IL47302A - Twist drill having a constant lip rake angle along the cutting edge - Google Patents
Twist drill having a constant lip rake angle along the cutting edgeInfo
- Publication number
- IL47302A IL47302A IL47302A IL4730275A IL47302A IL 47302 A IL47302 A IL 47302A IL 47302 A IL47302 A IL 47302A IL 4730275 A IL4730275 A IL 4730275A IL 47302 A IL47302 A IL 47302A
- Authority
- IL
- Israel
- Prior art keywords
- cutting edge
- rake angle
- angle along
- twist drill
- lip
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—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
- B23B2251/04—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
- B23B2251/24—Overall form of drilling tools
- B23B2251/241—Cross sections of the diameter of the drill
-
- 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
- B23B2251/406—Flutes, i.e. chip conveying grooves of special form not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB22130/74A GB1509912A (en) | 1974-05-17 | 1974-05-17 | Twist drills |
Publications (2)
Publication Number | Publication Date |
---|---|
IL47302A0 IL47302A0 (en) | 1975-07-28 |
IL47302A true IL47302A (en) | 1978-03-10 |
Family
ID=10174379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL47302A IL47302A (en) | 1974-05-17 | 1975-05-14 | Twist drill having a constant lip rake angle along the cutting edge |
Country Status (15)
Country | Link |
---|---|
JP (1) | JPS50156790A (en) |
AU (1) | AU500271B2 (en) |
BR (1) | BR7503011A (en) |
CA (1) | CA1022775A (en) |
DE (1) | DE2521938C3 (en) |
ES (1) | ES437919A1 (en) |
FR (1) | FR2270978A1 (en) |
GB (1) | GB1509912A (en) |
IE (1) | IE41050B1 (en) |
IL (1) | IL47302A (en) |
IN (1) | IN144887B (en) |
IT (1) | IT1038197B (en) |
NL (1) | NL7505612A (en) |
SE (1) | SE7505581L (en) |
ZA (1) | ZA753040B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5331286A (en) * | 1976-09-02 | 1978-03-24 | Riyousuke Hosoi | Ball end mill |
SE8300910L (en) * | 1983-02-18 | 1984-08-19 | Santrade Ltd | COMPOSITION BODY CONSISTS OF A SUBSTRATE COATED WITH HEART, Wear-resistant finish |
GB2184046B (en) * | 1985-12-13 | 1990-01-24 | Skf & Dormer Tools | Twist drill |
JPS634211U (en) * | 1986-06-23 | 1988-01-12 | ||
WO1990004473A1 (en) * | 1988-10-21 | 1990-05-03 | Alexei Vladimirovich Zubkov | Twist drill |
EP1275458A1 (en) * | 2001-07-10 | 2003-01-15 | Mitsubishi Materials Corporation | Drill |
JP2006055965A (en) * | 2004-08-23 | 2006-03-02 | Osg Corp | Cemented carbide drill causing low work hardening |
CN102438786A (en) * | 2009-02-20 | 2012-05-02 | Osg株式会社 | Tap with drill |
-
1974
- 1974-05-17 GB GB22130/74A patent/GB1509912A/en not_active Expired
-
1975
- 1975-05-08 IE IE1033/75A patent/IE41050B1/en unknown
- 1975-05-09 CA CA226,654A patent/CA1022775A/en not_active Expired
- 1975-05-12 ZA ZA00753040A patent/ZA753040B/en unknown
- 1975-05-13 NL NL7505612A patent/NL7505612A/en not_active Application Discontinuation
- 1975-05-14 IL IL47302A patent/IL47302A/en unknown
- 1975-05-14 IN IN971/CAL/1975A patent/IN144887B/en unknown
- 1975-05-15 BR BR3840/75D patent/BR7503011A/en unknown
- 1975-05-15 SE SE7505581A patent/SE7505581L/en unknown
- 1975-05-15 FR FR7515147A patent/FR2270978A1/fr not_active Withdrawn
- 1975-05-16 DE DE2521938A patent/DE2521938C3/en not_active Expired
- 1975-05-16 ES ES437919A patent/ES437919A1/en not_active Expired
- 1975-05-16 JP JP50058458A patent/JPS50156790A/ja active Pending
- 1975-05-16 IT IT23421/75A patent/IT1038197B/en active
- 1975-05-19 AU AU81256/75A patent/AU500271B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IN144887B (en) | 1978-07-22 |
NL7505612A (en) | 1975-11-19 |
DE2521938B2 (en) | 1979-07-05 |
FR2270978A1 (en) | 1975-12-12 |
IE41050B1 (en) | 1979-10-10 |
ES437919A1 (en) | 1977-01-01 |
IT1038197B (en) | 1979-11-20 |
DE2521938C3 (en) | 1980-03-06 |
JPS50156790A (en) | 1975-12-18 |
IE41050L (en) | 1975-11-17 |
ZA753040B (en) | 1976-04-28 |
GB1509912A (en) | 1978-05-04 |
AU8125675A (en) | 1976-11-25 |
DE2521938A1 (en) | 1975-11-27 |
AU500271B2 (en) | 1979-05-17 |
IL47302A0 (en) | 1975-07-28 |
SE7505581L (en) | 1975-11-18 |
BR7503011A (en) | 1976-04-20 |
CA1022775A (en) | 1977-12-20 |
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