FR2427174A1 - Machine pour l'affutage des forets par bloc centreur commande par came reproductrice, et a degagement de l'ame des forets par berceau mobile - Google Patents

Machine pour l'affutage des forets par bloc centreur commande par came reproductrice, et a degagement de l'ame des forets par berceau mobile

Info

Publication number
FR2427174A1
FR2427174A1 FR7816446A FR7816446A FR2427174A1 FR 2427174 A1 FR2427174 A1 FR 2427174A1 FR 7816446 A FR7816446 A FR 7816446A FR 7816446 A FR7816446 A FR 7816446A FR 2427174 A1 FR2427174 A1 FR 2427174A1
Authority
FR
France
Prior art keywords
block
twist drill
slewing
clearance angle
drill sharpening
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
FR7816446A
Other languages
English (en)
Other versions
FR2427174B1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7816446A priority Critical patent/FR2427174A1/fr
Publication of FR2427174A1 publication Critical patent/FR2427174A1/fr
Application granted granted Critical
Publication of FR2427174B1 publication Critical patent/FR2427174B1/fr
Granted 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)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

Machine pour l'affûtage des forets et l'amincissement de leur âme. Elle se compose d'un bloc centreur pivotant sur son axe vertical et avançant vers la meule, commandée par une came reproductrice, permettant d'obtenir sur la lèvre coupante du foret, l'angle de coupe et de dépouille en un seul mouvement ainsi que l'amincissement de l'âme des forets, par berceau mobile. Elle a son utilisation dans toutes les industries mécaniques ou autres.
FR7816446A 1978-06-01 1978-06-01 Machine pour l'affutage des forets par bloc centreur commande par came reproductrice, et a degagement de l'ame des forets par berceau mobile Granted FR2427174A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7816446A FR2427174A1 (fr) 1978-06-01 1978-06-01 Machine pour l'affutage des forets par bloc centreur commande par came reproductrice, et a degagement de l'ame des forets par berceau mobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7816446A FR2427174A1 (fr) 1978-06-01 1978-06-01 Machine pour l'affutage des forets par bloc centreur commande par came reproductrice, et a degagement de l'ame des forets par berceau mobile

Publications (2)

Publication Number Publication Date
FR2427174A1 true FR2427174A1 (fr) 1979-12-28
FR2427174B1 FR2427174B1 (fr) 1983-03-04

Family

ID=9208965

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7816446A Granted FR2427174A1 (fr) 1978-06-01 1978-06-01 Machine pour l'affutage des forets par bloc centreur commande par came reproductrice, et a degagement de l'ame des forets par berceau mobile

Country Status (1)

Country Link
FR (1) FR2427174A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0080093A2 (fr) * 1981-11-25 1983-06-01 Reinhold Reiling Support de forets pour l'affûtage des arêtes tranchantes

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB509214A (en) * 1938-10-18 1939-07-12 Jesse Alvin Yantiss Improvements in and relating to twist drill grinding attachments
US2870579A (en) * 1955-02-28 1959-01-27 Henry S Siemsen Automatic grinding machine for spiral drills
US2874520A (en) * 1957-05-27 1959-02-24 Hoerst Valentine Nickolas Manually operated grinding attachment
FR1589872A (fr) * 1967-10-24 1970-04-06
US3656264A (en) * 1970-04-24 1972-04-18 Radial Lip Machine Inc Method of grinding drills

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB509214A (en) * 1938-10-18 1939-07-12 Jesse Alvin Yantiss Improvements in and relating to twist drill grinding attachments
US2870579A (en) * 1955-02-28 1959-01-27 Henry S Siemsen Automatic grinding machine for spiral drills
US2874520A (en) * 1957-05-27 1959-02-24 Hoerst Valentine Nickolas Manually operated grinding attachment
FR1589872A (fr) * 1967-10-24 1970-04-06
US3656264A (en) * 1970-04-24 1972-04-18 Radial Lip Machine Inc Method of grinding drills

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0080093A2 (fr) * 1981-11-25 1983-06-01 Reinhold Reiling Support de forets pour l'affûtage des arêtes tranchantes
EP0080093A3 (en) * 1981-11-25 1984-08-01 Reinhold Reiling Support for drills for sharpening cutting edges

Also Published As

Publication number Publication date
FR2427174B1 (fr) 1983-03-04

Similar Documents

Publication Publication Date Title
GB1062818A (en) Rotating type cam grinding machine
GB1335622A (en) Bifocal contact lens and method of forming same
DE3373431D1 (en) Device for thinning a twist drill
ES418701A1 (es) Maquina automatica para reproducir llaves planas.
ES427406A1 (es) Metodo de afilado de herramientas de corte que trabajan en inmersion, y dispositivo de montaje para ponerlo en practica.
FR2394365A1 (fr) Outils a dresser, procede de fabrication de ces outils et procedes de dressage de meules avec ces outils
GB1021302A (en) Improvements in or relating to cams
ATE219396T1 (de) Bördel- und/oder falzschliessmaschine sowie betriebsverfahren
FR2427174A1 (fr) Machine pour l'affutage des forets par bloc centreur commande par came reproductrice, et a degagement de l'ame des forets par berceau mobile
US3584420A (en) Apparatus for grinding curved lip points on twist drills
GB979166A (en) Apparatus for dressing grinding wheels
US4058934A (en) Interform grinding machine
FR2265478A1 (en) Forging machine for bar-shaped workpieces - has punch guides inserted in radial bores of common setting ring coaxial with workpiece axis
GB1290119A (fr)
JPS5429194A (en) Method of grinding surface of frp shaft
GB1133787A (en) Improvements in or relating to lens trimming machines
GB1251365A (fr)
JPS5537202A (en) Cutting tool grinding device with sliding head
JPS5537201A (en) Grinder wheel shaping method at orifice of small-diameter tube
JPS53129399A (en) Surface lapping machine
GB1387399A (en) Lens forming machine with digital to analogue converter
JPS51114793A (en) Wood cutting tool polisher
JPS5233189A (en) Grinding method
GB991195A (en) A gear shaving machine
JPS57121449A (en) Grinding process and apparatus for edged tools

Legal Events

Date Code Title Description
AM Act modifying the rights related to an application or a patent
TP Transmission of property
CL Concession to grant licences