JPS6341410U - - Google Patents
Info
- Publication number
- JPS6341410U JPS6341410U JP13492686U JP13492686U JPS6341410U JP S6341410 U JPS6341410 U JP S6341410U JP 13492686 U JP13492686 U JP 13492686U JP 13492686 U JP13492686 U JP 13492686U JP S6341410 U JPS6341410 U JP S6341410U
- Authority
- JP
- Japan
- Prior art keywords
- blade part
- drill
- rake face
- thinning
- bent
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Drilling Tools (AREA)
Description
図面は本考案の一実施例を示し、第1図は全体
の正面図、第2図は第1図―矢視図、第3図
は要部拡大図、第4図は第2図―線拡大断面
図である。
a……ドリル回転方向、2……切れ刃、21,
22……第1,第2刃部、6……先端部、7……
チゼルエツジ、8……外周コーナ、9……すくい
面。
The drawings show one embodiment of the present invention, and FIG. 1 is an overall front view, FIG. 2 is a view taken from FIG. It is an enlarged sectional view. a... Drill rotation direction, 2... Cutting edge, 2 1 ,
2 2 ...First and second blade parts, 6...Tip part, 7...
Chisel edge, 8... Outer corner, 9... Rake face.
Claims (1)
を外周コーナ側の第1刃部および該第1刃部より
折曲がる、チゼルエツジ側の第2刃部より構成し
たドリルにおいて、前記第2刃部に連なるすくい
面を、該第2刃部よりドリル回転方向後側に向か
う斜面に形成したことを特徴とするドリル。 A drill in which the cutting edge is formed of a first blade part on the outer peripheral corner side and a second blade part on the chisel edge side that is bent from the first blade part by thinning the tip part, which is connected to the second blade part. A drill characterized in that a rake face is formed as an inclined surface facing rearward in the rotational direction of the drill from the second blade part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986134926U JPH0333376Y2 (en) | 1986-09-03 | 1986-09-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986134926U JPH0333376Y2 (en) | 1986-09-03 | 1986-09-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6341410U true JPS6341410U (en) | 1988-03-18 |
JPH0333376Y2 JPH0333376Y2 (en) | 1991-07-16 |
Family
ID=31036628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986134926U Expired JPH0333376Y2 (en) | 1986-09-03 | 1986-09-03 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0333376Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023032180A1 (en) * | 2021-09-06 | 2023-03-09 | オーエスジー株式会社 | Drill |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5064888A (en) * | 1973-10-12 | 1975-06-02 |
-
1986
- 1986-09-03 JP JP1986134926U patent/JPH0333376Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5064888A (en) * | 1973-10-12 | 1975-06-02 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023032180A1 (en) * | 2021-09-06 | 2023-03-09 | オーエスジー株式会社 | Drill |
Also Published As
Publication number | Publication date |
---|---|
JPH0333376Y2 (en) | 1991-07-16 |
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