JPH01125110U - - Google Patents
Info
- Publication number
- JPH01125110U JPH01125110U JP2097988U JP2097988U JPH01125110U JP H01125110 U JPH01125110 U JP H01125110U JP 2097988 U JP2097988 U JP 2097988U JP 2097988 U JP2097988 U JP 2097988U JP H01125110 U JPH01125110 U JP H01125110U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- helical groove
- tip
- cutting edge
- continuous
- 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
Description
第１図は本考案のドリルの一実施例を示す側面
図、第２図は第１図のドリル先端の拡大側面図、
第３図は同拡大正面図、第４図は従来のドリルを
示す側面図、第５図は第４図のドリル先端の拡大
断面図である。
１……ドリル、１ａ……ドリルボデー、１ｂ…
…シヤンク、１ｃ……先端チツプ、１ｄ，１ｊ…
…油穴、１ｅ……ねじれ溝、１ｆ……逃げ面、１
ｇ……テーパピン部、１ｈ……切れ刃、１ｉ……
シンニング部、２……ドリル。
Fig. 1 is a side view showing an embodiment of the drill of the present invention, Fig. 2 is an enlarged side view of the tip of the drill shown in Fig. 1,
3 is an enlarged front view of the same, FIG. 4 is a side view showing the conventional drill, and FIG. 5 is an enlarged sectional view of the tip of the drill shown in FIG. 4. 1...Drill, 1a...Drill body, 1b...
...Shank, 1c... Tip tip, 1d, 1j...
...oil hole, 1e...twisted groove, 1f...flank surface, 1
g... Taper pin part, 1h... Cutting edge, 1i...
Thinning section, 2...drill.
Claims (1)
を形成し、ドリルボデー部に前記ねじれ溝に連続
したドリル軸心に平行なストレート溝を形成した
ことを特徴とするドリル。 A drill characterized in that a helical groove having a predetermined helix angle is formed in a cutting edge portion at a tip of the drill, and a straight groove parallel to the drill axis that is continuous with the helical groove is formed in a drill body portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2097988U JPH01125110U (en) | 1988-02-19 | 1988-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2097988U JPH01125110U (en) | 1988-02-19 | 1988-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01125110U true JPH01125110U (en) | 1989-08-25 |
Family
ID=31237808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2097988U Pending JPH01125110U (en) | 1988-02-19 | 1988-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01125110U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08229719A (en) * | 1995-02-22 | 1996-09-10 | Sumitomo Electric Ind Ltd | Tough cermet drill |
| WO1997012712A1 (en) * | 1995-10-05 | 1997-04-10 | Kanefusa Corporation | Rotary tool with shank |
| JP2006521936A (en) * | 2003-04-01 | 2006-09-28 | コメート グループ ホールディング ゲーエムベーハー | Tool for machine tool |
| CN104368849A (en) * | 2013-08-14 | 2015-02-25 | 铠钜科技股份有限公司 | Welded rod and tool |
| WO2018056288A1 (en) * | 2016-09-20 | 2018-03-29 | 本田技研工業株式会社 | Pcd drill and manufacturing method for same |
-
1988
- 1988-02-19 JP JP2097988U patent/JPH01125110U/ja active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08229719A (en) * | 1995-02-22 | 1996-09-10 | Sumitomo Electric Ind Ltd | Tough cermet drill |
| WO1997012712A1 (en) * | 1995-10-05 | 1997-04-10 | Kanefusa Corporation | Rotary tool with shank |
| JP2006521936A (en) * | 2003-04-01 | 2006-09-28 | コメート グループ ホールディング ゲーエムベーハー | Tool for machine tool |
| JP4667367B2 (en) * | 2003-04-01 | 2011-04-13 | コメート グループ ゲーエムベーハー | Tool for machine tool |
| CN104368849A (en) * | 2013-08-14 | 2015-02-25 | 铠钜科技股份有限公司 | Welded rod and tool |
| WO2018056288A1 (en) * | 2016-09-20 | 2018-03-29 | 本田技研工業株式会社 | Pcd drill and manufacturing method for same |
| JPWO2018056288A1 (en) * | 2016-09-20 | 2019-03-28 | 本田技研工業株式会社 | PCD drill and manufacturing method thereof |