KR20200047543A - 피복 절삭 공구 및 절삭 공구의 코팅 방법 - Google Patents
피복 절삭 공구 및 절삭 공구의 코팅 방법 Download PDFInfo
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Abstract
Description
Claims (18)
- 0.25-30 ㎛ 의 총 두께를 갖는 코팅과 기재 (substrate) 를 포함하는 피복 절삭 공구로서,
상기 코팅은 제 1 층과 제 2 층을 포함하고,
상기 제 1 층은 0.2-15 ㎛, 바람직하게는 0.2-10 ㎛, 가장 바람직하게는 0.5-5 ㎛ 의 두께를 갖는 내마모성 PVD 증착 층이며,
상기 제 1 층은 상기 기재와 상기 제 2 층 사이에 배치되고,
상기 제 2 층은 Cr 층이며, 상기 Cr 층은 상기 코팅의 최외부 층인, 피복 절삭 공구. - 제 1 항에 있어서,
상기 Cr 층의 두께가 0.05-5 ㎛, 바람직하게는 0.05-3 ㎛ 인 것을 특징으로 하는, 피복 절삭 공구. - 제 1 항 또는 제 2 항에 있어서,
상기 Cr 층은 PVD 증착 층인 것을 특징으로 하는, 피복 절삭 공구. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 Cr 층은 결정 방위 (crystallographic orientation) 관계가 0.3 < R1 < 1 인 체심 입방 구조를 가지며, 여기서 R1 = I(110)/(I(110)+I(200)+I(211)) 이고, I(110), I(200), 및 I(211) 은 각각 bcc 구조 (110), (200), 및 (211) Cr 층 회절 피크에 대해 CuKα 방사선으로 획득된 θ-2θ 스캔의 pseudo-Voigt 피크 프로파일 피팅 결과로부터 추출되는 XRD 피크 넓이 (peak area) 인 것을 특징으로 하는, 피복 절삭 공구. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 제 1 층은 0.1 < x < 0.7 및 0.6 < y < 1.1 인 (Ti1-xAlx)Ny 층인 것을 특징으로 하는, 피복 절삭 공구. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 제 1 층은 NaCl 구조 c-(Ti1-xAlx)Ny 층이고, 여기서 0.1 < x < 0.7 및 0.7 < y < 1.1 인 것을 특징으로 하는, 피복 절삭 공구. - 제 5 항 또는 제 6 항에 있어서,
0.5 < x < 0.6 인 것을 특징으로 하는, 피복 절삭 공구. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 제 1 층은 서브층 두께가 5 내지 50 nm 인 NaCl 구조 (Ti1-vAlv)Nw / (Ti1-aSia)Nb 나노라미네이트이고, 여기서 0.1 < v < 0.7, 바람직하게는 0.4 < v < 0.7, 0.7 < w < 1.1, 0.02 < a < 0.25, 바람직하게는 0.05 < a < 0.15, 및 0.7 < b < 1.1 인 것을 특징으로 하는, 피복 절삭 공구. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 제 1 층은 (Ti1-mSim)Nn 층이고, 여기서 0 ≤ m < 0.25, 바람직하게는 0 ≤ m < 0.15, 및 0.7 < n < 1.1 인 것을 특징으로 하는, 피복 절삭 공구. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 제 1 층은 (Cr1-cAlc)Nd 층이고, 여기서 0.5 < c < 0.9, 바람직하게는 0.5 < c < 0.8, 및 0.7 < d < 1.1 인 것을 특징으로 하는, 피복 절삭 공구. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 제 1 층은 (Cr1-eAle)2O3 층이고, 여기서 0.5 < e < 0.9, 바람직하게는 0.5 < e < 0.8 인 것을 특징으로 하는, 피복 절삭 공구. - 제 1 항 내지 제 11 항 중 어느 한 항에 있어서,
상기 Cr 층의 두께와 총 코팅 두께 사이의 비가 0.01 내지 2, 바람직하게는 0.01 내지 1, 가장 바람직하게는 0.05 내지 0.5 인 것을 특징으로 하는, 피복 절삭 공구. - 제 1 항 내지 제 12 항 중 어느 한 항에 있어서,
상기 제 1 층은 20 GPa 초과의 경도 H, 바람직하게는 24 GPa 초과의 경도 H 를 갖는 것을 특징으로 하는, 피복 절삭 공구. - 제 1 항 내지 제 10 항 중 어느 한 항 또는 제 12 항 또는 제 13 항에 있어서,
상기 제 1 층은 NaCl 타입 구조를 갖고, 상기 Cr 층은 면심 입방 구조를 가지며, (110) 면심 입방 Cr 피크의 XRD 피크 강도와 상기 제 1 층으로부터 유래하는 (200) NaCl 구조 피크의 XRD 피크 강도 사이의 비 R4 가 0.05 < R4 < 30 이고, XRD 피크 강도는 CuKα 방사선으로 획득된 θ-2θ 스캔의 pseudo-Voigt 피크 프로파일 피팅 결과로부터 추출되는 피크 넓이로서 평가되는 것을 특징으로 하는, 피복 절삭 공구. - 제 1 항 내지 제 14 항 중 어느 한 항에 있어서,
상기 기재는 초경합금, 서멧, 세라믹, 강 및 입방정 질화 붕소 중 적어도 하나를 포함하는 것을 특징으로 하는, 피복 절삭 공구. - 제 15 항에 있어서,
상기 초경합금은 WC 및 4-15 중량% Co 를 포함하는 것을 특징으로 하는, 피복 절삭 공구. - PVD (물리 기상 증착) 기술, 바람직하게는 음극 아크 증착에 의해, 초경합금, 서멧, 세라믹, 강 또는 입방정 질화 붕소의 기재에, 0.25-30 ㎛ 의 두께를 갖는 경질의 내마모성 코팅을 적용하는 단계로서, 상기 코팅은 제 1 층 및 제 2 층을 포함하고, 상기 제 2 코팅은 상기 코팅의 최외부 층으로서 배치되는 Cr 층인, 상기 적용하는 단계, 및
50 A 내지 200 A 의 증발 전류, 총 가스 압력 1.0 Pa 내지 7.0 Pa, 바람직하게는 2.0 Pa 내지 5.0 Pa 의 순수 Ar 을 함유하는 가스 분위기, 및 실온 내지 500℃ 의 증착 온도를 적용하고 순수 Cr 캐소드를 사용함으로써 상기 Cr 층을 성장시키는 단계
를 포함하는 피복 절삭 공구의 제조 방법. - 제 17 항에 있어서,
복합재 및/또는 합금화 (Ti,Al) 캐소드들을 사용하여, 그리고 1.0 Pa 내지 7.0 Pa, 바람직하게는 2.5 Pa 내지 5 Pa 의 총 가스 압력에서 N2 를 함유하며 Ar 과 선택적으로 혼합된 반응성 가스 분위기에서, 200 ℃ 내지 800 ℃, 바람직하게는 300 ℃ 내지 600 ℃ 의 온도에서, 0 V 내지 300 V, 바람직하게는 20 V 내지 150 V, 더 바람직하게는 30 V 내지 100 V 의 네거티브 기재 바이어스로, 증발 전류 50 A 내지 200 A 의 음극 아크 증발에 의해, 상기 기재와 상기 Cr 층 사이에, 0.1 < x < 0.7 및 0.7 < y < 1.1 의 (Ti1-xAlx)Ny-층인 제 1 층을 성장시키는 단계
를 포함하는 피복 절삭 공구의 제조 방법.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17188637.7A EP3450591A1 (en) | 2017-08-30 | 2017-08-30 | A coated cutting tool and a method for coating the cutting tool |
| EP17188637.7 | 2017-08-30 | ||
| PCT/EP2018/073339 WO2019043095A1 (en) | 2017-08-30 | 2018-08-30 | CUTTING CUTTING TOOL AND CUTTING TOOL COATING METHOD |
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| KR20200047543A true KR20200047543A (ko) | 2020-05-07 |
| KR102642652B1 KR102642652B1 (ko) | 2024-03-04 |
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| US (1) | US11292064B2 (ko) |
| EP (2) | EP3450591A1 (ko) |
| KR (1) | KR102642652B1 (ko) |
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| JP7443655B2 (ja) * | 2020-12-16 | 2024-03-06 | 住友電工ハードメタル株式会社 | 切削工具 |
| WO2022176057A1 (ja) * | 2021-02-17 | 2022-08-25 | 住友電工ハードメタル株式会社 | 切削工具 |
| WO2022248582A1 (en) * | 2021-05-27 | 2022-12-01 | Seco Tools Ab | Polycrystalline cubic boron nitride body |
| JP7409554B1 (ja) * | 2022-09-22 | 2024-01-09 | 住友電気工業株式会社 | 切削工具 |
| JP2025002719A (ja) * | 2023-06-23 | 2025-01-09 | 株式会社Moldino | 被覆切削工具 |
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| EP1195452A1 (en) * | 2000-08-31 | 2002-04-10 | Sumitomo Electric Industries, Ltd. | A tool of a surface-coated boron nitride sintered compact |
| KR20070063576A (ko) * | 2004-10-29 | 2007-06-19 | 스미또모 덴꼬오 하드메탈 가부시끼가이샤 | 날끝 교환형 절삭팁 및 그 제조 방법 |
| JP2009067043A (ja) * | 2007-09-14 | 2009-04-02 | Sulzer Metaplas Gmbh | 切削工具及び切削工具の製造方法 |
| US20090169910A1 (en) * | 2007-12-21 | 2009-07-02 | Sandvik Intellectual Property Ab | Method of making a coated cutting tool and cutting tool thereof |
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| JP3248898B2 (ja) * | 1999-03-19 | 2002-01-21 | 日立ツール株式会社 | 硬質皮膜被覆工具 |
| SE532049C2 (sv) * | 2008-03-07 | 2009-10-13 | Seco Tools Ab | Oxidbelagt skärverktygsskär för spånavskiljande bearbetning av stål |
| SE532050C2 (sv) * | 2008-03-07 | 2009-10-13 | Seco Tools Ab | Oxidbelagt skärverktygsskär för spånavskiljande bearbetning av stål |
| CN102666437B (zh) * | 2010-10-28 | 2014-03-12 | 住友电工硬质合金株式会社 | 表面被覆烧结体 |
| US8409702B2 (en) * | 2011-02-07 | 2013-04-02 | Kennametal Inc. | Cubic aluminum titanium nitride coating and method of making same |
| JP5838769B2 (ja) * | 2011-12-01 | 2016-01-06 | 三菱マテリアル株式会社 | 表面被覆切削工具 |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1195452A1 (en) * | 2000-08-31 | 2002-04-10 | Sumitomo Electric Industries, Ltd. | A tool of a surface-coated boron nitride sintered compact |
| KR20070063576A (ko) * | 2004-10-29 | 2007-06-19 | 스미또모 덴꼬오 하드메탈 가부시끼가이샤 | 날끝 교환형 절삭팁 및 그 제조 방법 |
| JP2009067043A (ja) * | 2007-09-14 | 2009-04-02 | Sulzer Metaplas Gmbh | 切削工具及び切削工具の製造方法 |
| US20090169910A1 (en) * | 2007-12-21 | 2009-07-02 | Sandvik Intellectual Property Ab | Method of making a coated cutting tool and cutting tool thereof |
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| KR102642652B1 (ko) | 2024-03-04 |
| US20210071291A1 (en) | 2021-03-11 |
| EP3450591A1 (en) | 2019-03-06 |
| CN111032913B (zh) | 2022-09-16 |
| EP3676420B1 (en) | 2021-07-07 |
| EP3676420A1 (en) | 2020-07-08 |
| WO2019043095A1 (en) | 2019-03-07 |
| US11292064B2 (en) | 2022-04-05 |
| CN111032913A (zh) | 2020-04-17 |
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