IT7967815A0 - CLAMPING CHUCK FOR A ROTARY MACHINE TOOL - Google Patents

CLAMPING CHUCK FOR A ROTARY MACHINE TOOL

Info

Publication number
IT7967815A0
IT7967815A0 IT7967815A IT6781579A IT7967815A0 IT 7967815 A0 IT7967815 A0 IT 7967815A0 IT 7967815 A IT7967815 A IT 7967815A IT 6781579 A IT6781579 A IT 6781579A IT 7967815 A0 IT7967815 A0 IT 7967815A0
Authority
IT
Italy
Prior art keywords
machine tool
rotary machine
clamping chuck
chuck
clamping
Prior art date
Application number
IT7967815A
Other languages
Italian (it)
Other versions
IT1118566B (en
Original Assignee
Precision Industrielle
Francia
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, Francia filed Critical Precision Industrielle
Publication of IT7967815A0 publication Critical patent/IT7967815A0/en
Application granted granted Critical
Publication of IT1118566B publication Critical patent/IT1118566B/en

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
    • B23B31/14—Chucks with simultaneously-acting jaws, whether or not also individually adjustable involving the use of centrifugal force
    • B23B31/141—To counterbalance the jaws
    • 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
    • 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
    • B23B31/16195—Jaws movement actuated by levers moved by a coaxial control rod
    • B23B31/16216—Jaws movement actuated by levers moved by a coaxial control rod using fluid-pressure means to actuate the gripping means
    • B23B31/1622—Jaws movement actuated by levers moved by a coaxial control rod using fluid-pressure means to actuate the gripping means using mechanical transmission through the spindle
IT67815/79A 1978-04-20 1979-04-18 TIGHTENING SPINDLE FOR A ROTARY MACHINE TOOL IT1118566B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7811661A FR2423291A1 (en) 1978-04-20 1978-04-20 CHUCK FOR ROTARY MACHINE-TOOL

Publications (2)

Publication Number Publication Date
IT7967815A0 true IT7967815A0 (en) 1979-04-18
IT1118566B IT1118566B (en) 1986-03-03

Family

ID=9207381

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67815/79A IT1118566B (en) 1978-04-20 1979-04-18 TIGHTENING SPINDLE FOR A ROTARY MACHINE TOOL

Country Status (5)

Country Link
JP (1) JPS54142672A (en)
DE (1) DE2915854A1 (en)
FR (1) FR2423291A1 (en)
GB (1) GB2023465A (en)
IT (1) IT1118566B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5858163B2 (en) * 1980-03-31 1983-12-23 豊和工業株式会社 balance check
DE3268177D1 (en) * 1981-10-29 1986-02-06 Pratt Int Ltd Burnerd Workholding devices
DE3149612C2 (en) * 1981-12-15 1986-10-16 Paul Forkardt GmbH & Co KG, 4000 Düsseldorf Procedure for determining the clamping force
US4999002A (en) * 1990-08-15 1991-03-12 Anton Fink High speed chuck apparatus
PL234713B1 (en) * 2019-02-28 2020-03-31 Politechnika Swietokrzyska Wedge-type lathe chuck with compensation of centrifugal force effects

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1129058A (en) * 1955-06-07 1957-01-15 Prec Ind Machining chuck and its operating mechanism
US3370859A (en) * 1965-07-16 1968-02-27 Erickson Tool Co Chuck
DE2150885C2 (en) * 1971-10-13 1973-09-20 Paul Forkardt Kg, 4000 Duesseldorf Power operated chucks for lathes
DE2458958C3 (en) * 1974-12-12 1979-04-26 Gebrueder Boehringer Gmbh, 7320 Goeppingen Device for controlling the hydraulic clamping force of the workpiece chuck of a machine tool
US3984114A (en) * 1975-04-04 1976-10-05 The S-P Manufacturing Corporation Chuck with anti-centrifugal force feature
DE2530573C3 (en) * 1975-07-09 1979-08-09 Paul Forkardt Kg, 4000 Duesseldorf Power operated chucks for lathes
US4009888A (en) * 1975-11-24 1977-03-01 Cushman Industries, Incorporated Self-contained power chuck with centrifugally balanced jaws
DE2611923A1 (en) * 1976-03-20 1977-09-22 Hofmann & Co Kg W Small dia. power operated chuck - has three weighted arms to compensate for centrifugal force on jaw operating mechanism

Also Published As

Publication number Publication date
FR2423291A1 (en) 1979-11-16
DE2915854A1 (en) 1979-10-31
IT1118566B (en) 1986-03-03
JPS54142672A (en) 1979-11-07
GB2023465A (en) 1980-01-03

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