JPS625726B2 - - Google Patents
Info
- Publication number
- JPS625726B2 JPS625726B2 JP16418383A JP16418383A JPS625726B2 JP S625726 B2 JPS625726 B2 JP S625726B2 JP 16418383 A JP16418383 A JP 16418383A JP 16418383 A JP16418383 A JP 16418383A JP S625726 B2 JPS625726 B2 JP S625726B2
- Authority
- JP
- Japan
- Prior art keywords
- drill
- cutting edge
- center
- cutting
- center line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000005553 drilling Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 4
- 239000010730 cutting oil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 235000021067 refined food Nutrition 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B23B2251/00—Details of tools for drilling machines
- B23B2251/18—Configuration of the drill point
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/46—Drills having a centre free from cutting edges or with recessed cutting edges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16418383A JPS6056809A (ja) | 1983-09-08 | 1983-09-08 | ドリル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16418383A JPS6056809A (ja) | 1983-09-08 | 1983-09-08 | ドリル |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6056809A JPS6056809A (ja) | 1985-04-02 |
JPS625726B2 true JPS625726B2 (de) | 1987-02-06 |
Family
ID=15788278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16418383A Granted JPS6056809A (ja) | 1983-09-08 | 1983-09-08 | ドリル |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6056809A (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6341411U (de) * | 1986-09-03 | 1988-03-18 | ||
JPH0741456B2 (ja) * | 1987-10-13 | 1995-05-10 | 株式会社不二越 | ドリル |
JPH0556970U (ja) * | 1991-12-27 | 1993-07-30 | 金井 宏之 | 紡機用トラベラ |
SE507842C2 (sv) * | 1992-09-24 | 1998-07-20 | Sandvik Ab | Borr |
SE525336C2 (sv) * | 2002-05-17 | 2005-02-01 | Sandvik Ab | Borrverktyg för hålborrning i metalliska material |
WO2008075693A1 (ja) | 2006-12-18 | 2008-06-26 | Max Co., Ltd. | 留付け具アセンブリ |
SE531188C2 (sv) * | 2007-05-29 | 2009-01-13 | Sandvik Intellectual Property | Borrkropp för spånavskiljande bearbetning |
DE102007040178B4 (de) * | 2007-08-25 | 2011-06-22 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG, 73431 | Bohrer |
EP2818267B1 (de) * | 2013-06-28 | 2016-03-30 | Seco Tools Ab | Spiralbohrer zur Metallbearbeitung |
US10279398B2 (en) | 2015-03-30 | 2019-05-07 | Mitsubishi Hitachi Tool Engineering, Ltd. | Drill |
JP5940205B1 (ja) * | 2015-10-20 | 2016-06-29 | 日進工具株式会社 | ドリル |
JP5940208B1 (ja) * | 2015-12-17 | 2016-06-29 | 日進工具株式会社 | ドリル |
JP6499610B2 (ja) * | 2016-04-19 | 2019-04-10 | ユニオンツール株式会社 | 穴明け工具 |
WO2019176452A1 (ja) * | 2018-03-16 | 2019-09-19 | 三菱日立ツール株式会社 | ドリル |
DE102018205681B4 (de) * | 2018-04-13 | 2023-06-15 | Kennametal Inc. | Verfahren zur Herstellung eines Schneidwerkzeugs und Schneidwerkzeug |
EP3981529A1 (de) * | 2020-10-08 | 2022-04-13 | Walter Ag | Bohrspitze |
-
1983
- 1983-09-08 JP JP16418383A patent/JPS6056809A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6056809A (ja) | 1985-04-02 |
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