FR893908A - Mandrin à centrage automatique permettant de changer l'outil sans arrêter la machine - Google Patents

Mandrin à centrage automatique permettant de changer l'outil sans arrêter la machine

Info

Publication number
FR893908A
FR893908A FR893908DA FR893908A FR 893908 A FR893908 A FR 893908A FR 893908D A FR893908D A FR 893908DA FR 893908 A FR893908 A FR 893908A
Authority
FR
France
Prior art keywords
stopping
self
machine
tool change
centering chuck
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
Other languages
English (en)
Inventor
Mario Evangelista
Tullio Evangelista
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 filed Critical
Application granted granted Critical
Publication of FR893908A publication Critical patent/FR893908A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
    • B23B31/16004—Jaws movement actuated by one or more spiral grooves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR893908D 1940-12-07 1942-09-18 Mandrin à centrage automatique permettant de changer l'outil sans arrêter la machine Expired FR893908A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT893908X 1940-12-07

Publications (1)

Publication Number Publication Date
FR893908A true FR893908A (fr) 1944-11-14

Family

ID=11331497

Family Applications (1)

Application Number Title Priority Date Filing Date
FR893908D Expired FR893908A (fr) 1940-12-07 1942-09-18 Mandrin à centrage automatique permettant de changer l'outil sans arrêter la machine

Country Status (2)

Country Link
CH (1) CH232684A (fr)
FR (1) FR893908A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE925805C (de) * 1951-01-09 1955-03-31 Mario Evangelista Spannfutter fuer Drehbaenke, das ein Auswechseln der Werkstuecke ohne Unterbrechung des Antriebes ermoeglicht
DE939062C (de) * 1952-10-01 1956-02-16 Paul Forkardt K G Vorderendfutter
DE1052778B (de) * 1956-12-19 1959-03-12 Hans Donahl Spannfutter

Also Published As

Publication number Publication date
CH232684A (de) 1944-06-15

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