JPS6053416U - gun drill - Google Patents

gun drill

Info

Publication number
JPS6053416U
JPS6053416U JP14741983U JP14741983U JPS6053416U JP S6053416 U JPS6053416 U JP S6053416U JP 14741983 U JP14741983 U JP 14741983U JP 14741983 U JP14741983 U JP 14741983U JP S6053416 U JPS6053416 U JP S6053416U
Authority
JP
Japan
Prior art keywords
oil supply
supply passage
cutting oil
gun drill
drill
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
Application number
JP14741983U
Other languages
Japanese (ja)
Inventor
倬司 野村
Original Assignee
株式会社 日本冶金
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社 日本冶金 filed Critical 株式会社 日本冶金
Priority to JP14741983U priority Critical patent/JPS6053416U/en
Publication of JPS6053416U publication Critical patent/JPS6053416U/en
Pending legal-status Critical Current

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  • 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

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、この種ガンドリルの従来例の分解斜視図、第
2図はガンドリルによる切削システムを示す概略図、第
3図は本考案の一実施例を示す分解斜視図、第4図は同
側面図、第5図は同正面図、第6図a、 bは本考案の
要部たる有孔締結ボルトの各実施例を示す側面図、第7
図は第6図すに示す有孔締結ボルトを螺着した状態の側
面図、第8図はドリルヘッドとシャンク部のキー止め部
分の側面図である。 1・・・・・・ドリルヘッド、2・・・・・・シャンク
部、5゜9・・・・・・切屑排出溝、6,10・・・・
・・切削油供給路、13.14.14’・・・・・・雌
ねじ部、18.18’・・・・・・有孔締結ボルト。 a              b 第8図
Fig. 1 is an exploded perspective view of a conventional example of this type of gun drill, Fig. 2 is a schematic diagram showing a cutting system using the gun drill, Fig. 3 is an exploded perspective view showing an embodiment of the present invention, and Fig. 4 is the same. 5 is a front view of the same, FIGS. 6a and 6b are side views showing each embodiment of the perforated fastening bolt which is the main part of the present invention, and FIG.
The figure is a side view of the holed fastening bolt shown in FIG. 6 being screwed, and FIG. 8 is a side view of the drill head and the keyed portion of the shank. 1...Drill head, 2...Shank part, 5゜9...Chip discharge groove, 6, 10...
...Cutting oil supply path, 13.14.14'...Female thread part, 18.18'...Perforated fastening bolt. a b Figure 8

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ドリルヘッドと、これとは別体のシャンク部とからなり
、両者の外周面軸方向に切削排出溝を、また内部軸方向
に切削油供給路をそれぞれ形成してなるガンドリルにお
いて、切削油供給路に雌ねじ部を刻設し、この雌ねじ部
に、ドリルヘッドとシャンク部とを脱着可能に連結する
と共に切削油供給路を連通状態に維持する有孔締結ボル
トを螺着してなることを特徴とするガンドリル。
In a gun drill consisting of a drill head and a separate shank part, in which a cutting discharge groove is formed in the axial direction of the outer peripheral surface of both, and a cutting oil supply passage is formed in the internal axial direction, the cutting oil supply passage is A female threaded portion is carved into the hole, and a perforated fastening bolt is screwed into this female threaded portion to removably connect the drill head and the shank portion and to maintain the cutting oil supply passage in a communicating state. Gun drill.
JP14741983U 1983-09-21 1983-09-21 gun drill Pending JPS6053416U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14741983U JPS6053416U (en) 1983-09-21 1983-09-21 gun drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14741983U JPS6053416U (en) 1983-09-21 1983-09-21 gun drill

Publications (1)

Publication Number Publication Date
JPS6053416U true JPS6053416U (en) 1985-04-15

Family

ID=30327832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14741983U Pending JPS6053416U (en) 1983-09-21 1983-09-21 gun drill

Country Status (1)

Country Link
JP (1) JPS6053416U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004283969A (en) * 2003-03-24 2004-10-14 Yunitakku Kk Deep hole cutting tool
JP4733406B2 (en) * 2005-02-23 2011-07-27 ユニタック株式会社 Connection structure of rotating shaft

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004283969A (en) * 2003-03-24 2004-10-14 Yunitakku Kk Deep hole cutting tool
JP4733406B2 (en) * 2005-02-23 2011-07-27 ユニタック株式会社 Connection structure of rotating shaft

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