FR1224876A - Grinding machine for sharpening transverse cutting edges of drills, bits, reamers, milling cutters and the like - Google Patents

Grinding machine for sharpening transverse cutting edges of drills, bits, reamers, milling cutters and the like

Info

Publication number
FR1224876A
FR1224876A FR784819A FR784819A FR1224876A FR 1224876 A FR1224876 A FR 1224876A FR 784819 A FR784819 A FR 784819A FR 784819 A FR784819 A FR 784819A FR 1224876 A FR1224876 A FR 1224876A
Authority
FR
France
Prior art keywords
reamers
sharpening
drills
bits
grinding machine
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
FR784819A
Other languages
French (fr)
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.)
CAWI AND CO GmbH
Original Assignee
CAWI AND CO 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 CAWI AND CO GmbH filed Critical CAWI AND CO GmbH
Application granted granted Critical
Publication of FR1224876A publication Critical patent/FR1224876A/en
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
    • B24B3/02—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of milling cutters
    • B24B3/022—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of milling cutters relief grinding of milling cutters
    • 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
    • B24B3/242—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of step drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
FR784819A 1958-01-24 1959-01-23 Grinding machine for sharpening transverse cutting edges of drills, bits, reamers, milling cutters and the like Expired FR1224876A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC16173A DE1107114B (en) 1958-01-24 1958-01-24 Machine for grinding the cutting edges of a drill, countersink, step drill or the like.

Publications (1)

Publication Number Publication Date
FR1224876A true FR1224876A (en) 1960-06-28

Family

ID=7015990

Family Applications (1)

Application Number Title Priority Date Filing Date
FR784819A Expired FR1224876A (en) 1958-01-24 1959-01-23 Grinding machine for sharpening transverse cutting edges of drills, bits, reamers, milling cutters and the like

Country Status (5)

Country Link
US (1) US3158969A (en)
CH (1) CH372225A (en)
DE (1) DE1107114B (en)
FR (1) FR1224876A (en)
GB (1) GB890807A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711997A (en) * 1971-07-06 1973-01-23 A Kushigian Automatic drill pointing machine with automatic drill locater system
US3911629A (en) * 1972-06-05 1975-10-14 John C Steinmetz Method for sharpening drills and other cutting tools
JPS5153596U (en) * 1974-10-22 1976-04-23
US5288183A (en) * 1986-08-18 1994-02-22 Black & Decker Inc. Self-centering drill bit with pilot tip
US4968193A (en) * 1986-08-18 1990-11-06 Black & Decker Corporation Self-centering drill bit with pilot tip

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US641107A (en) * 1899-10-07 1900-01-09 Buckeye Iron And Brass Works Machine for grinding drills.
US1656388A (en) * 1925-03-09 1928-01-17 Nielsen Holger Grinding machine
FR653775A (en) * 1927-04-30 1929-03-27 Ericsson Telefon Ab L M Improvements to telephone systems including automatic telephone extensions of different systems
DE517145C (en) * 1928-09-02 1931-01-31 Herbert William Hunt Grinding and sharpening machine for cutting twist drills
US2386687A (en) * 1942-06-12 1945-10-09 Jearum Frederick Charles Grinding machine
US2513694A (en) * 1943-11-22 1950-07-04 Genevoise Instr Physique Thread grinding machine
US2682736A (en) * 1949-05-04 1954-07-06 Johannes Cawi Drill sharpening machine

Also Published As

Publication number Publication date
CH372225A (en) 1963-09-30
GB890807A (en) 1962-03-07
DE1107114B (en) 1961-05-18
US3158969A (en) 1964-12-01

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