KR20200065401A - 난삭재용 절삭 인써트 - Google Patents
난삭재용 절삭 인써트 Download PDFInfo
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- KR20200065401A KR20200065401A KR1020180151845A KR20180151845A KR20200065401A KR 20200065401 A KR20200065401 A KR 20200065401A KR 1020180151845 A KR1020180151845 A KR 1020180151845A KR 20180151845 A KR20180151845 A KR 20180151845A KR 20200065401 A KR20200065401 A KR 20200065401A
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Abstract
본 발명에 따른 절삭 인써트는, 하기 [식 1]에 의해 구해지는 SMS 값이 50 ~ 80인 초경합금 모재와, 상기 초경합금 모재 상에 형성된 두께 0.4 ~ 1.5㎛의 세라믹 박막을 포함하는 것을 특징으로 한다.
[식 1]
SMS = 소결체의 포화자화값×100/TMS
(TMS = 2010×Co의 질량비)
Description
도 2는 도 1의 절삭시험 후 인선부에 대한 확대 이미지이다.
| 순번 | 모재 조성 | 냉각속도 | SMS (%) | ||
| WC | Co | Cr3C2 | |||
| 1 | 94 | 6 | 0 | -2℃/분 | 92 |
| 2 | 94 | 6 | 0 | -10℃/분 | 82 |
| 3 | 93.5 | 6 | 0.5 | -2℃/분 | 77 |
| 4 | 93.5 | 6 | 0.5 | -10℃/분 | 68 |
| 5 | 92.8 | 6 | 1.2 | -2℃/분 | 52 |
| 6 | 92.8 | 6 | 1.2 | -10℃/분 | 47 |
| No. | SMS (%) |
박막두께 (㎛) |
절삭수명 (초) |
수명종료유형 | 비고 |
| 1-1 | 92 | 0.3 | 30 | 초기용착 마모 | 비교예 |
| 1-2 | 92 | 0.5 | 55 | 초기박리 후 용착 | 비교예 |
| 1-3 | 92 | 1.2 | 60 | 초기박리+경계치핑 | 비교예 |
| 1-4 | 92 | 1.9 | 60 | 초기박리+경계치핑 | 비교예 |
| 2-1 | 82 | 0.3 | 45 | 초기용착 마모 | 비교예 |
| 2-2 | 82 | 0.5 | 120 | 박리 후 용착 | 비교예 |
| 2-3 | 82 | 1.2 | 90 | 초기박리 후 용착 | 비교예 |
| 2-4 | 82 | 1.9 | 60 | 초기박리+경계치핑 | 비교예 |
| 3-1 | 77 | 0.3 | 165 | 박리 후 용착 | 비교예 |
| 3-2 | 77 | 0.5 | 360 | 정상마모 후 박리용착 | 실시예 |
| 3-3 | 77 | 1.2 | 305 | 정상마모 후 박리용착 | 비교예 |
| 3-4 | 77 | 1.9 | 125 | 초기박리+경계치핑 | 비교예 |
| 4-1 | 68 | 0.3 | 220 | 박리 후 용착 | 비교예 |
| 4-2 | 68 | 0.5 | 480 | 정상마모 후 박리용착 | 실시예 |
| 4-3 | 68 | 1.2 | 390 | 정상마모 후 박리용착 | 실시예 |
| 4-4 | 68 | 1.9 | 135 | 초기박리+경계치핑 | 비교예 |
| 5-1 | 52 | 0.3 | 280 | 박리 후 용착 | 비교예 |
| 5-2 | 52 | 0.5 | 420 | 정상마모 후 박리용착 | 실시예 |
| 5-3 | 52 | 1.2 | 360 | 정상마모 후 박리용착 | 실시예 |
| 5-4 | 52 | 1.9 | 120 | 초기박리+경계치핑 | 비교예 |
| 6-1 | 47 | 0.3 | 20 | 초기박리+모재뜯김 | 비교예 |
| 6-2 | 47 | 0.5 | 52 | 초기박리+모재뜯김 | 비교예 |
| 6-3 | 47 | 1.2 | 30 | 초기박리+모재뜯김 | 비교예 |
| 6-4 | 47 | 1.9 | 20 | 초기박리+모재뜯김 | 비교예 |
| 모재 | 금속 결합층 |
밀착도 (N) |
막두께 | 절삭가공 수명 | 수명종료유형 |
| 4 | 없음 | 55 | 0.5 | 15초 | 초기박리 파손 |
| 4 | Ti | 65 | 0.5 | 50초 | 초기박리 파손 |
| 4 | TiN | 75 | 0.5 | 360초 | 정상마모 후 종료 |
| 4 | Cr | 85 | 0.5 | 420초 | 정상마모 후 종료 |
| 4 | CrN | 100 | 0.5 | 500초 | 정상마모 후 종료 |
| 4 | Ti/TiN | 115 | 0.5 | 490초 | 정상마모 후 종료 |
Claims (8)
- 하기 [식 1]에 의해 구해지는 SMS 값이 50 ~ 80%인 초경합금 모재와,
상기 초경합금 모재 상에 형성된 두께 0.4 ~ 1.5㎛의 세라믹 박막을 포함하는, 난삭재용 절삭 인써트.
[식 1]
SMS = 소결체의 포화자화값×100/TMS
(TMS = 2010×Co의 질량비) - 제1항에 있어서,
상기 초경합금 모재는, Co 4 ~ 8중량%, 텅스텐(W)를 제외한, 주기율표 중 4족, 5족, 6족 금속에서 선택되는 1종 이상의 금속의 탄화물, 탄질화물, 탄산질화물, 또는 이들의 혼합물을 포함하는 입성장억제제 5중량% 이하, 나머지 WC를 포함하는 초경합금인, 난삭재용 절삭 인써트. - 제2항에 있어서,
상기 초경합금 모재는 추가로 희토류 원소 1종 이상을 포함하고,
상기 입성장억제제와 희토류 원소의 합이 5중량% 이하인, 난삭재용 절삭 인써트. - 제1항에 있어서,
상기 절삭 인써트는, 절삭속도(Vc) 20 ~ 100mm/min의 조건용인, 난삭재용 절삭 인써트. - 제1항에 있어서,
상기 초경합금 모재는, 델타 또는 프리카본과 같은 비정상 조직이 없는, 난삭재용 절삭 인써트. - 제1항에 있어서,
상기 초경합금 모재와 세라믹 박막간의 밀착도는 스크레치 테스터로 75N 이상인, 난삭재용 절삭 인써트. - 제1항에 있어서,
상기 세라믹 박막의 경도는 30GPa 이상인, 난삭재용 절삭 인써트. - 제1항에 있어서,
상기 세라믹 박막은, PVD법으로 형성되는 Ti1-a-bAlaMebN(Me은 Si, W, Nb, Mo, Ta, Hf, Zr, Y 중에서 선택되는 적어도 1종, 0.3≤a≤0.7, 0≤b≤0.1)을 포함하는 1층 이상으로 이루어진, 난삭재용 절삭 인써트.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180151845A KR102167990B1 (ko) | 2018-11-30 | 2018-11-30 | 난삭재용 절삭 인써트 |
| US16/690,717 US11123803B2 (en) | 2018-11-30 | 2019-11-21 | Cutting insert for hard-to-cut material |
| DE102019131974.9A DE102019131974A1 (de) | 2018-11-30 | 2019-11-26 | Schneideinsatz für schwer zerspanbares Material |
| CN201911179092.3A CN111250787A (zh) | 2018-11-30 | 2019-11-27 | 难切削材料用切削刀片 |
| JP2019216804A JP2020082349A (ja) | 2018-11-30 | 2019-11-29 | 難削材用切削インサート |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180151845A KR102167990B1 (ko) | 2018-11-30 | 2018-11-30 | 난삭재용 절삭 인써트 |
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| Publication Number | Publication Date |
|---|---|
| KR20200065401A true KR20200065401A (ko) | 2020-06-09 |
| KR102167990B1 KR102167990B1 (ko) | 2020-10-20 |
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| KR1020180151845A Expired - Fee Related KR102167990B1 (ko) | 2018-11-30 | 2018-11-30 | 난삭재용 절삭 인써트 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11123803B2 (ko) |
| JP (1) | JP2020082349A (ko) |
| KR (1) | KR102167990B1 (ko) |
| CN (1) | CN111250787A (ko) |
| DE (1) | DE102019131974A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| PL441123A1 (pl) * | 2022-05-08 | 2023-11-13 | Zakład Mechaniki Maszyn Bukpol Łagodziński Spółka Jawna | Frez palcowy dwuścinowy do wysokowydajnej obróbki metali nieżelaznych, w szczególności stopów aluminium o niskiej zawartości krzemu |
Citations (4)
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| KR20100130752A (ko) * | 2009-06-04 | 2010-12-14 | 한국야금 주식회사 | 절삭공구용 pvd 다층막 |
| KR20150073707A (ko) * | 2013-12-23 | 2015-07-01 | 한국야금 주식회사 | 난삭재 및 주철가공 절삭공구용 피막 |
| KR101792534B1 (ko) * | 2016-05-30 | 2017-11-02 | 한국야금 주식회사 | 초경합금 절삭공구 |
| KR101859644B1 (ko) | 2017-11-28 | 2018-05-18 | 한국야금 주식회사 | 절삭공구용 소결합금 및 난삭재용 절삭공구 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0598385A (ja) | 1991-10-08 | 1993-04-20 | Sumitomo Electric Ind Ltd | 高性能超硬合金 |
| JP2004090150A (ja) | 2002-08-30 | 2004-03-25 | Sumitomo Electric Ind Ltd | 表面被覆切削工具 |
| JP2006111890A (ja) * | 2004-10-12 | 2006-04-27 | Hitachi Tool Engineering Ltd | 被覆超硬合金部材と希土類元素含有超硬合金の製造方法 |
| JP2006218589A (ja) | 2005-02-14 | 2006-08-24 | Hitachi Tool Engineering Ltd | 非晶質炭素皮膜被覆部材 |
| WO2006104004A1 (ja) | 2005-03-28 | 2006-10-05 | Kyocera Corporation | 超硬合金および切削工具 |
| JP2006326688A (ja) | 2005-05-23 | 2006-12-07 | Hitachi Tool Engineering Ltd | 被覆超硬合金製ブローチ |
| DE102007046380B9 (de) * | 2006-09-27 | 2012-12-06 | Kyocera Corporation | Schneidwerkzeug |
| CN101210310B (zh) | 2007-12-21 | 2010-12-08 | 广州有色金属研究院 | 微型钻头表面改性用多元多层硬质薄膜材料及其制备方法 |
| JP2011235410A (ja) * | 2010-05-12 | 2011-11-24 | Mitsubishi Materials Corp | 耐熱合金の切削加工で優れた耐欠損性を発揮するwc基超硬合金製切削工具および表面被覆wc基超硬合金製切削工具 |
| KR101165699B1 (ko) * | 2010-06-30 | 2012-07-18 | 한국야금 주식회사 | 초경합금 소결체 및 이의 제조방법 |
| KR101351845B1 (ko) * | 2012-05-02 | 2014-01-16 | 한국야금 주식회사 | 절삭공구용 경질피막 |
| GB201302345D0 (en) * | 2013-02-11 | 2013-03-27 | Element Six Gmbh | Cemented carbide material and method of making same |
| JP6379518B2 (ja) * | 2014-02-27 | 2018-08-29 | 新日鐵住金株式会社 | 超硬工具およびその製造方法 |
-
2018
- 2018-11-30 KR KR1020180151845A patent/KR102167990B1/ko not_active Expired - Fee Related
-
2019
- 2019-11-21 US US16/690,717 patent/US11123803B2/en not_active Expired - Fee Related
- 2019-11-26 DE DE102019131974.9A patent/DE102019131974A1/de not_active Withdrawn
- 2019-11-27 CN CN201911179092.3A patent/CN111250787A/zh active Pending
- 2019-11-29 JP JP2019216804A patent/JP2020082349A/ja active Pending
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| KR20100130752A (ko) * | 2009-06-04 | 2010-12-14 | 한국야금 주식회사 | 절삭공구용 pvd 다층막 |
| KR20150073707A (ko) * | 2013-12-23 | 2015-07-01 | 한국야금 주식회사 | 난삭재 및 주철가공 절삭공구용 피막 |
| KR101792534B1 (ko) * | 2016-05-30 | 2017-11-02 | 한국야금 주식회사 | 초경합금 절삭공구 |
| KR101859644B1 (ko) | 2017-11-28 | 2018-05-18 | 한국야금 주식회사 | 절삭공구용 소결합금 및 난삭재용 절삭공구 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111250787A (zh) | 2020-06-09 |
| DE102019131974A1 (de) | 2020-06-04 |
| US11123803B2 (en) | 2021-09-21 |
| JP2020082349A (ja) | 2020-06-04 |
| KR102167990B1 (ko) | 2020-10-20 |
| US20200171583A1 (en) | 2020-06-04 |
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