KR200467736Y1 - 홑날 드릴비트 구조 - Google Patents
홑날 드릴비트 구조 Download PDFInfo
- Publication number
- KR200467736Y1 KR200467736Y1 KR2020100006606U KR20100006606U KR200467736Y1 KR 200467736 Y1 KR200467736 Y1 KR 200467736Y1 KR 2020100006606 U KR2020100006606 U KR 2020100006606U KR 20100006606 U KR20100006606 U KR 20100006606U KR 200467736 Y1 KR200467736 Y1 KR 200467736Y1
- Authority
- KR
- South Korea
- Prior art keywords
- blade
- drill
- discharge groove
- residue discharge
- drill bit
- Prior art date
Links
- 238000005520 cutting process Methods 0.000 claims abstract description 31
- 238000005498 polishing Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000002699 waste material Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/32—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools twist-drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
Description
도2는 도1의 A부분을 확대한 확대도이다.
도3은 본 고안의 또 다른 실시예의 국부 측시도이다.
도4는 본 고안의 또 다른 실시예의 사시도이다.
11 : 정점
12 : 절삭칼날
13 : 찌꺼기 배출홈
131 : 제1찌꺼기 배출홈
132 : 제2찌꺼기 배출홈
2 : 칼날자루부
Claims (2)
- 홑날 드릴비트의 구조에 관한 것으로서, 상기 드릴비트에는 드릴 칼날부가 설치되고, 상기 드릴 칼날부의 한 끝에는 칼날자루부가 연결 설치되고, 상기 칼날자루부에서 멀리 떨어진 상기 드릴 칼날부의 끝단 정점 부분에서 기울어진 방향으로 절삭칼날이 뻗어나와 설치되고, 상기 절삭칼날의 한 측은 2차 연마방식으로 상기 드릴 칼날부 표면에 찌꺼기 배출홈을 연마해 내고, 상기 찌꺼기 배출홈은 절삭칼날의 한측으로부터 칼날자루부 쪽을 향해 회전하는 형태로 형성되고, 상기 찌거기 배출홈은 병렬로 연결되어 서로 통해 있는 제1찌꺼기 배출홈과 제2찌꺼기 배출홈을 갖추고 있고,
상기 제1찌꺼기 배출홈과 제2 찌꺼기 배출홈은 드릴 칼날부의 정점에서 부분적으로 겹쳐지는 형상이 되며, 또한 겹치는 부분이 칼날자루부를 향해 감소됨으로써 상기 제1찌꺼기 배출홈과 제2찌꺼기 배출홈은 회전하면서 점점 확대되는 형상이 되어, 찌꺼기 배출홈이 드릴 칼날부 끝단에서 칼날자루부를 향해 넓이가 점점 커지는 형상으로 형성되고,
찌꺼기 배출홈의 깊이가 드릴 칼날부의 정점에서 칼날자루부를 향해 점점 얕아지기 때문에, 드릴 칼날부의 찌꺼기 배출홈 중앙에 형성된 드릴심은 정점 부분에서 칼날자루부를 향해 점점 확대되어가는 테이퍼(Taper) 형상으로 형성되는 하는 것을 특징으로 하는 홑날 드릴비트 구조. - 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2020100006606U KR200467736Y1 (ko) | 2010-06-23 | 2010-06-23 | 홑날 드릴비트 구조 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2020100006606U KR200467736Y1 (ko) | 2010-06-23 | 2010-06-23 | 홑날 드릴비트 구조 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20110011995U KR20110011995U (ko) | 2011-12-29 |
KR200467736Y1 true KR200467736Y1 (ko) | 2013-07-02 |
Family
ID=45569117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2020100006606U KR200467736Y1 (ko) | 2010-06-23 | 2010-06-23 | 홑날 드릴비트 구조 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR200467736Y1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114932386B (zh) * | 2022-04-24 | 2023-12-22 | 维克多精密工业技术(苏州)有限责任公司 | 高合格率刀具制备工艺 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003311522A (ja) * | 2002-04-26 | 2003-11-05 | Sumitomo Electric Ind Ltd | 1枚刃ドリル |
KR20040020853A (ko) * | 2002-09-03 | 2004-03-09 | 미쓰비시 마테리알 가부시키가이샤 | 드릴 및 그 제조방법 |
-
2010
- 2010-06-23 KR KR2020100006606U patent/KR200467736Y1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003311522A (ja) * | 2002-04-26 | 2003-11-05 | Sumitomo Electric Ind Ltd | 1枚刃ドリル |
KR20040020853A (ko) * | 2002-09-03 | 2004-03-09 | 미쓰비시 마테리알 가부시키가이샤 | 드릴 및 그 제조방법 |
Also Published As
Publication number | Publication date |
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KR20110011995U (ko) | 2011-12-29 |
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