ATE146723T1 - Pressverfahren, hydraulischer kreislauf und vorrichtung zur durchführung des verfahrens - Google Patents

Pressverfahren, hydraulischer kreislauf und vorrichtung zur durchführung des verfahrens

Info

Publication number
ATE146723T1
ATE146723T1 AT93117772T AT93117772T ATE146723T1 AT E146723 T1 ATE146723 T1 AT E146723T1 AT 93117772 T AT93117772 T AT 93117772T AT 93117772 T AT93117772 T AT 93117772T AT E146723 T1 ATE146723 T1 AT E146723T1
Authority
AT
Austria
Prior art keywords
pressing
hydraulic circuit
pump
hydraulic
flywheel
Prior art date
Application number
AT93117772T
Other languages
English (en)
Inventor
Ulrico Walchhutter
Renato Bossetti
Original Assignee
Siti Spa
Ulrico Walchhutter
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 IT8820936A external-priority patent/IT8820936A0/it
Priority claimed from IT8820937A external-priority patent/IT8820937A0/it
Priority claimed from IT8919203A external-priority patent/IT1228010B/it
Priority claimed from IT8919202A external-priority patent/IT1228009B/it
Application filed by Siti Spa, Ulrico Walchhutter filed Critical Siti Spa
Application granted granted Critical
Publication of ATE146723T1 publication Critical patent/ATE146723T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/161—Control arrangements for fluid-driven presses controlling the ram speed and ram pressure, e.g. fast approach speed at low pressure, low pressing speed at high pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/26—Programme control arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Reciprocating Pumps (AREA)
  • Massaging Devices (AREA)
  • Forklifts And Lifting Vehicles (AREA)
AT93117772T 1988-06-10 1989-05-30 Pressverfahren, hydraulischer kreislauf und vorrichtung zur durchführung des verfahrens ATE146723T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT8820936A IT8820936A0 (it) 1988-06-10 1988-06-10 Apparato idraulico di pressatura.
IT8820937A IT8820937A0 (it) 1988-06-10 1988-06-10 Apparato idraulico di pressatura.
IT8919203A IT1228010B (it) 1989-01-26 1989-01-26 Apparato idraulico di pressatura
IT8919202A IT1228009B (it) 1989-01-26 1989-01-26 Apparato idraulico di pressatura.

Publications (1)

Publication Number Publication Date
ATE146723T1 true ATE146723T1 (de) 1997-01-15

Family

ID=27452764

Family Applications (2)

Application Number Title Priority Date Filing Date
AT93117772T ATE146723T1 (de) 1988-06-10 1989-05-30 Pressverfahren, hydraulischer kreislauf und vorrichtung zur durchführung des verfahrens
AT89906764T ATE109399T1 (de) 1988-06-10 1989-05-30 Hydraulische pressvorrichtung.

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT89906764T ATE109399T1 (de) 1988-06-10 1989-05-30 Hydraulische pressvorrichtung.

Country Status (8)

Country Link
US (1) US5158723A (de)
EP (2) EP0422041B1 (de)
JP (1) JPH03504941A (de)
AT (2) ATE146723T1 (de)
AU (1) AU3757489A (de)
BR (1) BR8907481A (de)
DE (2) DE68917303T2 (de)
WO (1) WO1989011969A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5325668A (en) * 1988-06-10 1994-07-05 S.I.T.I. Societa Impianti Termoelettrici Industriali S.P.A. Method and apparatus for hydraulic pressing
IT1244021B (it) * 1990-11-21 1994-06-28 Siti Circuito idraulico per un apparato di pressatura e apparato di pressatura impiegante il circuito idraulico
ITMI913405A1 (it) 1991-12-18 1993-06-18 Siti S P A Soc Imp Termoelettr Procedimento per la pressatura a secco di un materiale granulare o polverulento,dispositivo ed apparato relativi
US5526738A (en) * 1994-02-22 1996-06-18 Logan; Eugene T. Hydraulic press with flywheel
JP3690534B2 (ja) * 1995-10-25 2005-08-31 株式会社小松製作所 高速液圧プレス
GB2318095B (en) * 1996-10-11 2001-03-28 Blockfoil Ltd A stamping press
US6053099A (en) * 1998-08-26 2000-04-25 The Minster Machine Company Flywheel engaged pump/motor
WO2002004153A1 (en) * 2000-07-12 2002-01-17 Utron Inc. Dynamic consolidation of powders using a pulsed energy source
PL2297468T3 (pl) * 2009-07-27 2014-10-31 Oilgear Towler S A S Urządzenie do hydraulicznie napędzanych maszyn przetwórczych, zwłaszcza hutniczych, oraz sposób napędzania takich maszyn
CN102501401B (zh) * 2011-10-29 2014-04-09 洛阳中冶重工机械有限公司 一种液压成型机成型压力控制系统及控制方法
CN103552276B (zh) * 2013-11-04 2015-05-20 江苏国力锻压机床有限公司 一种液压机的滑块控制系统
US11260441B2 (en) * 2017-11-24 2022-03-01 Danieli & C. Officine Meccaniche S.P.A. Press for extruding metal material

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT762455A (de) *
CH336263A (de) * 1955-11-30 1959-02-15 Zschokke Ag Conrad Hydraulische Presse
US3069742A (en) * 1956-07-21 1962-12-25 Walchhuetter Ulrico Electric and electronic circuits for controlling friction presses
GB889489A (en) * 1959-04-15 1962-02-14 Nat Res Dev Improvements in and relating to operation of hydraulic presses
IT690204B (de) * 1963-03-27 1965-04-14
DE1627843A1 (de) * 1967-09-30 1970-10-29 Hasenclever Ag Maschf Hydraulische Umformmaschine,insbesondere hydraulische Presse
DE1752721A1 (de) * 1968-07-05 1971-05-19 Luther Werke Hydraulischer Antrieb fuer Pressen und Scheren
US3608435A (en) * 1969-06-30 1971-09-28 Parker Hannifin Corp Pressure controlled directional system
ES406212A1 (es) * 1971-09-02 1976-01-16 Walchhutter Mejoras introducidas en las prensas destinadas especialmen-te para la produccion de materiales ceramicos y refracta- rios.
US4363612A (en) * 1979-03-29 1982-12-14 Ulrich Walchhutter Flywheel and screw press for producing ceramic articles
SE437861B (sv) * 1983-02-03 1985-03-18 Goran Palmers Anordning vid medelst hydraul-cylinder drivna maskiner med en av en drivkella via en energiackumulatordriven pump
US4524582A (en) * 1983-03-31 1985-06-25 Cincinnati Incorporated Control system for hydraulic presses
DE3707714A1 (de) * 1987-03-11 1988-09-22 Basf Ag Verfahren zur herstellung hochfester und hochtemperaturbestaendiger porenfreier keramischer formteile aus siliziumcarbid

Also Published As

Publication number Publication date
WO1989011969A1 (en) 1989-12-14
US5158723A (en) 1992-10-27
DE68917303D1 (de) 1994-09-08
EP0594217B1 (de) 1996-12-27
DE68917303T2 (de) 1995-04-06
EP0422041B1 (de) 1994-08-03
BR8907481A (pt) 1991-05-28
EP0594217A1 (de) 1994-04-27
JPH03504941A (ja) 1991-10-31
DE68927592D1 (de) 1997-02-06
AU3757489A (en) 1990-01-05
EP0422041A1 (de) 1991-04-17
ATE109399T1 (de) 1994-08-15
DE68927592T2 (de) 1997-05-28

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties