JPS59128311U - drilling tool - Google Patents

drilling tool

Info

Publication number
JPS59128311U
JPS59128311U JP2201583U JP2201583U JPS59128311U JP S59128311 U JPS59128311 U JP S59128311U JP 2201583 U JP2201583 U JP 2201583U JP 2201583 U JP2201583 U JP 2201583U JP S59128311 U JPS59128311 U JP S59128311U
Authority
JP
Japan
Prior art keywords
groove
drilling tool
chip
end view
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
Application number
JP2201583U
Other languages
Japanese (ja)
Inventor
国森　永年
久雄 岡
Original Assignee
住友電気工業株式会社
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 住友電気工業株式会社 filed Critical 住友電気工業株式会社
Priority to JP2201583U priority Critical patent/JPS59128311U/en
Publication of JPS59128311U publication Critical patent/JPS59128311U/en
Pending legal-status Critical Current

Links

Landscapes

  • Drilling And Boring (AREA)
  • 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 drawings]

第１図及び第２図は従来のドリルを採用したときの切屑
生成形態を示す図、第３図はこの考案の穴あけ工具の一
例を示す正面図、第４図はその端面図、第５図は他の実
施例の正面図、第６図はその端面図である。 １０・・・本体、１１．　１１’・・・スローアウェイ
チップ、１２．１２’・・・切屑排出溝、１３・・・側
壁、１４．１４’・・・チップブレーカ−ピース、１４
ａ・・・切屑突き当て面、１５．１５’・・・切屑排出
用螺旋溝、１６．１６’・・・切刃チップ。Figures 1 and 2 are diagrams showing the form of chip generation when a conventional drill is used, Figure 3 is a front view showing an example of the drilling tool of this invention, Figure 4 is its end view, and Figure 5. 6 is a front view of another embodiment, and FIG. 6 is an end view thereof. 10...Main body, 11. 11'... Throwaway tip, 12. 12'... Chip discharge groove, 13... Side wall, 14.14'... Chip breaker piece, 14
a... Chip abutting surface, 15.15'... Spiral groove for discharging chips, 16.16'... Cutting tip.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 本体側部に切屑排出用の溝を設けた穴あけ工具において
、上記溝の切刃に連ならない方の側壁先端部に、端面視
形状が溝内において周方向に彎曲し、軸方向とは溝とは
Ｓ゛平行延びる切屑突き当て面を形成したチップブレー
カ−ピースを設置したことを特徴とする穴あけ工具。In a drilling tool that has a groove for discharging chips on the side of the main body, the tip of the side wall that is not connected to the cutting edge of the groove has a shape in end view that is curved in the circumferential direction within the groove, and the axial direction is different from the groove. A drilling tool characterized by having a chip breaker piece formed with a chip abutment surface extending parallel to S.
JP2201583U 1983-02-16 1983-02-16 drilling tool Pending JPS59128311U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2201583U JPS59128311U (en) 1983-02-16 1983-02-16 drilling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2201583U JPS59128311U (en) 1983-02-16 1983-02-16 drilling tool

Publications (1)

Publication Number Publication Date
JPS59128311U true JPS59128311U (en) 1984-08-29

Family

ID=30153131

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2201583U Pending JPS59128311U (en) 1983-02-16 1983-02-16 drilling tool

Country Status (1)

Country Link
JP (1) JPS59128311U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016221628A (en) * 2015-05-29 2016-12-28 三菱マテリアル株式会社 drill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016221628A (en) * 2015-05-29 2016-12-28 三菱マテリアル株式会社 drill

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