US3626645A - Method of sharpening twist drills - Google Patents

Method of sharpening twist drills Download PDF

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Publication number
US3626645A
US3626645A US865299A US3626645DA US3626645A US 3626645 A US3626645 A US 3626645A US 865299 A US865299 A US 865299A US 3626645D A US3626645D A US 3626645DA US 3626645 A US3626645 A US 3626645A
Authority
US
United States
Prior art keywords
twist
drill
grinding
sharpening
point
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 - Lifetime
Application number
US865299A
Other languages
English (en)
Inventor
Claude Rochet
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.)
Renault SAS
Regie Nationale des Usines Renault
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Application granted granted Critical
Publication of US3626645A publication Critical patent/US3626645A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B23B2251/18—Configuration of the drill point

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Drilling Tools (AREA)
US865299A 1968-10-18 1969-10-10 Method of sharpening twist drills Expired - Lifetime US3626645A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR170457 1968-10-18

Publications (1)

Publication Number Publication Date
US3626645A true US3626645A (en) 1971-12-14

Family

ID=8655818

Family Applications (1)

Application Number Title Priority Date Filing Date
US865299A Expired - Lifetime US3626645A (en) 1968-10-18 1969-10-10 Method of sharpening twist drills

Country Status (10)

Country Link
US (1) US3626645A (de)
JP (1) JPS505433B1 (de)
BG (1) BG21002A3 (de)
DE (1) DE1952217C3 (de)
ES (1) ES372264A1 (de)
FR (1) FR1589568A (de)
GB (1) GB1282327A (de)
HU (1) HU165984B (de)
NL (1) NL6915658A (de)
YU (1) YU33151B (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838540A (en) * 1972-06-05 1974-10-01 J Steinmetz Apparatus for sharpening drills and other cutting tools
JPS49112291A (de) * 1973-02-10 1974-10-25
US3916582A (en) * 1973-06-20 1975-11-04 Marcel Costil Cutting-tool grinding method
EP0046833A1 (de) * 1980-08-29 1982-03-10 Christen AG, Wabern Bohrspitzen-Schleifmaschine
US5146669A (en) * 1991-07-31 1992-09-15 Fabiano Joseph F Method of manufacturing an insert drill
WO2000044530A1 (en) * 1999-01-29 2000-08-03 Intertool Machines Ltd. Universal sharpening apparatus employing pair of arcuate bearings
US6450864B1 (en) * 2000-10-13 2002-09-17 Raphael W. Smith End mill grinder with two independently adjustable grinding wheels
WO2004014241A1 (en) 2002-08-08 2004-02-19 Liam Patrick Ellis A drill bit and method for producing a drill bit
CN101642382B (zh) * 2002-08-08 2014-01-01 瑟吉比特Ip控股有限公司 钻头
EP2918360A1 (de) * 2014-03-13 2015-09-16 Kennametal Inc. Rotationswerkzeug, insbesondere bohrwerkzeug sowie verfahren zur herstellung eines rotationswerkzeuges

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL64173A (en) * 1981-10-30 1984-03-30 Etm Eng Tool Mfg Co Ltd Machine for grinding points of drills
DE3202362C2 (de) * 1982-01-26 1986-05-22 Fa. Gottlieb Gühring, 7470 Albstadt Vorrichtung zum Ausspitzen eines Wendelbohrers
GB2146925A (en) * 1983-09-23 1985-05-01 Microcut Machine Tools Limited Drill point grinding machine
KR950031335A (ko) * 1994-05-13 1995-12-18 아키모토 유우미 드릴
DE19955172A1 (de) * 1999-11-16 2001-05-23 Kennametal Inc Verfahren zum Schleifen einer Bohrspitze und Bohrerspitze
JP5217031B2 (ja) * 2008-07-01 2013-06-19 ニシガキ工業株式会社 ドリルチャック及びドリル研磨機

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838540A (en) * 1972-06-05 1974-10-01 J Steinmetz Apparatus for sharpening drills and other cutting tools
JPS49112291A (de) * 1973-02-10 1974-10-25
US3894358A (en) * 1973-02-10 1975-07-15 Kapp & Co Mounting arrangement for a grinding wheel dressing device
JPS56167B2 (de) * 1973-02-10 1981-01-06
US3916582A (en) * 1973-06-20 1975-11-04 Marcel Costil Cutting-tool grinding method
EP0046833A1 (de) * 1980-08-29 1982-03-10 Christen AG, Wabern Bohrspitzen-Schleifmaschine
US5146669A (en) * 1991-07-31 1992-09-15 Fabiano Joseph F Method of manufacturing an insert drill
US5302059A (en) * 1991-07-31 1994-04-12 Fabiano Joseph F Insert drill
WO2000044530A1 (en) * 1999-01-29 2000-08-03 Intertool Machines Ltd. Universal sharpening apparatus employing pair of arcuate bearings
US6450864B1 (en) * 2000-10-13 2002-09-17 Raphael W. Smith End mill grinder with two independently adjustable grinding wheels
US20090216235A1 (en) * 2002-08-08 2009-08-27 Surgibit Ip Holdings Pty Limited Drill bit and method for producing a drill bit
US8162945B2 (en) 2002-08-08 2012-04-24 Surgibit Ip Holdings Pty Limited Drill bit and method for producing a drill bit
US20050203526A1 (en) * 2002-08-08 2005-09-15 Ellis Liam P. Drill bit and method for producing a drill bit
EP1528892A4 (de) * 2002-08-08 2009-07-01 Surgibit Ip Holdings Pty Limit Ein bohrmeissel und verfahren zur herstellung eines bohrmeissels
WO2004014241A1 (en) 2002-08-08 2004-02-19 Liam Patrick Ellis A drill bit and method for producing a drill bit
US20090222009A1 (en) * 2002-08-08 2009-09-03 Surgibit Ip Holdings Pty Limited Drill bit and method for producing a drill bit
US7892235B2 (en) 2002-08-08 2011-02-22 Surgibit Ip Holdings Pty Limited Drill bit and method for producing a drill bit
EP2399531A1 (de) * 2002-08-08 2011-12-28 Surgibit Ip Holdings Pty Limited Bohreinsatz
EP2399530A1 (de) * 2002-08-08 2011-12-28 Surgibit Ip Holdings Pty Limited Bohreinsatz
EP1528892A1 (de) * 2002-08-08 2005-05-11 Liam Patrick Ellis Ein bohrmeissel und verfahren zur herstellung eines bohrmeissels
US8172845B2 (en) 2002-08-08 2012-05-08 Surgibit Ip Holdings Pty Limited Drill bit and method for producing a drill bit
CN101642382B (zh) * 2002-08-08 2014-01-01 瑟吉比特Ip控股有限公司 钻头
US11337709B2 (en) 2002-08-08 2022-05-24 Surgibit Ip Holdings Pty Limited Drill bit and method for producing a drill bit
CN104907611A (zh) * 2014-03-13 2015-09-16 钴碳化钨硬质合金公司 一种旋转工具,特别是一种钻孔工具,以及制造旋转工具的方法
US9604285B2 (en) 2014-03-13 2017-03-28 Kennametal, Inc. Rotary tool and method for manufacturing
CN104907611B (zh) * 2014-03-13 2020-04-10 钴碳化钨硬质合金公司 一种旋转工具，特别是一种钻孔工具，以及制造旋转工具的方法
DE102014204700B4 (de) 2014-03-13 2022-02-17 Kennametal Inc. Rotationswerkzeug, insbesondere Bohrwerkzeug sowie Verfahren zur Herstellung eines Rotationswerkzeuges
EP2918360A1 (de) * 2014-03-13 2015-09-16 Kennametal Inc. Rotationswerkzeug, insbesondere bohrwerkzeug sowie verfahren zur herstellung eines rotationswerkzeuges

Also Published As

Publication number Publication date
YU251569A (en) 1975-12-31
DE1952217B2 (de) 1979-09-20
JPS505433B1 (de) 1975-03-04
BG21002A3 (de) 1976-01-20
HU165984B (de) 1974-12-28
DE1952217C3 (de) 1980-05-29
NL6915658A (de) 1970-04-21
FR1589568A (de) 1970-03-31
DE1952217A1 (de) 1971-03-25
ES372264A1 (es) 1971-09-16
YU33151B (en) 1976-06-30
GB1282327A (en) 1972-07-19

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