KR20100045939A - 천공 공구 - Google Patents

천공 공구 Download PDF

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Publication number
KR20100045939A
KR20100045939A KR1020090101177A KR20090101177A KR20100045939A KR 20100045939 A KR20100045939 A KR 20100045939A KR 1020090101177 A KR1020090101177 A KR 1020090101177A KR 20090101177 A KR20090101177 A KR 20090101177A KR 20100045939 A KR20100045939 A KR 20100045939A
Authority
KR
South Korea
Prior art keywords
tool
clearance
tip
drilling tool
drilling
Prior art date
Application number
KR1020090101177A
Other languages
English (en)
Korean (ko)
Inventor
유사쿠 가자마
기요아키 오우치
히데오 쓰자카
Original Assignee
유니온쓰루 가부시키가이샤
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 유니온쓰루 가부시키가이샤 filed Critical 유니온쓰루 가부시키가이샤
Publication of KR20100045939A publication Critical patent/KR20100045939A/ko

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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
    • B23B2251/08—Side or plan views of 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
    • B23B2251/24—Overall form of drilling tools
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
KR1020090101177A 2008-10-24 2009-10-23 천공 공구 KR20100045939A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008274588A JP2010099790A (ja) 2008-10-24 2008-10-24 穴明け工具
JPJP-P-2008-274588 2008-10-24

Publications (1)

Publication Number Publication Date
KR20100045939A true KR20100045939A (ko) 2010-05-04

Family

ID=42273496

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020090101177A KR20100045939A (ko) 2008-10-24 2009-10-23 천공 공구

Country Status (4)

Country Link
JP (1) JP2010099790A (zh)
KR (1) KR20100045939A (zh)
CN (1) CN101722323B (zh)
TW (1) TW201020044A (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102240825B (zh) * 2010-05-10 2012-11-07 创国精密股份有限公司 单刃钻头的退屑槽成形方法
WO2013065695A1 (ja) * 2011-10-31 2013-05-10 株式会社タンガロイ 小径ドリル
JP5702431B2 (ja) * 2013-04-25 2015-04-15 ユニオンツール株式会社 穴明け工具
CN106141258A (zh) * 2016-08-17 2016-11-23 江苏飞达钻头股份有限公司 阶梯芯厚麻花钻及其制造方法
CN106624080B (zh) * 2016-12-20 2018-10-16 大连理工大学 一种阶梯微齿双刃带钻锪一体钻头

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706504A (en) * 1970-07-29 1972-12-19 Louis Simonffy Spiral drill having unequal cutting faces
JPH04244311A (ja) * 1991-01-29 1992-09-01 Hitachi Ltd 三段ウエブテーパドリル
JPH04244308A (ja) * 1991-01-30 1992-09-01 Kobe Steel Ltd ドリル
JP3166427B2 (ja) * 1993-07-27 2001-05-14 三菱マテリアル株式会社 穴明け工具
CN2303698Y (zh) * 1997-08-30 1999-01-13 由光宇 台阶式麻花钻
JP3783629B2 (ja) * 2002-01-30 2006-06-07 三菱マテリアル株式会社 ドリル

Also Published As

Publication number Publication date
CN101722323B (zh) 2012-04-18
TW201020044A (en) 2010-06-01
CN101722323A (zh) 2010-06-09
JP2010099790A (ja) 2010-05-06

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Legal Events

Date Code Title Description
A201 Request for examination
E601 Decision to refuse application