DE3713744C2 - - Google Patents

Info

Publication number
DE3713744C2
DE3713744C2 DE19873713744 DE3713744A DE3713744C2 DE 3713744 C2 DE3713744 C2 DE 3713744C2 DE 19873713744 DE19873713744 DE 19873713744 DE 3713744 A DE3713744 A DE 3713744A DE 3713744 C2 DE3713744 C2 DE 3713744C2
Authority
DE
Germany
Prior art keywords
piston
pressure chamber
lathe according
pressure
control
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
DE19873713744
Other languages
German (de)
English (en)
Other versions
DE3713744A1 (de
Inventor
Werner 6751 Katzweiler De Herrmann
Dieter 6750 Kaiserslautern De Braun
Hans-Werner 6751 Weilerbach De Steeb
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.)
GM Deutschland Holdings GmbH
Original Assignee
Adam Opel GmbH
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 Adam Opel GmbH filed Critical Adam Opel GmbH
Priority to DE19873713744 priority Critical patent/DE3713744A1/de
Publication of DE3713744A1 publication Critical patent/DE3713744A1/de
Application granted granted Critical
Publication of DE3713744C2 publication Critical patent/DE3713744C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/26—Fluid-pressure drives
    • B23Q5/266—Fluid-pressure drives with means to control the feed rate by controlling the fluid flow

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
DE19873713744 1987-04-24 1987-04-24 Drehmaschine und proportionalventil Granted DE3713744A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873713744 DE3713744A1 (de) 1987-04-24 1987-04-24 Drehmaschine und proportionalventil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873713744 DE3713744A1 (de) 1987-04-24 1987-04-24 Drehmaschine und proportionalventil

Publications (2)

Publication Number Publication Date
DE3713744A1 DE3713744A1 (de) 1988-11-03
DE3713744C2 true DE3713744C2 (cs) 1989-08-10

Family

ID=6326222

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873713744 Granted DE3713744A1 (de) 1987-04-24 1987-04-24 Drehmaschine und proportionalventil

Country Status (1)

Country Link
DE (1) DE3713744A1 (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6626073B1 (en) * 1999-07-07 2003-09-30 Hennessy Industries, Inc. On car brake lathe aligning apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3311025A (en) * 1965-09-16 1967-03-28 Kearney & Trecker Corp Feed rate modifier
DE1948013A1 (de) * 1969-09-23 1971-03-25 Siemens Ag Verfahren zur adaptiven Regelung von Drehmaschinen

Also Published As

Publication number Publication date
DE3713744A1 (de) 1988-11-03

Similar Documents

Publication Publication Date Title
DE2813694C2 (de) Druckmittelbetätigbare Kniehebelspannvorrichtung mit einem dopptelt wirkenden Spannzylinder, in dem ein Differentialkolben längsverschiebbar geführt ist
DE10013194B4 (de) Antriebsvorrichtung
EP2115305B1 (de) Hydraulischer antrieb, insbesondere für werkzeugmaschinen, und verfahren zum steuern des hydraulischen antriebs
DE3818068C2 (cs)
DE1576076A1 (de) Druckmittelmotor mit Absperrorgan
CH628117A5 (en) Brake-valve device
DE2150726B2 (de) Spindelpresse
DE2336512C2 (de) Ventil
DE3713744C2 (cs)
EP1253326A2 (de) Pneumatikventil
DE4237901C2 (de) Elektrohydraulische Steuervorrichtung und Druckminderventil
EP0483585B1 (de) Einstellbares Proportional-Drosselventil mit Rückführung
DE1106571B (de) UEberdruckeinrichtung fuer Druckmittelmotore
DE2432774B2 (de) Presse, insbesondere Feinschneidpresse
DE3039002C2 (de) Druckregelventil
DE3812116A1 (de) Elektrohydraulisches wegeventil
EP0815361B1 (de) Rohrbruchsicherungsventil
DE1263432B (de) Druckmittelbetaetigtes Ventil insbesondere fuer Gasturbinenanlagen
DE2249728C3 (de) Druckmittelbetriebener Arbeitszylinder für Eilgang und Krafthub
DE19613128C2 (de) Werkzeugmaschine mit einer Vorrichtung, die durch eine Kolben-Zylinder-Einheit betätigbar ist
DE3025803C2 (de) Hydrodynamische Drehmoment-Übertragunseinheit, insbesondere hydrodynamische Bremse
DE1944705C3 (de) Walzgerüst Anstellvorrichtung
DE19911789A1 (de) Einrichtung zur Regelung der Arbeits-Vorschubgeschwindigkeit der Arbeitseinheit einer Bearbeitungsmaschine
DE3400942C2 (de) Druckeinstelleinrichtung für ein Blindnietgerät für Nieten unterschiedlicher Größe
DE3626531C2 (de) Kraftfahrzeug mit einem Antriebsaggregat und mit einem mittels hydraulischer Stelleinrichtung einstellbaren Getriebe

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: B23Q 15/12

D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licenses declared (paragraph 23)
8339 Ceased/non-payment of the annual fee