DE112019003181A5 - Stufenbohrer - Google Patents
Stufenbohrer Download PDFInfo
- Publication number
- DE112019003181A5 DE112019003181A5 DE112019003181.3T DE112019003181T DE112019003181A5 DE 112019003181 A5 DE112019003181 A5 DE 112019003181A5 DE 112019003181 T DE112019003181 T DE 112019003181T DE 112019003181 A5 DE112019003181 A5 DE 112019003181A5
- Authority
- DE
- Germany
- Prior art keywords
- step drill
- drill
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/009—Stepped 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
- B23B2251/04—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
- B23B2251/046—Variable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/08—Side or plan views of cutting edges
- B23B2251/082—Curved cutting edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/14—Configuration of the cutting part, i.e. the main cutting edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/40—Flutes, i.e. chip conveying grooves
- B23B2251/408—Spiral grooves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018115624.3 | 2018-06-28 | ||
DE102018115624.3A DE102018115624A1 (de) | 2018-06-28 | 2018-06-28 | Stufenbohrer |
PCT/EP2019/067302 WO2020002581A1 (de) | 2018-06-28 | 2019-06-28 | Stufenbohrer |
Publications (1)
Publication Number | Publication Date |
---|---|
DE112019003181A5 true DE112019003181A5 (de) | 2021-04-01 |
Family
ID=67262270
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102018115624.3A Withdrawn DE102018115624A1 (de) | 2018-06-28 | 2018-06-28 | Stufenbohrer |
DE112019003181.3T Pending DE112019003181A5 (de) | 2018-06-28 | 2019-06-28 | Stufenbohrer |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102018115624.3A Withdrawn DE102018115624A1 (de) | 2018-06-28 | 2018-06-28 | Stufenbohrer |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102018115624A1 (de) |
WO (1) | WO2020002581A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11273501B2 (en) * | 2018-04-26 | 2022-03-15 | Milwaukee Electric Tool Corporation | Step drill bit |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1205060A (en) * | 1967-10-10 | 1970-09-16 | Barworth Flockton Ltd | Improved drill |
DE9414659U1 (de) * | 1994-09-09 | 1994-11-17 | Dürr Präzisionswerkzeuge GmbH, 74613 Öhringen | Mehrstufenbohrer |
DE20004523U1 (de) * | 2000-03-10 | 2000-08-17 | Quanz, Reiner, 42859 Remscheid | Bohrwerkzeug |
US8029215B2 (en) * | 2007-01-05 | 2011-10-04 | Greenlee Textron Inc. | Spiral drill bit and method of forming same |
CN101007358A (zh) * | 2007-01-29 | 2007-08-01 | 张琦 | 单槽宝塔钻 |
-
2018
- 2018-06-28 DE DE102018115624.3A patent/DE102018115624A1/de not_active Withdrawn
-
2019
- 2019-06-28 WO PCT/EP2019/067302 patent/WO2020002581A1/de active Application Filing
- 2019-06-28 DE DE112019003181.3T patent/DE112019003181A5/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE102018115624A1 (de) | 2020-01-02 |
WO2020002581A1 (de) | 2020-01-02 |
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