JPS61148513U - - Google Patents
Info
- Publication number
- JPS61148513U JPS61148513U JP3167585U JP3167585U JPS61148513U JP S61148513 U JPS61148513 U JP S61148513U JP 3167585 U JP3167585 U JP 3167585U JP 3167585 U JP3167585 U JP 3167585U JP S61148513 U JPS61148513 U JP S61148513U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- groove
- deep hole
- tip
- width angle
- 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
- 238000003754 machining Methods 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 2
Landscapes
- Drilling Tools (AREA)
Description
第１図は本考案の一実施例に係る深穴加工用ド
リルの正面図、第２，３図は夫々第１図の―
線及び―線断面図、第４図は従来の深穴加工
用ドリルの正面図、第５，６図は夫々第４図の
―線及び―線断面図、第７図は従来の他の
ドリルの正面図、第８，９図は夫々第７図の―
線及び―線断面図である。
１……ドリル先端部、２……溝、３……溝切上
部、α１，α３，α５……ドリル先端部の溝幅角
、α２，α４，α６……溝切上部の溝幅角、Ｄ１
，Ｄ３，Ｄ５……ドリル先端部の心厚、Ｄ２，Ｄ
４，Ｄ６……溝切上部の心厚。
FIG. 1 is a front view of a deep hole drilling drill according to an embodiment of the present invention, and FIGS. 2 and 3 are the same as in FIG. 1.
4 is a front view of a conventional deep hole drilling drill, Figures 5 and 6 are sectional views along lines and lines of Figure 4, respectively, and Figure 7 is another conventional drill. The front view, Figures 8 and 9 are respectively the front view of Figure 7.
FIG. 1... Drill tip, 2... Groove, 3... Grooving top, α 1 , α 3 , α 5 ... Groove width angle of drill tip, α 2 , α 4 , α 6 ... Grooving top groove width angle, D 1
, D 3 , D 5 ...core thickness of drill tip, D 2 , D
4 , D6 ... Core thickness of the upper part of the groove cut.
Claims (1)
い漸次増加させるようにしたことを特徴とする深
穴加工用ドリル。 A drill for deep hole machining, characterized in that the groove width angle gradually increases from the tip of the drill toward the upper part of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3167585U JPS61148513U (en) | 1985-03-05 | 1985-03-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3167585U JPS61148513U (en) | 1985-03-05 | 1985-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61148513U true JPS61148513U (en) | 1986-09-12 |
Family
ID=30532490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3167585U Pending JPS61148513U (en) | 1985-03-05 | 1985-03-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61148513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS641811U (en) * | 1987-06-22 | 1989-01-09 |
-
1985
- 1985-03-05 JP JP3167585U patent/JPS61148513U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS641811U (en) * | 1987-06-22 | 1989-01-09 |
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