rauxel, De
DE3903887C2 (en) * 1989-02-10 1998-07-16 Castolin Sa Device for flame spraying powdery materials by means of an autogenous flame
US4970091A (en) * 1989-10-18 1990-11-13 The United States Of America As Represented By The United States Department Of Energy Method for gas-metal arc deposition
JPH06219274A (en) * 1993-01-27 1994-08-09 Toshiba Toransupooto Eng Kk Rail brake device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1967601A2 (en) * 2007-03-06 2008-09-10 Bayerische Motoren Werke Aktiengesellschaft Method for manufacturing a coating
EP1967601A3 (en) * 2007-03-06 2011-04-27 Bayerische Motoren Werke Aktiengesellschaft Method for manufacturing a coating

Also Published As

Publication number Publication date
ATE145943T1 (en) 1996-12-15
EP0493695A3 (en) 1993-01-07
EP0493695A2 (en) 1992-07-08
BR9105326A (en) 1992-08-25
DE4042276A1 (en) 1992-07-02

Similar Documents

Publication Publication Date Title
DE3942050B4 (en) Apparatus for laser plasma spraying with axial flow
US9718091B2 (en) Integrated fluidjet system for stripping, prepping and coating a part
EP1353777B1 (en) Method and device for sandblasting, especially removing in a precise manner and/or compacting and/or coating solid surfaces
AU739455B2 (en) Twin wire electric arc metalizing device
DE2823817C2 (en) Method and device for the formation of metal objects by metal spraying of atomized metal melt droplets onto a substrate and application of the method
EP3789513B1 (en) Coating device and method for metallic coating of workpieces
DE3301548C2 (en) Device for spray coating
EP0493695B1 (en) Wire spraying apparatus
DE3902736A1 (en) ARC SPRAYING SYSTEM FOR HIGH-PERFORMANCE SPRAYING OF SOLID AND FILLED WIRE
DE4208500C2 (en) Spray device for applying a liquid medium such as paint
EP1936003A2 (en) Method and device for coating components
DE4244610A1 (en)
DE102018113643A1 (en) Device for coating a surface
EP2468914A1 (en) Method and device for arc spraying
EP1135538B1 (en) Thermal spraying method and device used for coating surfaces
DE102012003307A1 (en) Device useful for plasma coating of surface of substrate by plasma spraying method, comprises anode, cathode, gas feed, wire feed for wire that is meltable by gas heated to plasma temperature, and nozzle for supplying auxiliary gas jet
WO2019048431A1 (en) Device and method for electric arc wire spraying
DE102009005078A1 (en) Plasma spray assembly for automotive crankshaft bearing has a circular non-sacrificial electrode surrounded by electromagnetic coils
EP2622111B1 (en) Method and device for thermal spraying
RU2222638C2 (en) The device for deposition of a powder coating
WO2019201392A2 (en) Pipe and coating method and installation for coating a pipe
DE102012003306A1 (en) Device for performing plasma coating on surface of substrate, for use in manufacturing of e.g. cylinder bore, has wire-shaped or powder material that is selectively processed in region of electrode which generates auxiliary voltage arc
GB2197600A (en) Electrostatic paint spray gun
DE3318931C2 (en) Process for spray coating objects and apparatus for carrying out the process
DE102009005082A1 (en) Apparatus for arc wire spraying, comprises a wire-shaped consumable anode, non-consumable cathodes, an energy source for generating and maintaining an arc between the anode and the cathode, a wire feeding device, and an injection nozzle

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU MC NL PT SE

RBV Designated contracting states (corrected)

Designated state(s): AT FR GB IT

REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU MC NL PT SE

17P Request for examination filed

Effective date: 19921208

17Q First examination report despatched

Effective date: 19930824

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT FR GB IT

REF Corresponds to:

Ref document number: 145943

Country of ref document: AT

Date of ref document: 19961215

Kind code of ref document: T

ITF It: translation for a ep patent filed

Owner name: DE DOMINICIS & MAYER S.R.L.

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19970125

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19970304

GBPC Gb: european patent ceased through non-payment of renewal fee

Free format text: DELETE IN JOURNAL 5660 DATED 971022 PAGE 5222 APPLICATION FOR REINSTATEMENT UNDER RULE 100 FILED ON 971017

26N No opposition filed
GBPC Gb: european patent ceased through non-payment of renewal fee

Free format text: IN JOURNAL NO. 5660 PAGE NO. 5222, 971022

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20001127

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20001222

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20011203

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20020320

Year of fee payment: 11

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20011203

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021203

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030901

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20051203