JPS6040589U - diamond core drill - Google Patents
diamond core drillInfo
- Publication number
- JPS6040589U JPS6040589U JP13419383U JP13419383U JPS6040589U JP S6040589 U JPS6040589 U JP S6040589U JP 13419383 U JP13419383 U JP 13419383U JP 13419383 U JP13419383 U JP 13419383U JP S6040589 U JPS6040589 U JP S6040589U
- Authority
- JP
- Japan
- Prior art keywords
- cutting edge
- core drill
- cylindrical
- diamond core
- 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.)
- Pending
Links
Landscapes
- Earth Drilling (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ａは、本考案の第１実施例のダイヤモンドコアド
リルの側面図、同すは底面図、同Ｃは横゛貫孔の位置関
係を示す同切刃部の展開図であり、第２図ａは本考案の
第２実施例のダイヤモンドコアドリルの側面図、同すは
底面図で、第３図ａは従来の大口径用のダイヤモンドコ
アドリルの斜視図で、ｂは同小口径用のダイヤモンドコ
アドリルの斜視図である。
へ、 Ｂ、 Ｃ・・・切刃部の隅部、１・・・主胴、１
ａ・・・主胴先端部、１ｂ・・・螺子部、２・・・切刃
部ｓ２ａ・・・外周、２ｂ・・・内周、２ｃ・・・先端
端面、２ｄ・・・切刃、２ｅ・・・スリット、３・・・
横貫孔、３ａ・・・横貫孔後縁、３ｂ・・・横貫孔前縁
、３ｃ・・・隙間（切欠溝）、４，５・・・溝、１０・
・・外面、ｌｅａ・・・外面側空間部、１０ｂ・・・仮
想円、１ｊ・・・内面、ｌｌａ・・・内面側空間部、ｌ
ｌｂ・・・仮想円、２０・・・被穿削材。1A is a side view and a bottom view of the diamond core drill according to the first embodiment of the present invention, FIG. Figure a is a side view and bottom view of a diamond core drill according to the second embodiment of the present invention, Figure 3 a is a perspective view of a conventional large diameter diamond core drill, and Figure 3 b is a perspective view of a conventional large diameter diamond core drill. It is a perspective view of a core drill. B, C...Corner of cutting edge, 1...Main barrel, 1
a... Main barrel tip, 1b... Threaded portion, 2... Cutting edge portion s2a... Outer circumference, 2b... Inner circumference, 2c... Tip end surface, 2d... Cutting edge, 2e...slit, 3...
Horizontal through hole, 3a... Rear edge of horizontal through hole, 3b... Front edge of horizontal through hole, 3c... Gap (notch groove), 4, 5... Groove, 10.
...Outer surface, lea...Outer surface side space part, 10b...Virtual circle, 1j...Inner surface, lla...Inner side space part, l
lb...virtual circle, 20...material to be drilled.
Claims (1)
該外面に外接する仮想円筒との間に、上記筒状の切刃部
の内面と該内面に内接する仮想円筒との間に、それぞれ
軸方向に貫通した空間部を有するよ、うな形状に構成し
、上記切刃部に、該切−刃部の先端より摩耗が進行して
も被切削材と当接する切刃先端端面上に常に切欠溝とし
てあられれる複数の横貫孔を、配設したことを特徴とす
る筒状の切欠部を有するダイヤモンドコアドリル。A cylindrical cutting edge with an open tip is placed between an outer surface of the cylindrical cutting edge and a virtual cylinder circumscribing the outer surface, and an inner surface of the cylindrical cutting edge and a virtual cylinder inscribed in the inner surface. The cutting edge is configured in such a shape that it has a space that penetrates in the axial direction, and the cutting edge is provided with a cutting edge that comes into contact with the workpiece even if wear progresses from the tip of the cutting edge. 1. A diamond core drill having a cylindrical notch, characterized in that a plurality of transverse holes, which always appear as notch grooves, are provided on the end face of the blade tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13419383U JPS6040589U (en) | 1983-08-29 | 1983-08-29 | diamond core drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13419383U JPS6040589U (en) | 1983-08-29 | 1983-08-29 | diamond core drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6040589U true JPS6040589U (en) | 1985-03-22 |
Family
ID=30302446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13419383U Pending JPS6040589U (en) | 1983-08-29 | 1983-08-29 | diamond core drill |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6040589U (en) |
-
1983
- 1983-08-29 JP JP13419383U patent/JPS6040589U/en active Pending
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