JPS634211U - - Google Patents

Info

Publication number
JPS634211U
JPS634211U JP1986095820U JP9582086U JPS634211U JP S634211 U JPS634211 U JP S634211U JP 1986095820 U JP1986095820 U JP 1986095820U JP 9582086 U JP9582086 U JP 9582086U JP S634211 U JPS634211 U JP S634211U
Authority
JP
Japan
Prior art keywords
drill
drill body
cutting edge
radius
chip discharge
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
JP1986095820U
Other languages
English (en)
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 filed Critical
Priority to JP1986095820U priority Critical patent/JPS634211U/ja
Priority to US06/895,177 priority patent/US4744705A/en
Priority to DE19863628262 priority patent/DE3628262A1/de
Priority to KR2019860014014U priority patent/KR900003547Y1/ko
Publication of JPS634211U publication Critical patent/JPS634211U/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/24—Overall form of drilling tools
    • B23B2251/241—Cross sections of the diameter of the drill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/40—Flutes, i.e. chip conveying grooves
    • B23B2251/406—Flutes, i.e. chip conveying grooves of special form not otherwise provided for
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/81—Tool having crystalline cutting edge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/89—Tool or Tool with support
    • Y10T408/909—Having peripherally spaced cutting edges
    • Y10T408/9095—Having peripherally spaced cutting edges with axially extending relief channel
    • Y10T408/9097—Spiral channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)

Description

【図面の簡単な説明】
第１図および第２図はこの考案の一実施例を示
し、第１図は正面図、第２図は一部省略した側面
図、第３図〜第７図は各々従来のドリルを示す切
刃の外周における横断面図、第８図〜第１１図は
この考案に係るドリルを用いた実験結果を示すも
ので、第８図は切削時の負荷の値を示すグラフ、
第９図は各切削条件における加工穴の面粗さと拡
大代を示す図、第１０図は連続して多数の穴を加
工した際の加工穴の面粗さと拡大代の変化を示す
図、第１１図は再研摩後に再び連続して多数の穴
を加工した際の加工穴の面粗さと拡大代の変化を
示す図である。 ３０……ドリル本体、３１……切刃、３２……
切屑排出溝、３３……すくい面を構成する部分、
３４……切刃側を向く部分、Ｗ……心厚、Ｒ１，
Ｒ２……円弧の半径、Ｄ……ドリルの直径。

Claims (1)

    【実用新案登録請求の範囲】
  1. ドリル本体の先端部に２つの切刃を形成すると
    ともに、これら２つの切刃に対応して前記ドリル
    本体の外周に２つの切屑排出溝を形成してなるド
    リルにおいて、前記ドリル本体の心厚を０．２５
    Ｄ〜０．５０Ｄ（Ｄはドリルの直径）に設定し、
    前記切屑排出溝を画成する壁面のうちすくい面を
    構成する部分を回転方向に対して半径が０．２０
    Ｄ〜０．３０Ｄの円弧状に窪む凹曲面によつて形
    成するとともに、切刃側を向く部分を半径が０．
    ２５Ｄ〜０．４０Ｄの円弧状に切刃側に向かつて
    突出する凸曲面によつて形成し、かつ少なくとも
    上記切刃部分に上記ドリル本体より硬質な被覆層
    を形成したことを特徴とするドリル。
JP1986095820U 1986-06-23 1986-06-23 Pending JPS634211U (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1986095820U JPS634211U (ja) 1986-06-23 1986-06-23
US06/895,177 US4744705A (en) 1986-06-23 1986-08-11 Twist drill bit
DE19863628262 DE3628262A1 (de) 1986-06-23 1986-08-20 Spiralbohrer
KR2019860014014U KR900003547Y1 (ko) 1986-06-23 1986-09-10 드릴(Drill)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986095820U JPS634211U (ja) 1986-06-23 1986-06-23

Publications (1)

Publication Number Publication Date
JPS634211U true JPS634211U (ja) 1988-01-12

Family

ID=14148048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986095820U Pending JPS634211U (ja) 1986-06-23 1986-06-23

Country Status (4)

Country Link
US (1) US4744705A (ja)
JP (1) JPS634211U (ja)
KR (1) KR900003547Y1 (ja)
DE (1) DE3628262A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0460606U (ja) * 1990-09-28 1992-05-25
JP2001341015A (ja) * 2000-03-31 2001-12-11 Hitachi Tool Engineering Ltd ステンレス切削用ツイストドリル
JP2004512968A (ja) * 2000-10-05 2004-04-30 ケンナメタル　インコーポレイテッド 切削工具とこの切削工具を製造する方法及び装置
JP2008296300A (ja) * 2007-05-30 2008-12-11 Tungaloy Corp プリント配線板用ドリル
JP2020515297A (ja) * 2017-03-29 2020-05-28 デンツプライ シロナ インコーポレイテッド 放物線器具

Families Citing this family (38)

* Cited by examiner, † Cited by third party
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US5230593A (en) * 1987-12-14 1993-07-27 Mitsubishi Kinzoku Kabushiki Kaisha Twist drill
DE3853518T3 (de) * 1987-12-14 2004-06-03 Mitsubishi Materials Corp. Spiralbohrer.
JP2603993B2 (ja) * 1988-03-11 1997-04-23 俊明 細井 ドリル
JPH03502664A (ja) * 1988-10-21 1991-06-20 ズブコフ　アレクセイ　ウラディミロヴィッチ スパイラルドリル
DE3927615A1 (de) * 1989-08-22 1991-02-28 Hartner Gmbh & Co Kg G Spiralbohrer fuer rost- und saeurebestaendige staehle
US5678960A (en) * 1993-08-06 1997-10-21 Kennametal Hertel Ag Twist drill
US5628837A (en) * 1993-11-15 1997-05-13 Rogers Tool Works, Inc. Surface decarburization of a drill bit having a refined primary cutting edge
US5609447A (en) * 1993-11-15 1997-03-11 Rogers Tool Works, Inc. Surface decarburization of a drill bit
DE29601653U1 (de) * 1995-03-30 1996-08-01 Gühring, Jörg, Dr., 72458 Albstadt Schneidwerkzeug
DE19511829B4 (de) * 1995-03-30 2005-12-15 Jörg Dr. Gühring Schneidwerkzeug
ES2169233T3 (es) 1995-03-30 2002-07-01 Jorg Dr Guhring Herramienta de corte.
DE19627436A1 (de) * 1996-07-08 1998-01-15 Guenther & Co Gmbh & Co Vollhartmetallbohrer
IL123794A (en) * 1998-03-23 2000-11-21 Hanita Metal Works Ltd Milling cutter
US6431962B1 (en) 2000-10-05 2002-08-13 Kennametal Inc. Method and apparatus for making a cutting tool having a flute
US6419561B1 (en) 2000-10-05 2002-07-16 Kennametal Inc. Method and apparatus for making a cutting tool having a plurality of margins
EP2366478B1 (en) * 2001-07-10 2020-04-15 Mitsubishi Materials Corporation Drill
JP2003300110A (ja) * 2002-04-03 2003-10-21 Osg Corp ドリルおよびその製造方法
DE20210909U1 (de) * 2002-07-18 2003-05-15 Hakos Praez Swerkzeuge Hakenjo Bohrwerkzeug
US7832966B2 (en) * 2003-01-30 2010-11-16 Kennametal Inc. Drill for making flat bottom hole
GB0320148D0 (en) * 2003-08-28 2003-10-01 Dormer Tools Sheffield Ltd Partially coated drill tool
DE10353514A1 (de) * 2003-11-14 2005-06-23 Heule, Ulf Bohrplatte mit klemmender Befestigung in einem Grundkörper
JP3874774B2 (ja) * 2004-08-19 2007-01-31 オーエスジー株式会社 鋳抜き穴加工用ドリル
WO2007010601A1 (ja) * 2005-07-20 2007-01-25 Osg Corporation ドリル
US7455485B2 (en) * 2005-08-31 2008-11-25 Robert Bosch Gmbh Cutout bit for use with rotary tool
DE102006025294B4 (de) * 2006-05-31 2010-07-22 Kennametal Inc. Bohrwerkzeug
BRPI0712929A2 (pt) 2006-10-13 2012-10-02 Kennametal Inc ponta de broca para uma broca
DE102006049096A1 (de) * 2006-10-13 2008-04-17 Kennametal Inc. Bohrerspitze für ein Bohrwerkzeug
US7950880B2 (en) * 2006-10-18 2011-05-31 Kennametal Inc. Spiral flute tap
DE102008023856A1 (de) * 2008-05-16 2009-11-19 Gühring Ohg Mehrschneidiges Vollhartmetall-Bohrwerkzeug
DE102008028060A1 (de) * 2008-06-12 2009-12-17 Kennametal Inc. Bohrer
US8807889B2 (en) * 2009-12-29 2014-08-19 Kennametal Inc. Rotary cutting tool having sealed margins and method of making same
US20110176879A1 (en) * 2010-01-20 2011-07-21 Cornelis Roelof Jonker Superhard body, tool and method for making same
GB201002375D0 (en) 2010-02-12 2010-03-31 Element Six Production Pty Ltd A superhard tip, method for making same and tool comprising same
GB201015541D0 (en) 2010-09-17 2010-10-27 Element Six Ltd Twist drill assembly
CN102922010B (zh) * 2012-11-27 2014-09-17 西安工业大学 一种自润滑麻花钻及其加工方法
US10118237B2 (en) * 2014-01-07 2018-11-06 Mitsubishi Electric Corporation End mill and scroll for scroll compressor
JP6747791B2 (ja) * 2015-08-31 2020-08-26 株式会社Ｓｕｂａｒｕ ドリル及び被穿孔品の製造方法
DE102015222491B4 (de) * 2015-11-13 2023-03-23 Kennametal Inc. Schneidwerkzeug und Verfahren zu dessen Herstellung

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US61208A (en) * 1867-01-15 kasson
DE2144217B2 (de) * 1971-08-31 1974-04-25 R. Stock Ag, 1000 Berlin Spiralbohrer mit einer besonders weiten, offenen Nutenform
GB1419624A (en) * 1972-03-21 1975-12-31 Flower J W Drills for use in drilling and the like operations
GB1509912A (en) * 1974-05-17 1978-05-04 Osborn Mushet Tools Ltd Twist drills
SU622588A1 (ru) * 1975-07-09 1978-09-05 Предприятие П/Я В-8772 Металлорежущий инструмент
JPS5472587A (en) * 1977-11-19 1979-06-11 Sumitomo Electric Ind Ltd Method of producing tool made of tool steel coatd with hard material
JPS5621711A (en) * 1979-07-24 1981-02-28 Sumitomo Electric Ind Ltd Drilling tool
US4442169A (en) * 1982-01-28 1984-04-10 General Electric Company Multiple coated cutting tool and method for producing same
WO1984000910A1 (en) * 1982-09-07 1984-03-15 Micro International Micro drill
SE8300910L (sv) * 1983-02-18 1984-08-19 Santrade Ltd Sammansatt kropp bestaende av ett substrat belagt med hart, slitstarkt ytskikt
CA1233347A (en) * 1983-07-21 1988-03-01 John A. Bunting Printed circuit board drill and method of manufacture

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0460606U (ja) * 1990-09-28 1992-05-25
JP2001341015A (ja) * 2000-03-31 2001-12-11 Hitachi Tool Engineering Ltd ステンレス切削用ツイストドリル
JP2004512968A (ja) * 2000-10-05 2004-04-30 ケンナメタル　インコーポレイテッド 切削工具とこの切削工具を製造する方法及び装置
JP2008296300A (ja) * 2007-05-30 2008-12-11 Tungaloy Corp プリント配線板用ドリル
JP2020515297A (ja) * 2017-03-29 2020-05-28 デンツプライ シロナ インコーポレイテッド 放物線器具

Also Published As

Publication number Publication date
DE3628262A1 (de) 1988-01-14
KR880000498U (ko) 1988-02-19
US4744705A (en) 1988-05-17
KR900003547Y1 (ko) 1990-04-28

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