ZA884335B - Drill bit with cutting insert - Google Patents

Drill bit with cutting insert

Info

Publication number
ZA884335B
ZA884335B ZA884335A ZA884335A ZA884335B ZA 884335 B ZA884335 B ZA 884335B ZA 884335 A ZA884335 A ZA 884335A ZA 884335 A ZA884335 A ZA 884335A ZA 884335 B ZA884335 B ZA 884335B
Authority
ZA
South Africa
Prior art keywords
insert
drill
facet
cutting
seat
Prior art date
Application number
ZA884335A
Other languages
English (en)
Inventor
Theo Axel Notter
Axel Notter Theo
David William James
William James David
Original Assignee
Manxtal Cutting Tools Limited
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 Manxtal Cutting Tools Limited filed Critical Manxtal Cutting Tools Limited
Publication of ZA884335B publication Critical patent/ZA884335B/xx

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
    • B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
    • B23B2228/12—Abrasive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2240/00—Details of connections of tools or workpieces
    • B23B2240/08—Brazed connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/50—Drilling tools comprising cutting inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
  • Holo Graphy (AREA)
  • Surgical Instruments (AREA)
ZA884335A 1987-06-18 1988-06-17 Drill bit with cutting insert ZA884335B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878714340A GB8714340D0 (en) 1987-06-18 1987-06-18 Drill bit

Publications (1)

Publication Number Publication Date
ZA884335B true ZA884335B (en) 1989-03-29

Family

ID=10619178

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA884335A ZA884335B (en) 1987-06-18 1988-06-17 Drill bit with cutting insert

Country Status (9)

Country Link
EP (1) EP0295946B1 (de)
JP (1) JPH0732969B2 (de)
KR (1) KR950009957B1 (de)
AT (1) ATE87251T1 (de)
AU (1) AU598383B2 (de)
CA (1) CA1326146C (de)
DE (1) DE3879555T2 (de)
GB (1) GB8714340D0 (de)
ZA (1) ZA884335B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9104366D0 (en) * 1991-03-01 1991-04-17 De Beers Ind Diamond Composite cutting insert
GB9310500D0 (en) * 1993-05-21 1993-07-07 De Beers Ind Diamond Cutting tool
US6135681A (en) * 1998-08-21 2000-10-24 Allied Machine & Engineering Flat bottom tool
JP5828487B2 (ja) * 2010-07-13 2015-12-09 エレメント シックス リミテッド 割送り型カッターインサート、割送り型カッターインサート用の成形物及びその製造方法
GB201020967D0 (en) 2010-12-10 2011-01-26 Element Six Production Pty Ltd Bit for a rotary drill
JP6029004B2 (ja) * 2011-11-28 2016-11-24 三菱マテリアル株式会社 Ｐｃｄドリル
USD734790S1 (en) 2013-06-12 2015-07-21 Element Six (Production) (Pty) Ltd Drill bit tip
CN114054790B (zh) * 2020-07-29 2025-07-08 中国科学院上海光学精密机械研究所 一种焊接电极的修磨刀片及修磨方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD17839A (de) *
DE602663C (de) * 1931-12-23 1934-09-13 Fried Krupp Akt Ges Spiral- oder Spitzbohrer fuer Metall
SE382579B (sv) * 1974-01-30 1976-02-09 Skf Ind Trading & Dev Sett att framstella skerverktyg av vendskertyp med flera skereggar
US4222690A (en) * 1977-12-03 1980-09-16 Ryosuke Hosoi Drill having cutting edges with the greatest curvature at the central portion thereof
FR2423626B1 (fr) * 1978-04-21 1985-11-29 Christensen Inc Norton Trepan de forage rotatif pour forages profonds
US4505721A (en) * 1982-03-31 1985-03-19 Almond Eric A Abrasive bodies
KR920001585B1 (ko) * 1984-06-12 1992-02-20 스미또모 덴끼 고교 가부시끼 가이샤 복합 소결 재료 봉체 및 그 제조방법

Also Published As

Publication number Publication date
KR890000195A (ko) 1989-03-13
CA1326146C (en) 1994-01-18
AU1776288A (en) 1988-12-22
GB8714340D0 (en) 1987-07-22
DE3879555T2 (de) 1993-07-01
KR950009957B1 (en) 1995-09-04
DE3879555D1 (de) 1993-04-29
AU598383B2 (en) 1990-06-21
JPS6416330A (en) 1989-01-19
EP0295946B1 (de) 1993-03-24
ATE87251T1 (de) 1993-04-15
EP0295946A1 (de) 1988-12-21
JPH0732969B2 (ja) 1995-04-12

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