IT1107922B - Dispositivo di martinetto idraulico anulare particolarmente per mandrini di serraggio dei pezzi per macchine utensili - Google Patents

Dispositivo di martinetto idraulico anulare particolarmente per mandrini di serraggio dei pezzi per macchine utensili

Info

Publication number
IT1107922B
IT1107922B IT68552/78A IT6855278A IT1107922B IT 1107922 B IT1107922 B IT 1107922B IT 68552/78 A IT68552/78 A IT 68552/78A IT 6855278 A IT6855278 A IT 6855278A IT 1107922 B IT1107922 B IT 1107922B
Authority
IT
Italy
Prior art keywords
hydraulic jack
machine tools
jack device
device particularly
annular hydraulic
Prior art date
Application number
IT68552/78A
Other languages
English (en)
Other versions
IT7868552A0 (it
Original Assignee
Precision Industrielle
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 Precision Industrielle filed Critical Precision Industrielle
Publication of IT7868552A0 publication Critical patent/IT7868552A0/it
Application granted granted Critical
Publication of IT1107922B publication Critical patent/IT1107922B/it

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
    • B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
    • B23B31/30—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck
    • B23B31/302—Hydraulic equipment, e.g. pistons, valves, rotary joints

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
IT68552/78A 1977-07-04 1978-06-30 Dispositivo di martinetto idraulico anulare particolarmente per mandrini di serraggio dei pezzi per macchine utensili IT1107922B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7720474A FR2396883A1 (fr) 1977-07-04 1977-07-04 Dispositif de verin hydraulique annulaire, notamment pour la commande d'un mandrin de serrage de piece sur une machine-outil

Publications (2)

Publication Number Publication Date
IT7868552A0 IT7868552A0 (it) 1978-06-30
IT1107922B true IT1107922B (it) 1985-12-02

Family

ID=9192935

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68552/78A IT1107922B (it) 1977-07-04 1978-06-30 Dispositivo di martinetto idraulico anulare particolarmente per mandrini di serraggio dei pezzi per macchine utensili

Country Status (6)

Country Link
US (1) US4249451A (it)
JP (1) JPS6059088B2 (it)
DE (1) DE2829146C2 (it)
FR (1) FR2396883A1 (it)
GB (1) GB2000701B (it)
IT (1) IT1107922B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342257A (en) * 1980-04-28 1982-08-03 Weyer Paul P Rotary actuator with integral fluid coupling joint
US4339108A (en) * 1980-05-05 1982-07-13 Daniluk Philip M Actuator for remotely operating a moving mechanism
DE3117850A1 (de) * 1981-05-06 1982-11-25 Günter Horst 7927 Sontheim Röhm Spanneinrichtung an werkzeugmaschinen mit einem umlaufenden spannzylinder und mit einer kontrolleinrichtung fuer die axialverschiebungen eines im spannzylinder mitumlaufend angeordneten spannkolbens
US4621568A (en) * 1984-11-30 1986-11-11 The S-P Manufacturing Corporation Rotary hydraulic cylinder
JPS61166742U (it) * 1985-04-03 1986-10-16
DE3537686A1 (de) * 1985-10-23 1987-04-23 Roehm Guenter H Oelhydraulisch betaetigter spannzylinder fuer spanneinrichtungen an einer rotierenden spindel
FR2605379B1 (fr) * 1986-10-16 1989-10-27 Gamet Precision Joint hydraulique tournant annulaire a temperature stabilisee
US5031509A (en) * 1988-03-25 1991-07-16 Titan Tool, Inc. Anti-leak seal for pump motor
DE3929011A1 (de) * 1989-09-01 1991-03-07 Roehm Guenter H Spanneinrichtung an werkzeugmaschinen
FR2675230B1 (fr) * 1991-04-12 1993-08-13 Gamet Precision Valve a tiroir a commande fluidique.
US6581509B1 (en) 2001-05-25 2003-06-24 Stephens Dynamics, Inc. Rotary cylinder assembly for a machine tool
US20090100700A1 (en) * 2007-10-23 2009-04-23 Kadant Johnson, Inc. Rotary valve

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2219488A (en) * 1938-10-25 1940-10-29 Automotive Prod Co Ltd Liquid pressure remote control system
ES347527A1 (es) * 1967-11-23 1969-02-01 Sagarduy Doistua Perfeccionamientos en los medios de transmision por fluido para la sujecion de piezas en maquinas-herramientas.
US3608431A (en) * 1969-07-14 1971-09-28 Lummus Industries Control system for the ram of vertically disposed fluid pressure cylinders
US3595264A (en) * 1970-01-09 1971-07-27 Parker Hannifin Corp Load control and holding valve
FR2055206A5 (it) * 1970-05-09 1971-05-07 Pinto Mario Spa
US3799032A (en) * 1972-01-17 1974-03-26 Omark Industries Inc Safety holding valve rod eye assembly
FR2180425B1 (it) * 1972-04-11 1974-08-30 Precision Industrielle
DE2256933C3 (de) * 1972-11-21 1975-05-07 W. Hofmann & Co Kg, 5657 Haan Druckmittelbetätigter umlaufender Spannzylinder für Spanneinrichtungen
FR2230885B1 (it) * 1973-04-13 1977-07-29 Precision Industrielle
FR2241708A1 (en) * 1973-04-16 1975-03-21 Precision Industrielle Machine tool mandrel rotary hydraulic jack - has spring loaded slides controlling flow through rotary bearings
FR2227450B1 (it) * 1973-04-24 1976-04-23 Precision Industrielle
US3972537A (en) * 1975-01-09 1976-08-03 The Warner & Swasey Company Chuck actuator assembly
US4080716A (en) * 1977-04-25 1978-03-28 Wilhelm Hegenscheidt Gesellschaft Mbh Method for controlling proper clamping of a workpiece in a clamping device

Also Published As

Publication number Publication date
GB2000701A (en) 1979-01-17
JPS6059088B2 (ja) 1985-12-23
IT7868552A0 (it) 1978-06-30
DE2829146C2 (de) 1986-01-02
FR2396883B1 (it) 1984-05-11
JPS5445881A (en) 1979-04-11
US4249451A (en) 1981-02-10
DE2829146A1 (de) 1979-01-25
GB2000701B (en) 1982-02-17
FR2396883A1 (fr) 1979-02-02

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