JPS5844118U - gun drill - Google Patents
gun drillInfo
- Publication number
- JPS5844118U JPS5844118U JP13881881U JP13881881U JPS5844118U JP S5844118 U JPS5844118 U JP S5844118U JP 13881881 U JP13881881 U JP 13881881U JP 13881881 U JP13881881 U JP 13881881U JP S5844118 U JPS5844118 U JP S5844118U
- Authority
- JP
- Japan
- Prior art keywords
- gun drill
- cutting edge
- chip breaker
- concave portion
- tip
- 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
Landscapes
- Drilling Tools (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は、本考案ガンドリルの一実施例を示す要部の正
面図、第2図は、第1図中の■−■線に −沿って得ら
れる部分的な拡大断面図、第3図乃至第5図は、それぞ
れ第2図に相当する変形例を示す部分的な拡大断面図で
ある。
1・・・本体、2・・・切刃チップ、5・・・外周切刃
稜、7・・・チップブレーカ−18,9・・・凹み部分
。Fig. 1 is a front view of essential parts showing one embodiment of the gun drill of the present invention, Fig. 2 is a partially enlarged cross-sectional view taken along line -■ in Fig. 1, and Fig. 3 5 to 5 are partially enlarged sectional views showing modifications corresponding to FIG. 2, respectively. DESCRIPTION OF SYMBOLS 1... Main body, 2... Cutting blade tip, 5... Outer circumferential cutting edge ridge, 7... Chip breaker-18, 9... Concave portion.
Claims (1)
チップブレーカ−7を形成するようにした切刃チップ2
が設けられ、かつ、その後端にはシャンク3が備えられ
るようにしたガンドリルにおいて、 前記チップブレーカ−7は、外周切刃稜5側から小さな
凹み部分8および大きな凹み部分9が連設され、切屑処
理に対処できるようになっていることを特徴とするガン
ドリル。[Claims for Utility Model Registration] A cutting edge tip 2 is formed at the tip of a pipe-shaped main body 1 to form a chip breaker 7 along the outer cutting edge edge 5.
In the gun drill, the chip breaker 7 has a small concave portion 8 and a large concave portion 9 connected to each other from the outer peripheral cutting edge 5 side, and the chip breaker 7 has a shank 3 at the rear end. A gun drill that is characterized by its ability to handle processing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13881881U JPS5844118U (en) | 1981-09-18 | 1981-09-18 | gun drill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13881881U JPS5844118U (en) | 1981-09-18 | 1981-09-18 | gun drill |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5844118U true JPS5844118U (en) | 1983-03-24 |
JPH0141526Y2 JPH0141526Y2 (en) | 1989-12-07 |
Family
ID=29932027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13881881U Granted JPS5844118U (en) | 1981-09-18 | 1981-09-18 | gun drill |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5844118U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60133938A (en) * | 1983-12-22 | 1985-07-17 | Matsushita Electric Works Ltd | Parts receiving device |
JPH0470418U (en) * | 1990-10-25 | 1992-06-22 |
-
1981
- 1981-09-18 JP JP13881881U patent/JPS5844118U/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60133938A (en) * | 1983-12-22 | 1985-07-17 | Matsushita Electric Works Ltd | Parts receiving device |
JPH0470418U (en) * | 1990-10-25 | 1992-06-22 |
Also Published As
Publication number | Publication date |
---|---|
JPH0141526Y2 (en) | 1989-12-07 |
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