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JPS625726B2 - - Google Patents

Info

Publication number
JPS625726B2
JPS625726B2 JP16418383A JP16418383A JPS625726B2 JP S625726 B2 JPS625726 B2 JP S625726B2 JP 16418383 A JP16418383 A JP 16418383A JP 16418383 A JP16418383 A JP 16418383A JP S625726 B2 JPS625726 B2 JP S625726B2
Authority
JP
Japan
Prior art keywords
drill
cutting edge
center
cutting
center line
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.)
Expired
Application number
JP16418383A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6056809A (ja
Inventor
Tsutomu Takano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nachi Fujikoshi Corp
Original Assignee
Fujikoshi KK
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 Fujikoshi KK filed Critical Fujikoshi KK
Priority to JP16418383A priority Critical patent/JPS6056809A/ja
Publication of JPS6056809A publication Critical patent/JPS6056809A/ja
Publication of JPS625726B2 publication Critical patent/JPS625726B2/ja
Granted 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
    • B23B2251/18—Configuration of the drill point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/46—Drills having a centre free from cutting edges or with recessed cutting edges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
JP16418383A 1983-09-08 1983-09-08 ドリル Granted JPS6056809A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16418383A JPS6056809A (ja) 1983-09-08 1983-09-08 ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16418383A JPS6056809A (ja) 1983-09-08 1983-09-08 ドリル

Publications (2)

Publication Number Publication Date
JPS6056809A JPS6056809A (ja) 1985-04-02
JPS625726B2 true JPS625726B2 (zh) 1987-02-06

Family

ID=15788278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16418383A Granted JPS6056809A (ja) 1983-09-08 1983-09-08 ドリル

Country Status (1)

Country Link
JP (1) JPS6056809A (zh)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6341411U (zh) * 1986-09-03 1988-03-18
JPH0741456B2 (ja) * 1987-10-13 1995-05-10 株式会社不二越 ドリル
JPH0556970U (ja) * 1991-12-27 1993-07-30 金井 宏之 紡機用トラベラ
SE507842C2 (sv) * 1992-09-24 1998-07-20 Sandvik Ab Borr
SE525336C2 (sv) * 2002-05-17 2005-02-01 Sandvik Ab Borrverktyg för hålborrning i metalliska material
AU2007335431A1 (en) 2006-12-18 2008-06-26 Max Co., Ltd. Fixer assembly
SE531188C2 (sv) * 2007-05-29 2009-01-13 Sandvik Intellectual Property Borrkropp för spånavskiljande bearbetning
DE102007040178B4 (de) * 2007-08-25 2011-06-22 MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG, 73431 Bohrer
EP2818267B1 (en) * 2013-06-28 2016-03-30 Seco Tools Ab Twist drill for metal machining
EP3278911B1 (en) 2015-03-30 2020-04-15 Mitsubishi Hitachi Tool Engineering, Ltd. Drill
JP5940205B1 (ja) * 2015-10-20 2016-06-29 日進工具株式会社 ドリル
JP5940208B1 (ja) * 2015-12-17 2016-06-29 日進工具株式会社 ドリル
JP6499610B2 (ja) * 2016-04-19 2019-04-10 ユニオンツール株式会社 穴明け工具
WO2019176452A1 (ja) * 2018-03-16 2019-09-19 三菱日立ツール株式会社 ドリル
DE102018205681B4 (de) * 2018-04-13 2023-06-15 Kennametal Inc. Verfahren zur Herstellung eines Schneidwerkzeugs und Schneidwerkzeug
EP3981529A1 (en) * 2020-10-08 2022-04-13 Walter Ag Drill point

Also Published As

Publication number Publication date
JPS6056809A (ja) 1985-04-02

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