KR890004838A - 인성 플라스틱을 뚫기 위한 트위스트 드릴 - Google Patents
인성 플라스틱을 뚫기 위한 트위스트 드릴 Download PDFInfo
- Publication number
- KR890004838A KR890004838A KR1019880011074A KR880011074A KR890004838A KR 890004838 A KR890004838 A KR 890004838A KR 1019880011074 A KR1019880011074 A KR 1019880011074A KR 880011074 A KR880011074 A KR 880011074A KR 890004838 A KR890004838 A KR 890004838A
- Authority
- KR
- South Korea
- Prior art keywords
- drill
- twist drill
- twist
- diameter
- angle
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/16—Perforating by tool or tools of the drill type
-
- 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
- B23B2226/00—Materials of tools or workpieces not comprising a metal
- B23B2226/61—Plastics not otherwise provided for, e.g. nylon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/04—Angles, e.g. cutting angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/04—Angles, e.g. cutting angles
- B23B2251/043—Helix angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/18—Configuration of the drill point
-
- 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
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/909—Having peripherally spaced cutting edges
- Y10T408/9095—Having peripherally spaced cutting edges with axially extending relief channel
- Y10T408/9097—Spiral channel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Drilling Tools (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1도는 본 발명에 따른 트위스트 드링의 상세 특면도
제 2도는 본 트위스트 드릴의 단부도
제 3도는 본 트위스트 드릴의 평면도
Claims (11)
- 종축을 가지며, 여유면이 상기 축에 대하여 적어도 30˚의 호에 걸쳐 뻗어 있고 선단각 60˚-100˚, 상기 여유면에 대한 절삭날의 여유각이 1˚-5˚인 트위스튼 드릴.
- 제 1항에 있어서, 선단각이 75˚-95˚이며, 적어도 두개의 여유면이 종축에 대하여 적어도 30˚의 호에 걸쳐 뻗어 있고, 상기 여유면에 대한 절삭날의 여유각이 약 2˚-약 3˚임을 특징으로 하는 트위스트 드릴.
- 제 1항 또는 제 2항에 있어서, 나선각이 20˚-40˚인 트위스트 드릴.
- 제 3항에 있어서, 나선각이 24˚-30˚인 트위스트 드릴.
- 제 4항에 있어서, 나선각이 거의 30˚인 트위스트 드릴.
- 상기 항중 어느 한 항에 있어서, 마진(margin)이 드릴 직경의 9%-11%인 트위스트 드릴.
- 상기 항중 어느 한 항에 있어서, 몸체 여유 직경이 드릴 직경이 94%-96%인 트위스트 드릴.
- 제 7항에 있어서, 랜드폭이 드릴 직경의 62%-64%인 트위스트 드릴.
- 상기 항중 어느 한 항에 있어서, 웨브 두께가 드릴 직경의 약 5/32인 트위스트 드릴.
- 상기 항중 어느 한 항에 있어서, 직경이 1inch 이하인 트위스트 드릴.
- 상기 항중 어느 한 항에 있어서, 랜드(Land)폭이 드릴 직경의 55%-70%인 트위스트 드릴.※참고사항:최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US093,375 | 1987-09-04 | ||
US07/093,375 US4789276A (en) | 1987-09-04 | 1987-09-04 | Twist drill for tough plastics |
Publications (1)
Publication Number | Publication Date |
---|---|
KR890004838A true KR890004838A (ko) | 1989-05-10 |
Family
ID=22238577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880011074A KR890004838A (ko) | 1987-09-04 | 1988-08-30 | 인성 플라스틱을 뚫기 위한 트위스트 드릴 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4789276A (ko) |
EP (1) | EP0305865A1 (ko) |
JP (1) | JPH0197513A (ko) |
KR (1) | KR890004838A (ko) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2656554A1 (fr) * | 1989-12-28 | 1991-07-05 | Snecma | Outil de percage de precision pour materiaux composites. |
JPH03264205A (ja) * | 1990-03-15 | 1991-11-25 | Kubota Corp | 内面樹脂ライニング材の穿孔工具 |
DE4028261A1 (de) * | 1990-08-06 | 1992-02-13 | Fischer Artur Werke Gmbh | Bohrer zur herstellung von zylindrischen bohrloechern |
JP2595741Y2 (ja) * | 1991-11-14 | 1999-06-02 | 株式会社タブチ | ライニング管用ドリル |
DE4338545C2 (de) * | 1993-11-11 | 1995-06-01 | Sanipa Gmbh Badeinrichtungen | Bohrstift, insbesondere für Holz und Holzwerkstoffe |
US5609447A (en) * | 1993-11-15 | 1997-03-11 | Rogers Tool Works, Inc. | Surface decarburization of a drill bit |
US5628837A (en) * | 1993-11-15 | 1997-05-13 | Rogers Tool Works, Inc. | Surface decarburization of a drill bit having a refined primary cutting edge |
USD419575S (en) * | 1999-01-07 | 2000-01-25 | Kouvato, Inc. | Drill bit |
US6457916B2 (en) | 1999-11-15 | 2002-10-01 | Insty-Bit, Inc. | Locking quick-change chuck assembly |
US6561523B1 (en) | 1999-11-18 | 2003-05-13 | James L. Wienhold | Automatic tool-bit holder |
USD430584S (en) * | 1999-12-07 | 2000-09-05 | Kouvato, Inc. | Drill bit |
US6588994B2 (en) | 2000-05-17 | 2003-07-08 | James L. Wienhold | Drill bit tail |
AU2003250578B2 (en) * | 2002-08-08 | 2009-07-23 | Surgibit Ip Holdings Pty Limited | A drill bit and method for producing a drill bit |
TWM268121U (en) * | 2004-10-12 | 2005-06-21 | Shiao Puo Shi Entpr Co Ltd | Cutting portion on a drill bit |
US20080019787A1 (en) * | 2006-07-24 | 2008-01-24 | Karthikeyan Sampath | Drill for machining fiber reinforced composite material |
US7871224B2 (en) * | 2007-09-26 | 2011-01-18 | Robert Bosch Gmbh | Drill bit and reamer |
GB2492583A (en) * | 2011-07-06 | 2013-01-09 | Sandvik Intellectual Property | Twist drill for composite materials |
USD874899S1 (en) * | 2018-05-14 | 2020-02-11 | Fu-Hsing Lin | Drill tool |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2859695A (en) * | 1953-02-06 | 1958-11-11 | Rolle Edward | Submarine signal bomb |
US2936658A (en) * | 1956-08-08 | 1960-05-17 | Oscar L Riley | Twist drill |
US2859645A (en) * | 1957-04-05 | 1958-11-11 | Cleveland Twist Drill Co | Drilling bit for construction work |
DE2105664A1 (de) * | 1971-02-08 | 1972-08-17 | Reinholdt As H | Bohrer |
DD149321B1 (de) * | 1980-02-29 | 1983-07-27 | Guenter Schulze | Spiralbohrer zur bearbeitung geringer werkstueckdicken |
-
1987
- 1987-09-04 US US07/093,375 patent/US4789276A/en not_active Expired - Fee Related
-
1988
- 1988-08-23 EP EP88113728A patent/EP0305865A1/en not_active Withdrawn
- 1988-08-29 JP JP63214727A patent/JPH0197513A/ja active Pending
- 1988-08-30 KR KR1019880011074A patent/KR890004838A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0305865A1 (en) | 1989-03-08 |
US4789276A (en) | 1988-12-06 |
JPH0197513A (ja) | 1989-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |