JP7539418B2 - 被覆切削工具を製造する方法および被覆切削工具 - Google Patents
被覆切削工具を製造する方法および被覆切削工具 Download PDFInfo
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
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- B23B2222/16—Cermet
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
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- B23B2226/125—Boron nitride cubic [CBN]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23C—MILLING
- B23C2224/00—Materials of tools or workpieces composed of a compound including a metal
- B23C2224/24—Titanium aluminium nitride (TiAlN)
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Description
物理蒸着(PVD)により作製される(Ti、Al)Nコーティングは、金属機械加工のための切削工具の分野で通常使用される。
そこで、基材およびコーティングを含む、金属機械加工のための被覆切削工具を製造する方法であって、コーティングが、立方晶相を含み、高いアルミニウム含有量を有する(Ti、Al)Nの少なくとも1つの層を含む、方法が提供される。
焼結超硬合金切削工具インサート素材SNMA120808-KRに、陰極アーク蒸気によってTi0.20Al0.80Nの様々なコーティングを堆積させた。超硬合金は、10wt%のCoおよび残りのWCの組成を有していた。素材を載せるピンの「木々」を有する回転テーブルを使用して、3回回転で試料1~4を堆積させた。反応チャンバは、ターゲットのための4つのフランジを含んでいた。2つの相対するフランジにTi0.20Al0.80ターゲットを載せ、2つの残りのフランジは空にした。チャンバをポンプで真空にし(10-2Pa未満)、チャンバ内に設置された加熱器により約450℃に加熱した。Arプラズマ中で素材を60分間エッチングした。チャンバ圧力(反応圧力)をN2ガス4Paに設定するか、または10Paに設定し、試料1~4についての望ましいDCバイアス電圧はそれぞれ、-50V、-225V、-300Vおよび-375Vであった、表1を参照のこと。陰極に、電流150A(各)をアーク放電モードで流した。3μmの層を堆積させた。
反応チャンバ内の4つのフランジ全てに、様々な高さで一組の3種のターゲットとして配置される、3種の様々なターゲット、Ti0.40Al0.60、Ti0.25Al0.75およびTi0.10Al0.90を使用することにより、Ti0.10-0.40Al0.60-0.90Nの様々なコーティングを作製した。その結果、素材のチャンバ内での位置次第で、コーティングの組成が段階的に異なっていた。
反応チャンバ内の2つの相対するフランジに、様々な高さで一組の3種のターゲットとして配置される、3種の様々なターゲット、Ti0.40Al0.60、Ti0.25Al0.75およびTi0.10Al0.90を使用することにより、かつTi0.50Al0.50ターゲットを2つの残りの相対するフランジに配置して、Ti0.10-0.40Al0.60-0.90N/Ti0.50Al0.50Nの様々な多層コーティングを作製した。その結果、素材のチャンバ内での位置次第で、多層のコーティングにおける副層のうち1つの組成が段階的に異なっていた。
反応チャンバ内の2つの相対するフランジに配置される、Ti0.10Al0.90ターゲット(それぞれTi0.05Al0.95ターゲット)を使用することにより、かつTi0.50Al0.50ターゲットを2つの残りの相対するフランジに配置して、Ti0.10Al0.90N/Ti0.50Al0.50NおよびTi0.05Al0.95N/Ti0.50Al0.50Nの多層コーティングのさらなる試料(samles)を作製した。
以下の表現/語は金属切削において通常使用されるが、とは言え以下の表で説明される:
Vc(m/分):メートルでの1分あたりの切削速度
fn(mm/回転)1回転あたりの送り率(ターニングにおける)
ap(mm):ミリメートルでの軸方向切り込み深さ
逃げ面摩耗試験:
長軸方向ターニング
被削材:Uddeholm Sverker 21(工具鋼)、硬さ約210HB、D=180、L=700mm、
Vc=125m/分
fn=0.072mm/回転
ap=2mm
切削液なし
クレーター摩耗試験:
長軸方向ターニング
被削材:Ovako 825B、ボールベアリング鋼。熱間圧延および焼きなまし済み、硬さ約200HB、D=160、L=700mm、
Vc=160m/分
fn=0.3mm/回転
ap=2mm
切削液あり
熱亀裂耐性(「くし状亀裂」耐性)試験:
ミーリング
被削材:Toolox33、PK158 600x200x100mm、P2.5.Z.HT
z=1
Vc=250m/分
fz=0.20mm
ae=12.5mm
ap=3.0
切削液あり
Claims (12)
- 基材およびコーティングを含む、金属機械加工のための被覆切削工具を製造する方法であって、コーティングが、立方晶相を含む(Ti、Al)Nの少なくとも1つの層を含み、方法が、Ti1-xAlxN(0.70≦x≦0.98)の層を堆積させることを含み、Ti1-xAlxNが立方晶相を含み、Ti1-xAlxNの層が、DCバイアス電圧-200~-400Vを使用し、かつアーク放電電流75~250Aを使用して、7~15PaのN2ガスの真空チャンバ圧での陰極アーク蒸気により堆積され、
Ti 1-x Al x Nの層が、0.70≦x≦0.85の立方晶構造を含む単層であるか、又は、
Ti 1-x Al x N層が、副層としての多層の一部であり、Ti 1-x Al x N副層が、少なくとも1つのさらなる(Ti、Al)Nの副層との繰り返しで存在する、方法。 - Ti1-xAlxNの層が、8~12PaのN2ガスの真空チャンバ圧で堆積される、請求項1に記載の方法。
- Ti1-xAlxNの層が、DCバイアス電圧-250~-350Vを使用して堆積される、請求項1又は2に記載の方法。
- (Ti、Al)N多層が、立方相のみが存在する、少なくともTi1-yAlyNおよびTi1-zAlzN(0.35≦y≦0.65および0.80≦z≦0.98)の交互する副層の多層である、請求項1又は2に記載の方法。
- 各(Ti、Al)N副層の平均厚さが1~20nmである、請求項1又は2に記載の方法。
- 立方相のみが存在する、少なくともTi1-yAlyNおよびTi1-zAlzN(0.35≦y≦0.65および0.80≦z≦0.98)の交互する副層の(Ti、Al)N多層を含み、個々の(Ti、Al)N副層の平均厚さが1~20nmであるコーティングを有する、金属機械加工のための被覆切削工具。
- 0.40≦y≦0.6および0.85≦z≦0.96である、請求項6に記載の被覆切削工具。
- 個々の副層の平均厚さが1.5~5nmである、請求項6又は7に記載の被覆切削工具。
- (Ti、Al)N多層の合計の厚さが0.5~10μmである、請求項6又は7に記載の被覆切削工具。
- (Ti、Al)N多層が、陰極アーク蒸気で堆積された多層である、請求項6又は7に記載の被覆切削工具。
- 被覆切削工具の基材が、超硬合金、サーメット、セラミック、立方晶窒化ホウ素および高速度鋼の群から選択される、請求項6又は7に記載の被覆切削工具。
- 金属機械加工のための、切削工具インサート、ドリル、またはソリッドエンドミルである、請求項6又は7に記載の被覆切削工具。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19181096.9 | 2019-06-19 | ||
| EP19181096 | 2019-06-19 | ||
| PCT/EP2020/066801 WO2020254429A1 (en) | 2019-06-19 | 2020-06-17 | A method of producing a coated cutting tool and a coated cutting tool |
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|---|---|
| JP2022540554A JP2022540554A (ja) | 2022-09-16 |
| JP7539418B2 true JP7539418B2 (ja) | 2024-08-23 |
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| JP2021574258A Active JP7539418B2 (ja) | 2019-06-19 | 2020-06-17 | 被覆切削工具を製造する方法および被覆切削工具 |
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|---|---|
| US (1) | US20220297196A1 (ja) |
| EP (1) | EP3987078A1 (ja) |
| JP (1) | JP7539418B2 (ja) |
| KR (1) | KR102744961B1 (ja) |
| CN (1) | CN114040991B (ja) |
| WO (1) | WO2020254429A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12319996B2 (en) * | 2021-02-17 | 2025-06-03 | Sumitomo Electric Hardmetal Corp. | Cutting tool |
| WO2022229427A1 (en) * | 2021-04-30 | 2022-11-03 | Walter Ag | A coated cutting tool |
| CN113249689B (zh) * | 2021-05-12 | 2021-12-10 | 东莞市华升真空镀膜科技有限公司 | 工件涂层及其制备方法与应用 |
| JP7319600B6 (ja) * | 2021-12-10 | 2023-08-18 | 株式会社タンガロイ | 被覆切削工具 |
| US20250326038A1 (en) * | 2022-06-01 | 2025-10-23 | Ab Sandvik Coromant | Coated cutting tool |
| JP7409554B1 (ja) * | 2022-09-22 | 2024-01-09 | 住友電気工業株式会社 | 切削工具 |
| WO2024115196A1 (en) * | 2022-11-28 | 2024-06-06 | Ab Sandvik Coromant | A coated cutting tool |
| WO2025132518A1 (en) * | 2023-12-20 | 2025-06-26 | Walter Ag | A coated cutting tool |
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| WO2009105024A1 (en) | 2008-02-21 | 2009-08-27 | Seco Tools Ab | Multilayered coated cutting tool |
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| EP2098611B1 (en) * | 2008-03-07 | 2013-02-13 | Seco Tools AB | Layered coated cutting tool |
| EP2835445A1 (en) * | 2010-04-23 | 2015-02-11 | Sulzer Metaplas GmbH | PVD coating for metal machining |
| EP2392688A1 (en) * | 2010-06-07 | 2011-12-07 | Sandvik Intellectual Property AB | Coated cutting tool |
| CN108368618B (zh) * | 2015-12-22 | 2020-12-11 | 山特维克知识产权股份有限公司 | 制造pvd层的方法和涂覆的切削工具 |
| EP3228726A1 (en) * | 2016-04-08 | 2017-10-11 | Seco Tools Ab | Coated cutting tool |
| JP6037256B1 (ja) * | 2016-04-14 | 2016-12-07 | 住友電工ハードメタル株式会社 | 表面被覆切削工具およびその製造方法 |
| US11220760B2 (en) * | 2016-04-14 | 2022-01-11 | Sumitomo Electric Hardmetal Corp. | Surface-coated cutting tool and method of producing the same |
| CN111032915B (zh) * | 2017-08-31 | 2022-05-03 | 瓦尔特公开股份有限公司 | 含有TiAlN纳米层膜的耐磨PVD工具涂层 |
| KR20200049701A (ko) | 2017-09-05 | 2020-05-08 | 오를리콘 서피스 솔루션스 아크티엔게젤샤프트, 페피콘 | Al이 풍부한 AlTiN 기반의 필름 |
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2020
- 2020-06-17 JP JP2021574258A patent/JP7539418B2/ja active Active
- 2020-06-17 WO PCT/EP2020/066801 patent/WO2020254429A1/en not_active Ceased
- 2020-06-17 EP EP20732248.8A patent/EP3987078A1/en active Pending
- 2020-06-17 KR KR1020227000948A patent/KR102744961B1/ko active Active
- 2020-06-17 US US17/619,295 patent/US20220297196A1/en active Pending
- 2020-06-17 CN CN202080044852.4A patent/CN114040991B/zh active Active
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| WO2009105024A1 (en) | 2008-02-21 | 2009-08-27 | Seco Tools Ab | Multilayered coated cutting tool |
| WO2017175803A1 (ja) | 2016-04-07 | 2017-10-12 | 株式会社タンガロイ | 被覆切削工具 |
| JP2018051705A (ja) | 2016-09-29 | 2018-04-05 | 三菱マテリアル株式会社 | 表面被覆切削工具 |
| JP2018161736A (ja) | 2017-03-27 | 2018-10-18 | 三菱マテリアル株式会社 | 表面被覆切削工具 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114040991A (zh) | 2022-02-11 |
| US20220297196A1 (en) | 2022-09-22 |
| KR20220024491A (ko) | 2022-03-03 |
| EP3987078A1 (en) | 2022-04-27 |
| CN114040991B (zh) | 2025-02-07 |
| JP2022540554A (ja) | 2022-09-16 |
| KR102744961B1 (ko) | 2024-12-19 |
| WO2020254429A1 (en) | 2020-12-24 |
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