EP2220268A2 - Rotierend eingesetztes schneidwerkzeug zum bearbeiten von holz - Google Patents
Rotierend eingesetztes schneidwerkzeug zum bearbeiten von holzInfo
- Publication number
- EP2220268A2 EP2220268A2 EP08852016A EP08852016A EP2220268A2 EP 2220268 A2 EP2220268 A2 EP 2220268A2 EP 08852016 A EP08852016 A EP 08852016A EP 08852016 A EP08852016 A EP 08852016A EP 2220268 A2 EP2220268 A2 EP 2220268A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- chromium
- cutting tool
- nitride
- coating
- 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
- 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
Definitions
- the invention relates to a cutting tool, in particular a rotary cutting tool used for processing wood, which comprises a body with a deposited at least in areas of a surface of the body coating of one or more layers or is formed from this coated body.
- the object of the invention is to provide an improved cutting tool of the type mentioned, in which form less quickly sticking, especially in the machining of workpieces made of wood.
- the coating of the cutting tool, as desired for woodworking should be corrosion resistant.
- a cutting tool of the type mentioned in which an outermost layer of the coating of an oxide, oxynitride or an oxycarbonitride of one or more of the metals titanium, zirconium, vanadium, niobium, tantalum, chromium, molybdenum and tungsten is formed.
- a cutting tool is provided which does not form or significantly slower in the cutting insert, in particular during a cutting of wood with rotating cutting tools due to the intended coating, at the same time a high corrosion resistance is given.
- a particularly large anti-adhesion effect of the coating can be achieved if its outermost layer is formed with chromium, titanium, zirconium and / or vanadium.
- the coating is particularly preferred for the coating to be composed of a layer of chromium, a layer of chromium nitride, a layer of chromium nitride, titanium nitride, zirconium nitride and / or vanadium nitride, and finally a layer of an oxide, oxynitride or oxycarbonitride of chromium, titanium, Having zirconium and / or vanadium.
- the coating optionally comprises a layer of chromium, a layer of chromium nitride, a layer of chromium nitride and titanium nitride and finally a layer of an oxide, oxynitride or oxycarbonitride of chromium and titanium.
- the first layer of chromium which is optionally provided, serves to connect the remaining coating to the body and is generally much thinner than the subsequent layer of chromium nitride.
- this can be achieved by first starting a coating by means of a chromium target in a nitrogen-free atmosphere and then, in addition to that before a chromium layer which forms a thickness of 0.5 ⁇ m, nitrogen is additionally supplied.
- a layer adjoining the layer of chromium nitride expediently contains about 30 to 70% by volume, preferably about 40 to 60% by volume, of chromium nitride.
- the proposed chromium nitride serves to provide high corrosion resistance, while the titanium nitride is useful in terms of high wear resistance. At the intended contents or volume fractions both high corrosion resistance and high wear resistance can be achieved.
- a final layer with an oxide, oxynitride or oxycarbonitride of chromium and titanium can be deposited separately.
- the coated body may be a body forming the cutting tool as a whole.
- teaching of the invention is also applicable to parts of a cutting tool such as cutting inserts attached to the cutting tool or other individual cutting tool parts. Further features, advantages and effects of the invention will become apparent from the following embodiment, by way of which the invention is further explained.
- cutting inserts for tine cutters which were formed either from a hard metal or a high-speed steel, each with a multilayer coating, starting from a base made of hard metal or high-speed steel, a 0.1 micron to 0.5 micron thick layer chromium, a 0.5 to 3.5 microns thick layer of chromium nitride, a 0.2 to 5.0 microns thick layer of titanium nitride and chromium nitride and finally a 0.2 to 1.5 microns thick layer of chromium oxynitride Mistake.
- the coating in the region of the body relatively tough, which is a required grinding of cutting without the risk of breaking larger areas of a Coating possible.
- the outermost layer of the coating can also be formed of a softer material than the underlying layer of the coating, without losing these benefits.
- Tine cutters were stocked with cutting inserts so prepared and tested for maximum application time to blocking as a result of solid buildup on woodworking, with comparative trials being made with known tine cutters whose cutting inserts were formed with multi-layer coatings with outermost layers of chromium nitride. It was found in comparison that the tine cutters according to the invention could be used at least 20% to 50% longer than the known tine cutters. With analog
- Coatings made by PVD process with an outermost layer of an oxide, oxynitride or oxycarbonitride of chromium, titanium, zirconium and / or vanadium have been similarly successful in other cutting tools for woodworking.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Physical Vapour Deposition (AREA)
- Manufacture Of Wood Veneers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT19002007A AT505759B1 (de) | 2007-11-22 | 2007-11-22 | Rotierend eingesetztes schneidwerkzeug zum bearbeiten von holz |
PCT/AT2008/000409 WO2009065160A2 (de) | 2007-11-22 | 2008-11-14 | Rotierend eingesetztes schneidwerkzeug zum bearbeiten von holz |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2220268A2 true EP2220268A2 (de) | 2010-08-25 |
EP2220268B1 EP2220268B1 (de) | 2014-03-12 |
Family
ID=40149594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08852016.8A Not-in-force EP2220268B1 (de) | 2007-11-22 | 2008-11-14 | Rotierend eingesetztes schneidwerkzeug zum bearbeiten von holz |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2220268B1 (de) |
AT (1) | AT505759B1 (de) |
WO (1) | WO2009065160A2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113621965A (zh) * | 2021-08-11 | 2021-11-09 | 无锡锐威精密刀具有限公司 | 一种合金刀具表面金刚石梯度膜及其制备方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2851584B2 (de) * | 1978-11-29 | 1980-09-04 | Fried. Krupp Gmbh, 4300 Essen | Verbundkörper |
US4357382A (en) * | 1980-11-06 | 1982-11-02 | Fansteel Inc. | Coated cemented carbide bodies |
US4714660A (en) * | 1985-12-23 | 1987-12-22 | Fansteel Inc. | Hard coatings with multiphase microstructures |
JP2002126911A (ja) * | 2000-10-18 | 2002-05-08 | Mitsubishi Materials Corp | 切粉に対する表面潤滑性にすぐれた表面被覆超硬合金製切削工具 |
AT410222B (de) * | 2001-04-26 | 2003-03-25 | Boehlerit Gmbh & Co Kg | Verfahren zur herstellung einer beschichtung auf einem spanenden werkzeug und zerspanungswerkzeug |
JP3996809B2 (ja) * | 2002-07-11 | 2007-10-24 | 住友電工ハードメタル株式会社 | 被覆切削工具 |
JP2004299023A (ja) * | 2003-04-01 | 2004-10-28 | Mitsubishi Materials Corp | 硬質被覆層がすぐれた耐熱衝撃性を有する表面被覆サーメット製切削工具 |
US7592077B2 (en) * | 2003-06-17 | 2009-09-22 | Kennametal Inc. | Coated cutting tool with brazed-in superhard blank |
JP2005271190A (ja) * | 2003-12-05 | 2005-10-06 | Sumitomo Electric Hardmetal Corp | 表面被覆切削工具 |
SE528929C2 (sv) * | 2005-04-18 | 2007-03-20 | Sandvik Intellectual Property | Skär belagt med ett skiktsystem och metod att framställa detta |
JP2007021665A (ja) * | 2005-07-19 | 2007-02-01 | Mitsubishi Materials Kobe Tools Corp | 難削材の重切削加工で硬質被覆層がすぐれた耐チッピング性を発揮する表面被覆超硬合金製切削工具 |
JP2007038379A (ja) * | 2005-08-05 | 2007-02-15 | Mitsubishi Materials Corp | 難削材の重切削加工で硬質被覆層がすぐれた耐チッピング性を発揮する表面被覆超硬合金製切削工具 |
JP2007144555A (ja) * | 2005-11-28 | 2007-06-14 | Mitsubishi Materials Corp | 高速断続切削加工で硬質被覆層がすぐれた耐チッピング性を発揮する表面被覆切削工具 |
JP2007290091A (ja) * | 2006-04-26 | 2007-11-08 | Mitsubishi Materials Corp | 難削材の高速重切削加工で硬質被覆層がすぐれた耐チッピング性を発揮する表面被覆切削工具 |
JP2007290090A (ja) * | 2006-04-26 | 2007-11-08 | Mitsubishi Materials Corp | 難削材の高速重切削加工で硬質被覆層がすぐれた耐チッピング性を発揮する表面被覆切削工具 |
-
2007
- 2007-11-22 AT AT19002007A patent/AT505759B1/de not_active IP Right Cessation
-
2008
- 2008-11-14 WO PCT/AT2008/000409 patent/WO2009065160A2/de active Application Filing
- 2008-11-14 EP EP08852016.8A patent/EP2220268B1/de not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2009065160A3 * |
Also Published As
Publication number | Publication date |
---|---|
AT505759A4 (de) | 2009-04-15 |
AT505759B1 (de) | 2009-04-15 |
EP2220268B1 (de) | 2014-03-12 |
WO2009065160A2 (de) | 2009-05-28 |
WO2009065160A3 (de) | 2010-01-28 |
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