EP1167564A1 - Schneide mit thermisch gespritzter Beschichtung und Verfahren zur Herstellung der Beschichtung - Google Patents
Schneide mit thermisch gespritzter Beschichtung und Verfahren zur Herstellung der Beschichtung Download PDFInfo
- Publication number
- EP1167564A1 EP1167564A1 EP01115005A EP01115005A EP1167564A1 EP 1167564 A1 EP1167564 A1 EP 1167564A1 EP 01115005 A EP01115005 A EP 01115005A EP 01115005 A EP01115005 A EP 01115005A EP 1167564 A1 EP1167564 A1 EP 1167564A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- cutting edge
- spraying
- thermally sprayed
- compressive stresses
- 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.)
- Withdrawn
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
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
- C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
-
- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
-
- 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
- C23C4/129—Flame spraying
Definitions
- the invention relates to a cutting edge with a thermally sprayed coating.
- the invention further relates to a method for coating a cutting edge a thermal spray process.
- Thermal spray processes are essentially characterized by the fact that they are in usually evenly applied coatings of high quality and quality enable. Coatings applied by thermal spraying can by varying the spray materials and / or the process parameters to different Requirements are adjusted. The spray materials can always be processed in the form of wires, rods or powder. It post-treatment may also be provided.
- thermal spraying as a general coating process are as process variants basically autogenous flame spraying or high-speed flame spraying, arc spraying, plasma spraying, detonation spraying and known as laser spraying.
- HVOF High Velocity Oxygen Fuel
- At least one side of the cutting edge is included in the production of the coating Spray materials containing hard materials coated. This is done today using First or second generation high speed flame spraying, i.e. With average spray particle speeds below 450 m / s, or by means of plasma spraying.
- the coating of sharp edges proves to be problematic.
- the applied Layers adhere poorly, loosen or stand out at the edges and therefore break out.
- the breaking out on the edge can also be a result of relatively brittle coating occur.
- the susceptibility to corrosion is also problematic the cutting, supported by cleaning the knives.
- the object of the present invention is therefore to provide a cutting edge and a method of to point out the type mentioned at the beginning, by which the service life is made possible or to increase the service life of the coated cutting edge.
- the cutting edge at least partially includes a coating that has compressive stresses.
- the cutting edge coated according to the invention preferably comprises a coating, that extends to the cutting edge of the cutting edge.
- Coatings with compressive stresses can be produced by the coating by means of a thermal spray process with medium spray particle speeds is applied over 450 m / s.
- the high-speed flame spraying of the third is therefore suitable for the invention and fourth generation with average spray particle speeds over 450 m / s.
- Third and fourth generation systems of high speed flame spraying, with which the required speeds can be reached known for example under the names "DJ 2600", “DJ 2700” and "JP 5000".
- the cutting edge can also advantageously be coated by means of cold gas spraying getting produced.
- Coatings of the cutting edges can therefore, for example, by means of high-speed flame spraying with the mentioned systems from Sulzer Metco "DJ 2600 “or” DJ 2700 “, which work with propylene, hydrogen or ethene fuel gases, or the TAFA system "JP 5000", which works with liquid fuel gases like kerosene, getting produced.
- cermets metal-bound Carbides
- WCoCr titanium-bound Carbides
- the cutting edges can be produced using thermal spraying processes in particular powders with particle sizes from 1 ⁇ m to 1 mm, particularly preferably with 5 to 100 ⁇ m.
- the coating is advantageous at medium spray particle speeds over 550 m / s, preferably over 600 m / s, particularly preferably applied between 600 and 700 m / s.
- higher particle speeds ensures that this with the Solidification of the material associated with shrinkage on the substrate and the resulting shrinkage Tensile stresses due to the beam effect with high kinetic energy impacting particles is overcompensated.
- the coating preferably has compressive stresses of up to 600 MPa between 50 and 550 MPa. Compressive stresses in the named areas can be used with the systems of the third and fourth generation of high-speed flame spraying devices easily manufacture.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
Das Hochgeschwindigkeits-Flammspritzen der ersten Generation und das Hochgeschwindigkeits-Flammspritzen der zweiten Generation mit mittleren Spritzpartikelgeschwindigkeiten zwischen 400 und 450 m/s und seit 1992 bzw. 1994 das Hochgeschwindigkeits-Flammspritzen der dritten und vierten Generation mit mittleren Spritzpartikelgeschwindigkeiten über 450 m/s.
Claims (9)
- Schneide mit einer thermisch gespritzten Beschichtung, dadurch gekennzeichnet, dass die Schneide zumindest teilweise eine Beschichtung umfasst, die Druckspannungen aufweist.
- Schneide nach Anspruch 1, dadurch gekennzeichnet, dass die Beschichtung eine mittels eines thermischen Spritzverfahrens mit mittleren Spritzpartikelgeschwindigkeiten über 450 m/s aufgebrachte Beschichtung ist.
- Schneide nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Beschichtung Druckspannungen bis 600 MPa, vorzugsweise zwischen 50 und 550 MPa aufweist.
- Schneide nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Beschichtung Cermets, insbeosndere Wolframcarbid-Kobald-Materialien mit Chromanteilen, umfasst.
- Schneide nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass lediglich eine Seite der Schneide eine thermisch gespritzte Beschichtung enthält.
- Verfahren zum Beschichten einer Schneide mittels eines thermischen Spritzverfahrens, dadurch gekennzeichnet, dass eine Druckspannungen aufweisende Beschichtung mittels eines Spritzverfahrens mit mittleren Spritzpartikelgeschwindigkeiten über 450 m/s aufgebracht wird.
- Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass die Beschichtung bei mittleren Spritzpartikelgeschwindigkeiten über 450 m/s, bevorzugt über 550 m/s, besonders bevorzugt zwischen 600 und 700 m/s aufgebracht wird.
- Verfahren nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass die Beschichtung mittels Hochgeschwindigkeits-Flammspritzens oder Kaltgasspritzens aufgebracht wird.
- Messer mit einer Schneide nach einem der Ansprüche 1 bis 5.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10029686 | 2000-06-23 | ||
DE10029686A DE10029686A1 (de) | 2000-06-23 | 2000-06-23 | Schneide mit thermisch gespritzter Beschichtung und Verfahren zur Herstellung der Beschichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1167564A1 true EP1167564A1 (de) | 2002-01-02 |
Family
ID=7645956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01115005A Withdrawn EP1167564A1 (de) | 2000-06-23 | 2001-06-20 | Schneide mit thermisch gespritzter Beschichtung und Verfahren zur Herstellung der Beschichtung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1167564A1 (de) |
DE (1) | DE10029686A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005052210A1 (en) * | 2003-11-21 | 2005-06-09 | General Electric Company | Erosion resistant coatings and methods thereof |
EP1985726A1 (de) * | 2007-04-27 | 2008-10-29 | WMF Aktiengesellschaft | Schneidwerkzeug mit einer Hartstoff verstärkten Schneidkante |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021113631A1 (de) | 2021-05-26 | 2022-12-01 | Dipl.Ing. S c h i n d l e r & Wagner GmbH & Co KG | Schneidmesser, Verfahren zur Herstellung und Verwendung |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6365079A (ja) * | 1986-09-04 | 1988-03-23 | Mitsubishi Metal Corp | 耐欠損性のすぐれた切削工具用表面被覆硬質合金 |
US5075181A (en) * | 1989-05-05 | 1991-12-24 | Kennametal Inc. | High hardness/high compressive stress multilayer coated tool |
JPH04300104A (ja) * | 1991-03-28 | 1992-10-23 | Mitsubishi Materials Corp | 表面被覆切削工具 |
US5266388A (en) * | 1990-09-17 | 1993-11-30 | Kennametal Inc. | Binder enriched coated cutting tool |
JPH06108258A (ja) * | 1992-09-29 | 1994-04-19 | Toshiba Tungaloy Co Ltd | 高強度被覆焼結合金 |
GB2276886A (en) * | 1993-03-19 | 1994-10-12 | Smith International | Hardfacing for rock drilling bits |
WO1997004143A1 (en) * | 1995-07-24 | 1997-02-06 | Sandvik Ab (Publ) | Cvd-coated titanium based carbonitride cutting tool insert |
WO1997037774A1 (en) * | 1996-04-04 | 1997-10-16 | Diamant Boart, Inc. | Method of coating a cutting blade having improved wear characteristics |
DE19719195A1 (de) * | 1997-05-09 | 1998-11-12 | Widia Gmbh | Schneideinsatz zum Zerspanen und Verfahren zur Herstellung dieses Schneideinsatzes |
CN1226467A (zh) * | 1999-01-08 | 1999-08-25 | 中国人民解放军装甲兵工程学院 | 超音速多功能表面处理设备 |
-
2000
- 2000-06-23 DE DE10029686A patent/DE10029686A1/de not_active Withdrawn
-
2001
- 2001-06-20 EP EP01115005A patent/EP1167564A1/de not_active Withdrawn
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6365079A (ja) * | 1986-09-04 | 1988-03-23 | Mitsubishi Metal Corp | 耐欠損性のすぐれた切削工具用表面被覆硬質合金 |
US5075181A (en) * | 1989-05-05 | 1991-12-24 | Kennametal Inc. | High hardness/high compressive stress multilayer coated tool |
US5266388A (en) * | 1990-09-17 | 1993-11-30 | Kennametal Inc. | Binder enriched coated cutting tool |
JPH04300104A (ja) * | 1991-03-28 | 1992-10-23 | Mitsubishi Materials Corp | 表面被覆切削工具 |
JPH06108258A (ja) * | 1992-09-29 | 1994-04-19 | Toshiba Tungaloy Co Ltd | 高強度被覆焼結合金 |
GB2276886A (en) * | 1993-03-19 | 1994-10-12 | Smith International | Hardfacing for rock drilling bits |
WO1997004143A1 (en) * | 1995-07-24 | 1997-02-06 | Sandvik Ab (Publ) | Cvd-coated titanium based carbonitride cutting tool insert |
WO1997037774A1 (en) * | 1996-04-04 | 1997-10-16 | Diamant Boart, Inc. | Method of coating a cutting blade having improved wear characteristics |
DE19719195A1 (de) * | 1997-05-09 | 1998-11-12 | Widia Gmbh | Schneideinsatz zum Zerspanen und Verfahren zur Herstellung dieses Schneideinsatzes |
CN1226467A (zh) * | 1999-01-08 | 1999-08-25 | 中国人民解放军装甲兵工程学院 | 超音速多功能表面处理设备 |
Non-Patent Citations (4)
Title |
---|
DATABASE WPI Section Ch Week 198818, Derwent World Patents Index; Class L02, AN 1988-122246, XP002179079 * |
DATABASE WPI Section Ch Week 199249, Derwent World Patents Index; Class A21, AN 1992-403081, XP002179078 * |
DATABASE WPI Section Ch Week 199420, Derwent World Patents Index; Class L02, AN 1994-164422, XP002179080 * |
DATABASE WPI Section Ch Week 199954, Derwent World Patents Index; Class M13, AN 1999-621035, XP002179081 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005052210A1 (en) * | 2003-11-21 | 2005-06-09 | General Electric Company | Erosion resistant coatings and methods thereof |
US7141110B2 (en) | 2003-11-21 | 2006-11-28 | General Electric Company | Erosion resistant coatings and methods thereof |
US7431566B2 (en) | 2003-11-21 | 2008-10-07 | General Electric Company | Erosion resistant coatings and methods thereof |
EP1985726A1 (de) * | 2007-04-27 | 2008-10-29 | WMF Aktiengesellschaft | Schneidwerkzeug mit einer Hartstoff verstärkten Schneidkante |
Also Published As
Publication number | Publication date |
---|---|
DE10029686A1 (de) | 2002-01-03 |
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Effective date: 20080103 |