JPS59109408U - Hole drilling tools - Google Patents

Hole drilling tools

Info

Publication number
JPS59109408U
JPS59109408U JP240083U JP240083U JPS59109408U JP S59109408 U JPS59109408 U JP S59109408U JP 240083 U JP240083 U JP 240083U JP 240083 U JP240083 U JP 240083U JP S59109408 U JPS59109408 U JP S59109408U
Authority
JP
Japan
Prior art keywords
hole drilling
drilling tools
shank
smaller
diameter
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
JP240083U
Other languages
Japanese (ja)
Inventor
牧瀬　修
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP240083U priority Critical patent/JPS59109408U/en
Publication of JPS59109408U publication Critical patent/JPS59109408U/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図は従来の工具を示す正面図、第２図は従来の工具
による加工状態を示す説明図である。第３図は本考案に
よる実施例を示す正面図、第４図は第３図に示された工
具の折損状態を示す正面図、第５図は本考案の工具によ
る加工状態を示す説明図、第６図は第３図のＢ部詳細図
である。 Ｇ・・・溝、１・・・ツイストドリル、２・・・エンド
ミル。FIG. 1 is a front view showing a conventional tool, and FIG. 2 is an explanatory diagram showing a machining state using the conventional tool. FIG. 3 is a front view showing an embodiment according to the present invention, FIG. 4 is a front view showing a broken state of the tool shown in FIG. 3, and FIG. 5 is an explanatory diagram showing a processing state using the tool of the present invention. FIG. 6 is a detailed view of section B in FIG. 3. G... Groove, 1... Twist drill, 2... End mill.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シャンク部外周に、切刃部よりも曲げおよびせん断応力
が小となる径の溝を刻設してなることを特徴とする穴加
工用工具。A hole drilling tool characterized by having a groove carved on the outer periphery of the shank with a diameter that causes bending and shear stress to be smaller than that of the cutting edge.
JP240083U 1983-01-12 1983-01-12 Hole drilling tools Pending JPS59109408U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP240083U JPS59109408U (en) 1983-01-12 1983-01-12 Hole drilling tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP240083U JPS59109408U (en) 1983-01-12 1983-01-12 Hole drilling tools

Publications (1)

Publication Number Publication Date
JPS59109408U true JPS59109408U (en) 1984-07-24

Family

ID=30134067

Family Applications (1)

Application Number Title Priority Date Filing Date
JP240083U Pending JPS59109408U (en) 1983-01-12 1983-01-12 Hole drilling tools

Country Status (1)

Country Link
JP (1) JPS59109408U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0451372U (en) * 1990-09-04 1992-04-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0451372U (en) * 1990-09-04 1992-04-30

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