FR2269400A1 - Hydraulic clamping unit for machine tool - has hand pump and supply passage for annular chamber in piston rod - Google Patents

Hydraulic clamping unit for machine tool - has hand pump and supply passage for annular chamber in piston rod

Info

Publication number
FR2269400A1
FR2269400A1 FR7513308A FR7513308A FR2269400A1 FR 2269400 A1 FR2269400 A1 FR 2269400A1 FR 7513308 A FR7513308 A FR 7513308A FR 7513308 A FR7513308 A FR 7513308A FR 2269400 A1 FR2269400 A1 FR 2269400A1
Authority
FR
France
Prior art keywords
piston rod
supply passage
hand pump
machine tool
annular chamber
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
FR7513308A
Other languages
English (en)
French (fr)
Other versions
FR2269400B3 (cs
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.)
LOCKMANN ET SOHN VERWALTUNGS G
Original Assignee
LOCKMANN ET SOHN VERWALTUNGS G
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
Priority claimed from DE19742421644 external-priority patent/DE2421644C3/de
Application filed by LOCKMANN ET SOHN VERWALTUNGS G filed Critical LOCKMANN ET SOHN VERWALTUNGS G
Publication of FR2269400A1 publication Critical patent/FR2269400A1/fr
Application granted granted Critical
Publication of FR2269400B3 publication Critical patent/FR2269400B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/04—Tool holders for a single cutting tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Jigs For Machine Tools (AREA)
FR7513308A 1974-05-04 1975-04-24 Hydraulic clamping unit for machine tool - has hand pump and supply passage for annular chamber in piston rod Granted FR2269400A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742421644 DE2421644C3 (de) 1974-05-04 Hydraulikspanner

Publications (2)

Publication Number Publication Date
FR2269400A1 true FR2269400A1 (en) 1975-11-28
FR2269400B3 FR2269400B3 (cs) 1978-11-10

Family

ID=5914664

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7513308A Granted FR2269400A1 (en) 1974-05-04 1975-04-24 Hydraulic clamping unit for machine tool - has hand pump and supply passage for annular chamber in piston rod

Country Status (4)

Country Link
AT (1) AT338070B (cs)
BE (1) BE828680A (cs)
CH (1) CH591309A5 (cs)
FR (1) FR2269400A1 (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480658A1 (fr) * 1980-04-17 1981-10-23 Schrem Werkzeugfabrik Gmbh Dispositif de serrage hydraulique pour machine-outil

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107984264A (zh) * 2017-12-27 2018-05-04 广州市白云泵业集团有限公司 泵体车夹具和车床

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480658A1 (fr) * 1980-04-17 1981-10-23 Schrem Werkzeugfabrik Gmbh Dispositif de serrage hydraulique pour machine-outil

Also Published As

Publication number Publication date
BE828680A (fr) 1975-09-01
DE2421644A1 (de) 1975-11-13
DE2421644B2 (de) 1977-05-18
ATA305675A (de) 1976-11-15
FR2269400B3 (cs) 1978-11-10
AT338070B (de) 1977-07-25
CH591309A5 (cs) 1977-09-15

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Legal Events

Date Code Title Description
ST Notification of lapse