EP0152400A3 - Device for sharpening twist drills - Google Patents

Device for sharpening twist drills Download PDF

Info

Publication number
EP0152400A3
EP0152400A3 EP85890035A EP85890035A EP0152400A3 EP 0152400 A3 EP0152400 A3 EP 0152400A3 EP 85890035 A EP85890035 A EP 85890035A EP 85890035 A EP85890035 A EP 85890035A EP 0152400 A3 EP0152400 A3 EP 0152400A3
Authority
EP
European Patent Office
Prior art keywords
grinding
grinding surface
guiding
drill
guiding body
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.)
Granted
Application number
EP85890035A
Other languages
English (en)
Other versions
EP0152400B1 (de
EP0152400A2 (de
Inventor
Raimund August Wurscher
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.)
Wurscher Raimund
Original Assignee
INTERMEDIUM AG
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 INTERMEDIUM AG filed Critical INTERMEDIUM AG
Publication of EP0152400A2 publication Critical patent/EP0152400A2/de
Publication of EP0152400A3 publication Critical patent/EP0152400A3/de
Application granted granted Critical
Publication of EP0152400B1 publication Critical patent/EP0152400B1/de
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
EP85890035A 1984-02-14 1985-02-13 Einrichtung zum Schleifen von Spiralbohrern Expired EP0152400B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT464/84 1984-02-14
AT0046484A AT380419B (de) 1984-02-14 1984-02-14 Einrichtung zum schleifen von spiralbohrern

Publications (3)

Publication Number Publication Date
EP0152400A2 EP0152400A2 (de) 1985-08-21
EP0152400A3 true EP0152400A3 (en) 1986-12-30
EP0152400B1 EP0152400B1 (de) 1988-05-11

Family

ID=3491313

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85890035A Expired EP0152400B1 (de) 1984-02-14 1985-02-13 Einrichtung zum Schleifen von Spiralbohrern

Country Status (7)

Country Link
US (1) US4574529A (de)
EP (1) EP0152400B1 (de)
JP (1) JPS60180757A (de)
AT (2) AT380419B (de)
CA (1) CA1233988A (de)
DE (1) DE3562578D1 (de)
ES (1) ES540321A0 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT385703B (de) * 1986-07-07 1988-05-10 Wurscher Raimund Einrichtung zum schleifen von spiralbohrern
DE4038524A1 (de) * 1990-12-03 1992-06-04 Folke Werner Bohrerschleifeinrichtung
US9199315B2 (en) 2000-06-02 2015-12-01 Kennametal Inc. Twist drill and method for producing a twist drill which method includes forming a flute of a twist drill
US9855966B2 (en) * 2012-11-20 2018-01-02 Glenn S. Welch Sharpening tool, sharpening system and kit
CN102974872A (zh) * 2012-12-19 2013-03-20 南通第五机床有限公司 一种钻床用立卧转换钻头
CN112507523B (zh) * 2020-11-16 2024-05-17 深圳数马电子技术有限公司 一种麻花钻模型的建立方法以及装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800755A (en) * 1955-03-14 1957-07-30 Joseph D Perra Drill sharpener
DE2042014A1 (de) * 1969-10-07 1971-04-22 Wurscher Raimund Dr Phil Einrichtung zum Schleifen von Bohrern
DE1959470A1 (de) * 1969-11-27 1971-07-22 Wurscher Raimund August Einrichtung zum Schleifen von Bohrern
FR2242853A5 (en) * 1973-08-28 1975-03-28 Bosch Gmbh Robert Drill grinder with guide body - fixed guide pins engaging drill flutes screw adjusted towards grinding wheel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE325210B (de) * 1967-05-03 1970-06-22 R Wurscher
US3742652A (en) * 1970-03-06 1973-07-03 Black & Decker Mfg Co Drill sharpener
US4016680A (en) * 1974-04-01 1977-04-12 The Black And Decker Manufacturing Company Sharpener for twist drills including grinding wheel dressing means

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800755A (en) * 1955-03-14 1957-07-30 Joseph D Perra Drill sharpener
DE2042014A1 (de) * 1969-10-07 1971-04-22 Wurscher Raimund Dr Phil Einrichtung zum Schleifen von Bohrern
DE1959470A1 (de) * 1969-11-27 1971-07-22 Wurscher Raimund August Einrichtung zum Schleifen von Bohrern
FR2242853A5 (en) * 1973-08-28 1975-03-28 Bosch Gmbh Robert Drill grinder with guide body - fixed guide pins engaging drill flutes screw adjusted towards grinding wheel

Also Published As

Publication number Publication date
JPS6236827B2 (de) 1987-08-10
US4574529A (en) 1986-03-11
ES8601748A1 (es) 1985-11-16
EP0152400B1 (de) 1988-05-11
ATE34113T1 (de) 1988-05-15
EP0152400A2 (de) 1985-08-21
ATA46484A (de) 1985-10-15
JPS60180757A (ja) 1985-09-14
ES540321A0 (es) 1985-11-16
CA1233988A (en) 1988-03-15
AT380419B (de) 1986-05-26
DE3562578D1 (en) 1988-06-16

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