JPS5836018U - Drill for deep hole cutting - Google Patents
Drill for deep hole cuttingInfo
- Publication number
- JPS5836018U JPS5836018U JP13222881U JP13222881U JPS5836018U JP S5836018 U JPS5836018 U JP S5836018U JP 13222881 U JP13222881 U JP 13222881U JP 13222881 U JP13222881 U JP 13222881U JP S5836018 U JPS5836018 U JP S5836018U
- Authority
- JP
- Japan
- Prior art keywords
- cutting
- drill
- deep hole
- outer edge
- edge
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は、この考案の一実施例を示す正面図、第2図は
同平面図、第3図は同要部たる切削刃部分を示す正面図
、第4図は第3図におけるIV−IV線断面部分の切削
状態を示す図、第5図は同じく第3図における■−■線
断面部分の切削状態を示す図、第6図乃至第9図はそれ
ぞれこの考案の他の実施例を示す要部平面図、第10図
及び第11図はこの種の従来例を示す切削刃部分の正面
図、第12図はこの従来例による切削くずの生成状態を
示す図である。
1・・・ドリル本体、2・・・ドリルヘッド、4・・・
切削刃、5・・・刃先部、5a・・・刃先部のアウタエ
ツジ、5b・・・刃先部のインナエツジ、6・・・チッ
プブレーカ、7・・・平端面、0・・・回転軸心、P・
・・半径線。FIG. 1 is a front view showing an embodiment of this invention, FIG. 2 is a plan view of the same, FIG. 3 is a front view showing the main part of the cutting blade, and FIG. 4 is an IV-- FIG. 5 is a diagram showing the cutting state of the section taken along the line IV, FIG. 5 is a diagram showing the cutting state of the section taken along the line ■-■ in FIG. 3, and FIGS. 6 to 9 show other embodiments of this invention. 10 and 11 are front views of a cutting blade portion showing a conventional example of this type, and FIG. 12 is a diagram showing the state of generation of cutting waste according to this conventional example. 1...Drill body, 2...Drill head, 4...
Cutting blade, 5... Cutting edge portion, 5a... Outer edge of the cutting edge portion, 5b... Inner edge of the cutting edge portion, 6... Chip breaker, 7... Flat end surface, 0... Rotation axis center, P.
...Radius line.
Claims (1)
取着すると共に該切削力に外周側のアウタエツジと軸心
側のインナエツジとからなる略山形状の刃先部を有する
深穴切削用ドリルにおいて、アウタエツジ端面に、また
はアウタエツジ端面からインナエツジの一部端面にかけ
てチップブレーカを形成してなることを特徴とする深穴
切削用ドリル。 2 前記刃先部のアウタエツジはドリルヘッドの回転軸
心に対しその半径線上に形成されてなる実用新案登録請
求の範囲第1項記載の深穴切削用ドリル。 −3前記刃先部のアウタエツジはドリルヘッドの回転軸
心に対しその半径線上から接線方向に突出して形成され
てなる実用新案登録請求の範囲第1項記載の深穴切削用
ドリル。 4 前記刃先部のアウタエツジはドリルヘッドの回転軸
心に対しその半径線上から接線方向に没入して形成され
てなる実用新案登録請求の範囲第1項記載の深穴切削用
ドリル。 5 前記刃先部のアウタエツジ及びインナエツジは共に
ドリルヘッドの回転軸心に対しその半径線上から接線方
向に突出して形成されてなる実用新案登録請求の範囲第
1項記載の深穴切削用ドリル。[Claims for Utility Model Registration] 1. A cutting blade is attached to the drill head in a radial direction from the rotational axis, and a substantially mountain-shaped cutting edge portion consisting of an outer edge on the outer peripheral side and an inner edge on the axial center side is applied to the cutting force. 1. A deep hole cutting drill comprising: a chip breaker formed on the end face of the outer edge or from the end face of the outer edge to a part of the end face of the inner edge. 2. The deep hole cutting drill according to claim 1, wherein the outer edge of the cutting edge portion is formed on a radial line of the rotation axis of the drill head. -3 The deep hole cutting drill according to claim 1, wherein the outer edge of the cutting edge portion is formed to protrude tangentially from a radial line of the rotation axis of the drill head. 4. The deep hole cutting drill according to claim 1, wherein the outer edge of the cutting edge portion is formed by being recessed in a tangential direction from a radial line of the rotation axis of the drill head. 5. The deep hole cutting drill according to claim 1, wherein both the outer edge and the inner edge of the cutting edge portion are formed to protrude tangentially from a radial line of the rotation axis of the drill head.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13222881U JPS5836018U (en) | 1981-09-04 | 1981-09-04 | Drill for deep hole cutting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13222881U JPS5836018U (en) | 1981-09-04 | 1981-09-04 | Drill for deep hole cutting |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5836018U true JPS5836018U (en) | 1983-03-09 |
JPS6137453Y2 JPS6137453Y2 (en) | 1986-10-30 |
Family
ID=29925764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13222881U Granted JPS5836018U (en) | 1981-09-04 | 1981-09-04 | Drill for deep hole cutting |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5836018U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59143618U (en) * | 1983-03-12 | 1984-09-26 | 三菱マテリアル株式会社 | 2-blade gun drill |
JP2014124689A (en) * | 2012-12-25 | 2014-07-07 | Yunitakku Kk | Gun drill |
-
1981
- 1981-09-04 JP JP13222881U patent/JPS5836018U/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59143618U (en) * | 1983-03-12 | 1984-09-26 | 三菱マテリアル株式会社 | 2-blade gun drill |
JP2014124689A (en) * | 2012-12-25 | 2014-07-07 | Yunitakku Kk | Gun drill |
Also Published As
Publication number | Publication date |
---|---|
JPS6137453Y2 (en) | 1986-10-30 |
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