JPS59193611U - Brazed carbide drill - Google Patents

Brazed carbide drill

Info

Publication number
JPS59193611U
JPS59193611U JP8259883U JP8259883U JPS59193611U JP S59193611 U JPS59193611 U JP S59193611U JP 8259883 U JP8259883 U JP 8259883U JP 8259883 U JP8259883 U JP 8259883U JP S59193611 U JPS59193611 U JP S59193611U
Authority
JP
Japan
Prior art keywords
tip
drill
carbide drill
brazing
carbide
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
Application number
JP8259883U
Other languages
Japanese (ja)
Other versions
JPS616008Y2 (en
Inventor
糟谷　博
嶋野　高正
Original Assignee
三菱マテリアル株式会社
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 三菱マテリアル株式会社 filed Critical 三菱マテリアル株式会社
Priority to JP8259883U priority Critical patent/JPS59193611U/en
Publication of JPS59193611U publication Critical patent/JPS59193611U/en
Application granted granted Critical
Publication of JPS616008Y2 publication Critical patent/JPS616008Y2/ja
Granted 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 drawings]

第１図は従来のろう付代超硬ドリルの一例を示し、Ａは
その底面視図、Ｂはその一部省略側面図、第２図はこの
考案の一実施例を示し、Ａはその底面視図、Ｂはその一
部省略側面図である。 １・・・ドリル本体、４・・・切刃チップ、５・・・切
刃、５ａ・・・内端縁、７・・・位置決め部材、０・・
・回転中心軸線。Fig. 1 shows an example of a conventional brazing allowance carbide drill, A is a bottom view thereof, B is a partially omitted side view thereof, and Fig. 2 is an embodiment of this invention, A is a bottom view thereof. View B is a partially omitted side view. DESCRIPTION OF SYMBOLS 1... Drill body, 4... Cutting blade tip, 5... Cutting blade, 5a... Inner edge, 7... Positioning member, 0...
・Rotation center axis.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ドリル本体の先端部に超硬合金製の切刃チップをろう付
は固定し、この切刃チップの先端部に内端縁が前記ドリ
ル本体の回転中心軸線から０．１■〜１．２５ｗｎ離さ
れた切刃を形成してなり、前記内端縁によって回転中心
部に成長するコアをねじ切るようにしたろう付は式超硬
ドリルにおいて、前記ドリル本体の先端中央部に、前記
コアによって摩滅されるような軟質材からなり、かつ側
面が前記切刃チップの回転中心側の側面に接する位置決
め部材を設けたことを特徴とするろう付代超硬ドリル。A cemented carbide cutting tip is fixed to the tip of the drill body by brazing, and the inner edge of the cutting tip is set at a distance of 0.1 to 1.25 wn from the rotation center axis of the drill body. In the carbide drill, the brazing type carbide drill is formed by forming a cutting edge that is abraded by the core at the center of the tip of the drill body, and the inner edge is used to thread the core growing at the center of rotation. 1. A brazing allowance carbide drill comprising a positioning member which is made of a soft material such as the above-mentioned soft material and whose side surface is in contact with the side surface on the rotation center side of the cutting edge tip.
JP8259883U 1983-05-31 1983-05-31 Brazed carbide drill Granted JPS59193611U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8259883U JPS59193611U (en) 1983-05-31 1983-05-31 Brazed carbide drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8259883U JPS59193611U (en) 1983-05-31 1983-05-31 Brazed carbide drill

Publications (2)

Publication Number Publication Date
JPS59193611U true JPS59193611U (en) 1984-12-22
JPS616008Y2 JPS616008Y2 (en) 1986-02-24

Family

ID=30212553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8259883U Granted JPS59193611U (en) 1983-05-31 1983-05-31 Brazed carbide drill

Country Status (1)

Country Link
JP (1) JPS59193611U (en)

Also Published As

Publication number Publication date
JPS616008Y2 (en) 1986-02-24

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