DE102013212122A1 - Bohrer - Google Patents

Bohrer Download PDF

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Publication number
DE102013212122A1
DE102013212122A1 DE201310212122 DE102013212122A DE102013212122A1 DE 102013212122 A1 DE102013212122 A1 DE 102013212122A1 DE 201310212122 DE201310212122 DE 201310212122 DE 102013212122 A DE102013212122 A DE 102013212122A DE 102013212122 A1 DE102013212122 A1 DE 102013212122A1
Authority
DE
Germany
Prior art keywords
radius
curved surface
cutting edge
drill
flank
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.)
Withdrawn
Application number
DE201310212122
Other languages
German (de)
English (en)
Inventor
Kazumasa Kurizuka
Masaaki Jindai
Kenta Nishi
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.)
Sumitomo Electric Hardmetal Corp
Original Assignee
Sumitomo Electric Hardmetal Corp
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 Sumitomo Electric Hardmetal Corp filed Critical Sumitomo Electric Hardmetal Corp
Publication of DE102013212122A1 publication Critical patent/DE102013212122A1/de
Withdrawn legal-status Critical Current

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Images

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
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • B23P15/32—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools twist-drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
    • B24B3/26—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills
    • B24B3/32—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills for thinning the 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
    • B23B2251/04—Angles, e.g. cutting angles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/12—Cross sectional views of the cutting edges
    • B23B2251/122—Bevelled cutting edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/12—Cross sectional views of the cutting edges
    • B23B2251/125—Rounded cutting edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/44—Margins, i.e. the narrow portion of the land which is not cut away to provide clearance on the circumferential surface
    • B23B2251/443—Double margin drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
DE201310212122 2012-06-28 2013-06-25 Bohrer Withdrawn DE102013212122A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012145133A JP2014008549A (ja) 2012-06-28 2012-06-28 ドリル
JP2012-145133 2012-06-28

Publications (1)

Publication Number Publication Date
DE102013212122A1 true DE102013212122A1 (de) 2014-01-02

Family

ID=49754350

Family Applications (1)

Application Number Title Priority Date Filing Date
DE201310212122 Withdrawn DE102013212122A1 (de) 2012-06-28 2013-06-25 Bohrer

Country Status (3)

Country Link
JP (1) JP2014008549A (ja)
CN (1) CN103506668A (ja)
DE (1) DE102013212122A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105473262A (zh) * 2014-06-17 2016-04-06 住友电工硬质合金株式会社 钻头
US20170028481A1 (en) * 2013-12-26 2017-02-02 Mitsubishi Materials Corporation Drill insert and indexable drill
EP3165329A4 (en) * 2014-07-01 2018-02-28 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Cutting tool production method and cutting tool

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3195967B1 (en) 2014-09-19 2018-08-01 Sumitomo Electric Hardmetal Corp. Drill
EP3733334A4 (en) * 2017-12-26 2021-09-22 Moldino Tool Engineering, Ltd. FOREST
JP7055761B2 (ja) * 2019-02-15 2022-04-18 株式会社タンガロイ 被覆切削工具
JP6750790B1 (ja) * 2019-10-15 2020-09-02 住友電工ハードメタル株式会社 ドリル
WO2024004075A1 (ja) * 2022-06-29 2024-01-04 住友電工ハードメタル株式会社 ドリル及び切削方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0741456B2 (ja) * 1987-10-13 1995-05-10 株式会社不二越 ドリル
JPH0230407A (ja) * 1988-07-19 1990-01-31 Sumitomo Electric Ind Ltd 刃先強化切削工具およびその製造方法
JP2001287110A (ja) * 2000-04-10 2001-10-16 Mitsubishi Materials Corp ドリル
US7140815B2 (en) * 2003-01-30 2006-11-28 Kennametal Inc. Drill for making flat bottom hole
JP3988659B2 (ja) * 2003-03-11 2007-10-10 三菱マテリアル株式会社 ドリル
JP2007050477A (ja) * 2005-08-18 2007-03-01 Mitsubishi Materials Kobe Tools Corp 超高圧焼結体チップ付きドリル
CN2933668Y (zh) * 2006-08-16 2007-08-15 大连轻工业学院 硬质合金高效钻尖
JP5286933B2 (ja) * 2007-05-24 2013-09-11 三菱マテリアル株式会社 ドリル
JP2009018360A (ja) * 2007-07-10 2009-01-29 Sumitomo Electric Hardmetal Corp 金属加工用ドリル
JP4858859B2 (ja) * 2008-04-15 2012-01-18 住友電工ハードメタル株式会社 ダブルマージン付きドリル
WO2010038279A1 (ja) * 2008-09-30 2010-04-08 オーエスジー株式会社 ドリル

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170028481A1 (en) * 2013-12-26 2017-02-02 Mitsubishi Materials Corporation Drill insert and indexable drill
CN105473262A (zh) * 2014-06-17 2016-04-06 住友电工硬质合金株式会社 钻头
EP3165329A4 (en) * 2014-07-01 2018-02-28 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Cutting tool production method and cutting tool

Also Published As

Publication number Publication date
JP2014008549A (ja) 2014-01-20
CN103506668A (zh) 2014-01-15

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Legal Events

Date Code Title Description
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee