FR2657035B1 - MACHINE FOR SHARPENING HELICAL FORESTS. - Google Patents

MACHINE FOR SHARPENING HELICAL FORESTS.

Info

Publication number
FR2657035B1
FR2657035B1 FR9000667A FR9000667A FR2657035B1 FR 2657035 B1 FR2657035 B1 FR 2657035B1 FR 9000667 A FR9000667 A FR 9000667A FR 9000667 A FR9000667 A FR 9000667A FR 2657035 B1 FR2657035 B1 FR 2657035B1
Authority
FR
France
Prior art keywords
forests
machine
sharpening
helical
sharpening helical
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 - Fee Related
Application number
FR9000667A
Other languages
French (fr)
Other versions
FR2657035A1 (en
Inventor
Bernard Maurin
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.)
Maurin SA Emile
Original Assignee
Maurin SA Emile
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 Maurin SA Emile filed Critical Maurin SA Emile
Priority to FR9000667A priority Critical patent/FR2657035B1/en
Priority to EP19910420011 priority patent/EP0437412A1/en
Publication of FR2657035A1 publication Critical patent/FR2657035A1/en
Application granted granted Critical
Publication of FR2657035B1 publication Critical patent/FR2657035B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • B24B3/28—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills by swivelling the drill around an axis angularly to the drill axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
FR9000667A 1990-01-12 1990-01-12 MACHINE FOR SHARPENING HELICAL FORESTS. Expired - Fee Related FR2657035B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9000667A FR2657035B1 (en) 1990-01-12 1990-01-12 MACHINE FOR SHARPENING HELICAL FORESTS.
EP19910420011 EP0437412A1 (en) 1990-01-12 1991-01-11 Machine for sharpening twist drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9000667A FR2657035B1 (en) 1990-01-12 1990-01-12 MACHINE FOR SHARPENING HELICAL FORESTS.

Publications (2)

Publication Number Publication Date
FR2657035A1 FR2657035A1 (en) 1991-07-19
FR2657035B1 true FR2657035B1 (en) 1995-01-06

Family

ID=9392976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9000667A Expired - Fee Related FR2657035B1 (en) 1990-01-12 1990-01-12 MACHINE FOR SHARPENING HELICAL FORESTS.

Country Status (2)

Country Link
EP (1) EP0437412A1 (en)
FR (1) FR2657035B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2733931B1 (en) * 1995-05-11 1997-08-01 Vancon Noel DRILL SHARPENER
CN102756307A (en) * 2012-07-31 2012-10-31 长城汽车股份有限公司 Method for grinding complex cutting tool and grinding wheel
CN105458932A (en) * 2015-12-30 2016-04-06 苏州钛盟科技精密模具有限公司 Grinding wheel bevel angle trimming jig
CN105583630A (en) * 2016-02-23 2016-05-18 安徽省宁国顺昌机械有限公司 Efficient bearing inner ring processing device
CN105563242B (en) * 2016-03-08 2018-01-02 桂林电子科技大学 A kind of full-automatic arrangement for grinding of fluted drill
CN110883614A (en) * 2019-10-25 2020-03-17 石家庄科菲机械制造有限公司 Drill bit sharpening machine
CN113787385B (en) * 2021-09-24 2022-12-09 厦门厦芝科技工具有限公司 Passivation machine and using method thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE720563C (en) * 1932-09-18 1942-05-11 Wesselmann Bohrer Co Ag Machine used for relief grinding the cutting back surfaces of twist drills
FR813333A (en) * 1936-02-05 1937-05-31 Advanced drill and sharpening machine
DE739722C (en) * 1940-02-16 1943-10-02 Ortlieb & Cie Julius Grinding machine, in particular spiral drill grinding machine
US2369642A (en) * 1942-06-08 1945-02-20 Benning Wilbert Orville Drill sharpener
US2512888A (en) * 1948-05-08 1950-06-27 Henry Hildebrandt Apparatus for grinding drills
FR66604E (en) * 1949-07-27 1957-06-18 Sharpening of drills and the like
DE1111053B (en) * 1958-09-24 1961-07-13 Solid Werk Georg Ehni Device for grinding twist drill tips
FR1493661A (en) * 1966-07-19 1967-09-01 Renault Method of sharpening twist drills and machine for its implementation

Also Published As

Publication number Publication date
FR2657035A1 (en) 1991-07-19
EP0437412A1 (en) 1991-07-17

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse