JPS59193615U - carbide drill - Google Patents

carbide drill

Info

Publication number
JPS59193615U
JPS59193615U JP8260283U JP8260283U JPS59193615U JP S59193615 U JPS59193615 U JP S59193615U JP 8260283 U JP8260283 U JP 8260283U JP 8260283 U JP8260283 U JP 8260283U JP S59193615 U JPS59193615 U JP S59193615U
Authority
JP
Japan
Prior art keywords
drill
center axis
cutting
carbide
tips
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
JP8260283U
Other languages
Japanese (ja)
Other versions
JPS6125934Y2 (en
Inventor
嶋野　高正
千葉　博一
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 JP8260283U priority Critical patent/JPS59193615U/en
Publication of JPS59193615U publication Critical patent/JPS59193615U/en
Application granted granted Critical
Publication of JPS6125934Y2 publication Critical patent/JPS6125934Y2/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図および第２図はこの考案の一実施例を示゛し、第
１図はその底面図、第２図はその一部省略側面図、第３
図および第４図はこの考案の他の実施例を示し、第３図
はその底面親図、第４図はその一部省略側面図である。 １・・・・・・ドリル本体、３・・・・・・切刃チップ
、５・・・・・・すくい面、６・・・・・・切刃、７・
・・・・・内端縁。Figures 1 and 2 show an embodiment of this invention, with Figure 1 being a bottom view, Figure 2 being a partially omitted side view, and Figure 3 being a partially omitted side view.
3 and 4 show another embodiment of this invention, FIG. 3 being a bottom view and FIG. 4 being a partially omitted side view. 1... Drill body, 3... Cutting blade tip, 5... Rake face, 6... Cutting blade, 7.
...Inner edge.

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によって構成された切刃
が、その内端縁を前記ドリル本体の回転中心軸線から０
．１ｗＩＬないし１−２５ｍｍ離して形成されてなる超
硬ドリルにおいて、前記切刃は、前記回転中心軸線方向
に延在し、かつ隣接するものどうしが互いに接するよう
にして回転中心軸線側から外周側へ並んで前記ドリル本
体の先端部にろう付は固定された複数の超硬合金製切刃
チップの先端部に形成されており、前記複数の切刃チッ
プのすくい面はそれぞれ、底面視において、回転方向に
膨出する凸曲面とされていることを特徴とする超硬ドリ
ル。A cutting blade made of cemented carbide is located at the tip of the drill body, and its inner edge is located at zero from the rotation center axis of the drill body.
．． In a carbide drill formed at a distance of 1wIL to 1-25 mm, the cutting edges extend in the direction of the rotational center axis, and the cutting edges extend from the rotational center axis side to the outer peripheral side so that adjacent ones touch each other. Brazing is formed on the tips of a plurality of cemented carbide cutting tips that are fixed to the tip of the drill body side by side, and the rake faces of the plurality of cutting tips are rotated when viewed from the bottom. A carbide drill characterized by a convex curved surface that bulges in the direction.
JP8260283U 1983-05-31 1983-05-31 carbide drill Granted JPS59193615U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8260283U JPS59193615U (en) 1983-05-31 1983-05-31 carbide drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8260283U JPS59193615U (en) 1983-05-31 1983-05-31 carbide drill

Publications (2)

Publication Number Publication Date
JPS59193615U true JPS59193615U (en) 1984-12-22
JPS6125934Y2 JPS6125934Y2 (en) 1986-08-05

Family

ID=30212557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8260283U Granted JPS59193615U (en) 1983-05-31 1983-05-31 carbide drill

Country Status (1)

Country Link
JP (1) JPS59193615U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132023U (en) * 1980-03-03 1981-10-06
JPS57193315U (en) * 1981-05-29 1982-12-08

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132023U (en) * 1980-03-03 1981-10-06
JPS57193315U (en) * 1981-05-29 1982-12-08

Also Published As

Publication number Publication date
JPS6125934Y2 (en) 1986-08-05

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