JPS6234484B2 - - Google Patents

Info

Publication number
JPS6234484B2
JPS6234484B2 JP56133161A JP13316181A JPS6234484B2 JP S6234484 B2 JPS6234484 B2 JP S6234484B2 JP 56133161 A JP56133161 A JP 56133161A JP 13316181 A JP13316181 A JP 13316181A JP S6234484 B2 JPS6234484 B2 JP S6234484B2
Authority
JP
Japan
Prior art keywords
cutting
cutting edge
core
blades
zone
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
JP56133161A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5834706A (ja
Inventor
Takuji Nomura
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.)
NIPPON YAKIN KK
Original Assignee
NIPPON YAKIN 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 NIPPON YAKIN KK filed Critical NIPPON YAKIN KK
Priority to JP13316181A priority Critical patent/JPS5834706A/ja
Publication of JPS5834706A publication Critical patent/JPS5834706A/ja
Publication of JPS6234484B2 publication Critical patent/JPS6234484B2/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
    • B23B51/04—Drills for trepanning
    • 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)
JP13316181A 1981-08-24 1981-08-24 超硬ドリル Granted JPS5834706A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13316181A JPS5834706A (ja) 1981-08-24 1981-08-24 超硬ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13316181A JPS5834706A (ja) 1981-08-24 1981-08-24 超硬ドリル

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP61008669A Division JPS61168415A (ja) 1986-01-17 1986-01-17 超硬ドリル

Publications (2)

Publication Number Publication Date
JPS5834706A JPS5834706A (ja) 1983-03-01
JPS6234484B2 true JPS6234484B2 (enrdf_load_html_response) 1987-07-27

Family

ID=15098110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13316181A Granted JPS5834706A (ja) 1981-08-24 1981-08-24 超硬ドリル

Country Status (1)

Country Link
JP (1) JPS5834706A (enrdf_load_html_response)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029015U (ja) * 1983-07-27 1985-02-27 三菱マテリアル株式会社 超硬バニシングドリル
JPS61168415A (ja) * 1986-01-17 1986-07-30 Nippon Yakin:Kk 超硬ドリル
DE4204428C2 (de) * 1992-02-14 1994-02-03 Dornier Luftfahrt Hohlbohrwerkzeug zur Herstellung von zylindrischen Bohrungen
US5823720A (en) * 1996-02-16 1998-10-20 Bitmoore High precision cutting tools
JP2009226560A (ja) * 2008-03-25 2009-10-08 Yunitakku Kk ガンドリル
JP2009255202A (ja) * 2008-04-14 2009-11-05 Yunitakku Kk 深穴切削用ドリルヘッド
JP5078731B2 (ja) * 2008-04-25 2012-11-21 ユニタック株式会社 深穴切削用スローアウェイチップ及び深穴切削用ドリルヘッド
CN102389992A (zh) * 2011-05-10 2012-03-28 上海锅炉厂有限公司 一种可转位扩孔钻

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822283B2 (ja) * 1979-10-02 1983-05-07 三菱マテリアル株式会社 穴明け工具

Also Published As

Publication number Publication date
JPS5834706A (ja) 1983-03-01

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