GB2018643B - Twist drill made of hard metal in particular for the drilling of printed circuit boards - Google Patents

Twist drill made of hard metal in particular for the drilling of printed circuit boards

Info

Publication number
GB2018643B
GB2018643B GB7909013A GB7909013A GB2018643B GB 2018643 B GB2018643 B GB 2018643B GB 7909013 A GB7909013 A GB 7909013A GB 7909013 A GB7909013 A GB 7909013A GB 2018643 B GB2018643 B GB 2018643B
Authority
GB
United Kingdom
Prior art keywords
drilling
printed circuit
circuit boards
hard metal
twist drill
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
GB7909013A
Other versions
GB2018643A (en
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.)
Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
Robert Bosch Power Tools GmbH
Original Assignee
Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
Hawera Probst GmbH
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 Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG, Hawera Probst GmbH filed Critical Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
Publication of GB2018643A publication Critical patent/GB2018643A/en
Application granted granted Critical
Publication of GB2018643B publication Critical patent/GB2018643B/en
Expired 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
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/005—Cylindrical shanks of tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2231/00—Details of chucks, toolholder shanks or tool shanks
    • B23B2231/02—Features of shanks of tools not relating to the operation performed by the tool
    • B23B2231/0204—Connection of shanks to working elements of tools
    • 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
    • B23B2240/28—Shrink-fitted connections, i.e. using heating and cooling to produce interference fits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/02—Connections between shanks and removable cutting heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/011—Micro drills
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0011—Working of insulating substrates or insulating layers
    • H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
    • H05K3/0047—Drilling of holes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Drilling And Boring (AREA)
GB7909013A 1978-03-18 1979-03-14 Twist drill made of hard metal in particular for the drilling of printed circuit boards Expired GB2018643B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782811977 DE2811977A1 (en) 1978-03-18 1978-03-18 HARD METAL TWIST DRILLS, IN PARTICULAR. FOR DRILLING CIRCUIT BOARDS

Publications (2)

Publication Number Publication Date
GB2018643A GB2018643A (en) 1979-10-24
GB2018643B true GB2018643B (en) 1982-04-28

Family

ID=6034882

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7909013A Expired GB2018643B (en) 1978-03-18 1979-03-14 Twist drill made of hard metal in particular for the drilling of printed circuit boards

Country Status (4)

Country Link
JP (1) JPS54129588A (en)
CH (1) CH635016A5 (en)
DE (1) DE2811977A1 (en)
GB (1) GB2018643B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH650182A5 (en) * 1981-06-16 1985-07-15 Sphinxwerke Mueller & Cie Ag Drills and use thereof for drilling printed circuit boards.
DE3232686A1 (en) * 1982-09-02 1984-03-08 Hartmetallwerkzeugfabrik Andreas Maier GmbH + Co KG, 7959 Schwendi ROTATIONAL CUTTING TOOL AND METHOD FOR THE PRODUCTION THEREOF
US4536108A (en) * 1983-05-23 1985-08-20 Federal-Mogul Corporation Flexible microdrill
JPS6239912U (en) * 1985-08-28 1987-03-10
US4818161A (en) * 1985-10-15 1989-04-04 Cook Harold D Tool holder system and method of use
JPH0247139U (en) * 1988-09-22 1990-03-30
JP2890592B2 (en) * 1989-01-26 1999-05-17 住友電気工業株式会社 Carbide alloy drill
DE4314868C2 (en) * 1993-05-05 2002-05-16 Hawera Probst Kg Hartmetall drilling
DE19800097A1 (en) * 1997-01-31 1998-08-06 Mitsubishi Materials Corp Manufacturing procedure for cutting tool
US6382888B2 (en) 1997-07-09 2002-05-07 Harold D Cook Vibration dampened spindle and tool holder assembly
WO1999002297A1 (en) * 1997-07-09 1999-01-21 Cook Harold D Machine tool extension and method of forming the same
US5979912A (en) * 1997-07-09 1999-11-09 Cook; Harold D. Heavy-metal shrink fit cutting tool mount
US5975816A (en) * 1997-07-09 1999-11-02 Cook; Harold D. Harmonic dampener for rotary tool holder
US6234729B1 (en) 1999-04-28 2001-05-22 Harold D. Cook Shrink fit shoulder interface
US6161309A (en) * 1999-04-28 2000-12-19 Cook; Harold D. Heat shrink tool holder cooler
US6109842A (en) * 1999-08-03 2000-08-29 Cook; Harold D. Tool holder with harmonic dampening drive mechanism
US6425716B1 (en) 2000-04-13 2002-07-30 Harold D. Cook Heavy metal burr tool
CA2353652C (en) * 2000-07-24 2006-07-04 Maxtech Manufacturing Inc. Two-piece drill bits
AT14084U1 (en) * 2013-10-16 2015-04-15 Ceratizit Austria Gmbh Machining tool and method for producing a machining tool
CN109379845B (en) * 2018-11-02 2021-06-22 珠海杰赛科技有限公司 Processing method of PTFE-containing multilayer circuit board
CN109600927A (en) * 2019-01-03 2019-04-09 六安煜晟电子科技有限公司 A kind of novel PCB drill point steel handle

Also Published As

Publication number Publication date
JPS54129588A (en) 1979-10-08
CH635016A5 (en) 1983-03-15
GB2018643A (en) 1979-10-24
DE2811977A1 (en) 1979-09-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee