JP5143571B2 - 切削工具のための高耐摩耗三重被覆 - Google Patents
切削工具のための高耐摩耗三重被覆 Download PDFInfo
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- JP5143571B2 JP5143571B2 JP2007554410A JP2007554410A JP5143571B2 JP 5143571 B2 JP5143571 B2 JP 5143571B2 JP 2007554410 A JP2007554410 A JP 2007554410A JP 2007554410 A JP2007554410 A JP 2007554410A JP 5143571 B2 JP5143571 B2 JP 5143571B2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Drilling Tools (AREA)
- Physical Vapour Deposition (AREA)
Description
特許文献1は、切削工具上の研摩剤と酸化摩耗の割合を減らしたTiN、TiCN、およびTiAlN被覆に比較して、非常に高い酸化耐性を備えた硬質の陽極のAlCrベースの被覆に言及している。特許文献2および特許文献3においては、AlCrSiNとCrSiBN層が、酸化に対する微細な耐性だけではなく高い耐摩耗性を提供する増加させた硬度をも提供する。非特許文献1では、TiAlN層および遷移金属窒化物(VNまたはCrN)の微細な層をベースとする超格子構造組み合わせが、低い滑り摩耗と研磨摩耗係数を示す。非特許文献2で、その著者は、硬質の炭素表面で被覆されたCrAlNを組み合わせることによって、(硬度および増加したヤング率のような)機械的特性と摩擦特性の改善とを報告している。このような組み合わせがドリルおよびミルの用途において成功しうる、ということが主張されている。非特許文献3で、その著者は、Al、Ti、Cu、およびAgの延性のある中間膜と組み合わせた多層TiAlNに言及している。多層は基板に対する改善された付着を呈するが、硬度は延性層の追加によりかなり減少させられる。
TiCN、TiAlN、AlTiNの低耐摩耗性、および類似の硬質被覆、特に高温を含むような高速切削用途における機械材料用途が難しいもの(例えば、工具鋼、オーステナイトステンレス鋼、アルミニウム、およびチタン合金の機械加工)である。既知のCrAlNおよびCrAlSiN被覆の高温用途での有益な効果にもかかわらず、工具、特に、より大きな生産性とさらなる摩耗の減少とを提供することのできる切削、成形工具および部品、による特定の用途のためのさらなる良好な性能を与えることができる代替案が見いだされるべきである。
本発明は、革新的な被覆三層システム、および対応する被覆された工具と部品に関連する。ある表面を有し、該表面の少なくともいくつかの部分が耐摩耗性の硬質被覆で覆われ、その硬質被覆は、外部表面層およびそれに続く第2の埋込層を有し、そして埋込層は表面層と主要層の間に配置され、主要層は直接に、または差し挟む付着層を介して、加工製品上に堆積される。
[例1]:
工具鋼のミリング加工(Milling)−荒削り
切削工具:エンドミル(End Mill)超硬合金荒削り
直径D=10mm、歯数z=4
試片:工具鋼,X40CrMoV51,DIN1.2344(36HRC)
切削パラメータ:切削速度vc=120m/min(S=3820 1/min)
搬送速度fz=0.090mm/U(f=1375mm/min)
切削径方向深さae=2.5mm
切削軸方向深さap=5.5mm
冷却:エマルジョン6%
プロセス:ダウン・ミリング(down milling)
工具寿命判定基準:側面摩耗ランド幅VB>0.10mm
硬化鋼のミリング加工(Milling)
切削工具:ボールノーズエンドミル(Ball nose end mill)超硬合金
直径D=10mm、歯数z=2
試片:K340(62HRC)C1.1%,Si0.9%,Mn0,4%,Cr8.3%,Mo2.1%,Mo2.1%,V0.5%
切削パラメータ:切削速度vc=0〜120m/min
搬送速度fz=0.10mm/U
切削径方向深さae=0.2mm
切削軸方向深さap=0.2mm
冷却:乾燥
プロセス:フィニッシング(Finishing)
工具寿命判定基準:側面摩耗ランド幅VB>0.30mm
2 薄い付着層
3 主要被覆層(主要層)
4 保護層
5 外部表面層
Claims (9)
- 基板(1)の表面上の少なくとも主要層(3)、埋込層(4)、および外部表面層(5)を有する硬質被覆層システムであって、表面層(5)はAlCrZを有し、ここで、ZはN、C、B、CN、BN、CBN、NO、CO、BO、CNO、BNO、またはCBNOを表し、
前記表面層(5)は0.2μm<t1<1.5μmの厚さt1を持ち、
前記埋込層(4)はダイアモンド状炭素層であり、
前記主要層(3)は、埋込層(4)の熱伝導率TcBの70%より小さいかあるいはそれに等しい熱伝導率TcMを持った、窒化物、炭化物または炭窒化物、もしくは窒化物、炭化物または炭窒化物材料の多層を有することを特徴とする硬質被覆層システム。 - 前記主要層(3)と前記基板(1)の表面の間に付着層(2)が配置されることを特徴とする請求項1に記載の硬質被覆層システム。
- 前記埋込層(4)は0.1μm<t2<1.5μmの厚さt2を持つことを特徴とする請求項1または2に記載の硬質被覆層システム。
- 前記主要層(3)は1μm<t3<10μmの厚さt3を持つことを特徴とする請求項1から3のいずれか1項に記載の硬質被覆層システム。
- 前記主要層は、IVB、VBまたはVIB族の遷移金属うちの少なくとも1つ、Al、SiまたはBのうちの少なくとも1つの元素、および、O、CおよびNのうちの少なくとも1つ、を有することを特徴とする請求項1から4のいずれか1項に記載の硬質被覆層システム。
- 前記付着層(2)は、IVB、VB、VIB族の遷移金属、または金属窒化物のうちの少なくとも1つを有することを特徴とする請求項2から5のいずれか1項に記載の硬質被覆層システム。
- 前記付着層(2)は、V、Ti、Nb、Cr、Zr、AlCr、AlTi、AlCrN、AlTiN、TiN、VNまたはCrNを有することを特徴とする請求項6に記載の硬質被覆層システム。
- 前記基板(1)は、高速度鋼、工具鋼、超硬合金、CBNサーメット、またはセラミックスを有することを特徴とする請求項1から7のいずれか1項に記載の硬質被覆層システム。
- 前記表面の少なくとも一部が請求項1から8のいずれか1項に記載の耐摩耗硬質被覆によって被覆された表面(1)を持つ、工具または部品。
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US65191605P | 2005-02-10 | 2005-02-10 | |
US60/651,916 | 2005-02-10 | ||
PCT/CH2006/000076 WO2006084404A1 (en) | 2005-02-10 | 2006-02-07 | High wear resistant triplex coating for cutting tools |
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JP2008529809A JP2008529809A (ja) | 2008-08-07 |
JP5143571B2 true JP5143571B2 (ja) | 2013-02-13 |
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US (2) | US7879443B2 (ja) |
EP (1) | EP1851361B8 (ja) |
JP (1) | JP5143571B2 (ja) |
WO (1) | WO2006084404A1 (ja) |
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EP1851361B8 (en) | 2016-06-15 |
JP2008529809A (ja) | 2008-08-07 |
US20100129644A1 (en) | 2010-05-27 |
US8088501B2 (en) | 2012-01-03 |
WO2006084404A1 (en) | 2006-08-17 |
US20110091701A1 (en) | 2011-04-21 |
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