BE877621A - Dispositif sur des presses hydrauliques et des presses a plier - Google Patents

Dispositif sur des presses hydrauliques et des presses a plier

Info

Publication number: BE877621A
Authority: BE; Belgium
Prior art keywords: presses; bending; hydraulic; hydraulic presses; bending presses
Prior art date: 1978-07-11

Application number

BE2/57944A

Other languages

English (en)

French (fr)

Inventor

De Almeida A Ribeiro

Original Assignee

Inter Hydraulik G M B H

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.)

1978-07-11

Filing date

1979-07-11

Publication date

1979-11-05

1979-07-11 Application filed by Inter Hydraulik G M B H filed Critical Inter Hydraulik G M B H

1979-11-05 Publication of BE877621A publication Critical patent/BE877621A/xx

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/22—Synchronisation of the movement of two or more servomotors
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- 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
- B30B15/24—Control arrangements for fluid-driven presses controlling the movement of a plurality of actuating members to maintain parallel movement of the platen or press beam

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
General Engineering & Computer Science (AREA)
Control Of Presses (AREA)
Bending Of Plates, Rods, And Pipes (AREA)

BE2/57944A 1978-07-11 1979-07-11 Dispositif sur des presses hydrauliques et des presses a plier BE877621A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PT68274A PT68274A (en)	1978-07-11	1978-07-11	Device applicable to presses and metal bending presses to syncronize the movements of the hydraulic cylinders and control slider cross member

Publications (1)

Publication Number	Publication Date
BE877621A true BE877621A (fr)	1979-11-05

Family

ID=20082297

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE2/57944A BE877621A (fr)	1978-07-11	1979-07-11	Dispositif sur des presses hydrauliques et des presses a plier

Country Status (8)

Country	Link
US (1)	US4343226A (it)
BE (1)	BE877621A (it)
CH (1)	CH647975A5 (it)
DE (1)	DE2926964C2 (it)
FR (1)	FR2430842A1 (it)
GB (1)	GB2026616B (it)
IT (1)	IT1120157B (it)
PT (1)	PT68274A (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4622884A (en) *	1981-04-10	1986-11-18	Buchl Andrew F	Floating piston depth control apparatus
DE3222051C2 (de) *	1982-06-11	1984-10-11	Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum	Hydraulische Steuerung
DE3222672C1 (de) *	1982-06-16	1984-01-19	MTU Motoren- und Turbinen-Union München GmbH, 8000 München	Einrichtung zum Verstellen von Schubumkehrern
DE3318641A1 (de) *	1982-12-22	1984-06-28	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	Einrichtung zur steuerung der schiebekappenzylinder hydraulischer schreitausbaueinheiten
FR2576059A2 (fr) *	1982-12-22	1986-07-18	Gewerk Eisenhuette Westfalia	Dispositif de commande des verins de chapeaux coulissants d'unites de soutenements marchants hydrauliques
US4585172A (en) *	1983-10-07	1986-04-29	The Garrett Corporation	Hydraulic actuation
US4892028A (en) *	1984-09-10	1990-01-09	Vbm Corporation	Fluid operated circuit for controlling a dual post hydraulic lift assembly
DE3518162C1 (de) *	1985-05-21	1986-04-24	Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum	Vorrichtung zur UEberwachung des Gleichlaufs eines Rueckzylinders und eines Kappen-Schiebezylinders
DE3607655A1 (de) *	1986-03-08	1987-09-10	Skf Gmbh	Hydraulisch betaetigte vorrichtung
US4955282A (en) *	1989-03-27	1990-09-11	Ranson Ronald W	Uniform flow hydraulic system
CH683162A5 (fr) *	1990-04-25	1994-01-31	Bobst Sa	Procédé d'asservissement du parallélisme des deux sommiers d'une presse à découper des éléments en forme de feuille ou bande en vue de la production d'emballages.
US5511459A (en) *	1994-03-24	1996-04-30	Hanser; Stacy M.	Apparatus for synchronizing linear actuator movement
DE19754883C2 (de) *	1997-12-10	2002-02-07	Hyco Pacoma Gmbh	Hydraulische Gleichlaufschaltung mit mindestens einem Hauptzylinder und mindestens einem Folgezylinder
US6408736B1 (en) *	1999-07-13	2002-06-25	Welker Bearing Company	Synchronizing cylinder assembly with equal displacement hydraulic cylinder
US20080155975A1 (en) *	2006-12-28	2008-07-03	Caterpillar Inc.	Hydraulic system with energy recovery
CN100482953C (zh) *	2007-09-26	2009-04-29	中南大学	巨型液压机同步平衡液压回路
US8920145B2 (en)	2010-11-29	2014-12-30	Gta Innovation, Llc	Synchronized hydraulic power module
US8746128B2 (en) *	2011-03-01	2014-06-10	Tonand Brakes Inc.	Variable displacement piston-in-piston hydraulic unit
CN102649138A (zh) *	2012-05-07	2012-08-29	南通恒力重工机械有限公司	锻压设备的上下辊液压驱动控制回路
CN104998933B (zh) *	2015-07-14	2016-11-30	绍兴市安雅信自动化技术有限公司	一种双机联动扭轴折弯机控制方法
DE102016205973A1 (de) *	2016-04-11	2017-10-12	Sms Group Gmbh	Hydraulikzylinder

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US513493A (en) *		1894-01-30		Steam-engine
DE1426485U (it) *
US2346254A (en) *	1941-12-01	1944-04-11	Hydraulic Dev Corp Inc	Pump stroke varying structure
US2565639A (en) *	1945-01-22	1951-08-28	Hpm Dev Corp	Platen leveling multiple ram press
CH270636A (de) *	1947-04-09	1950-09-15	Joos Karl	Hydraulische Presse mit mehreren Zylindern.
US2519900A (en) *	1948-12-10	1950-08-22	Hpm Dev Corp	Control circuit for multiple hydraulic press systems
FR1018161A (fr) *	1950-05-17	1952-12-29		Dispositif hydraulique d'équilibrage
DE977475C (de) *	1951-05-06	1966-08-04	Eisengiesserei	Gleichlaufsteuerung an hydraulischen Mehrzylinderpressen, insbesondere Zweizylinder-Abkantpressen
DE1012181B (de) *	1952-10-25	1957-07-11	Conrad Zschokke Zweigniederlas	Gleichlaufsteuerung fuer hydraulische Mehrzylinderpressen
CH336263A (de) *	1955-11-30	1959-02-15	Zschokke Ag Conrad	Hydraulische Presse
US2940262A (en) *	1958-06-13	1960-06-14	Addison T Smith	Hydraulic cross-regenerative circuit
US3059431A (en) *	1960-12-20	1962-10-23	Niagara Machine & Tool Works	Hydraulic power transmission systems for press brakes and like machines
GB1035816A (en) *	1962-03-23	1966-07-13	British United Shoe Machinery	Improvements in or relating to presses
US3143924A (en) *	1962-07-17	1964-08-11	Pacific Ind Mfg Co	Control means for series connected cylinder drive assemblies
US3186305A (en) *	1963-07-02	1965-06-01	Ex Cell O Corp	Hydraulic actuator mechanism
SE309401B (it) *	1965-06-10	1969-03-24	Ursvikens Mek Verk
US3349669A (en) *	1966-04-20	1967-10-31	Rolland A Richardson	Ram attitude control system
FR1539817A (fr) *	1967-07-26	1968-09-20	Promecam Sisson Lehmann Soc	Machine hydraulique pour la déformation de métaux en feuilles

1978
- 1978-07-11 PT PT68274A patent/PT68274A/pt unknown
1979
- 1979-07-04 DE DE2926964A patent/DE2926964C2/de not_active Expired
- 1979-07-10 US US06/056,254 patent/US4343226A/en not_active Expired - Lifetime
- 1979-07-10 CH CH6400/79A patent/CH647975A5/de not_active IP Right Cessation
- 1979-07-11 IT IT02922/79A patent/IT1120157B/it active
- 1979-07-11 GB GB7924209A patent/GB2026616B/en not_active Expired
- 1979-07-11 BE BE2/57944A patent/BE877621A/xx not_active IP Right Cessation
- 1979-07-11 FR FR7918509A patent/FR2430842A1/fr active Granted

Also Published As

Publication number	Publication date
GB2026616A (en)	1980-02-06
FR2430842B1 (it)	1983-11-04
DE2926964A1 (de)	1980-01-31
PT68274A (en)	1978-08-01
IT1120157B (it)	1986-03-19
DE2926964C2 (de)	1983-05-19
US4343226A (en)	1982-08-10
FR2430842A1 (fr)	1980-02-08
CH647975A5 (de)	1985-02-28
IT7902922A0 (it)	1979-07-11
GB2026616B (en)	1982-09-08

Publication	Publication Date	Title
BE877621A (fr)	1979-11-05	Dispositif sur des presses hydrauliques et des presses a plier
BE874267A (fr)	1979-06-18	Dispositif a percussion
DK376679A (da)	1980-03-12	Inhaleringsapparat
BE873976A (fr)	1979-05-29	Dispositif a ajutage
HK69783A (en)	1983-12-23	A load-transfer device
BE873839A (fr)	1979-05-16	Dispositif de vissage hydraulique
IT1122577B (it)	1986-04-23	Pressa a trasferimento
ES251107Y (es)	1981-03-16	Un dispositivo de acoplamiento perfeccionado
JPS54126366A (en)	1979-10-01	Sheet transfer method and its device
FR2314782A1 (fr)	1977-01-14	Dispositif de butees pour presse a plier
JPS5591617A (en)	1980-07-11	Punch device
RO77259A (ro)	1981-08-17	Dispozitiv de retinere si de zavorire a suportului rotii de rezerva
FR2331525A1 (fr)	1977-06-10	Dispositif de bombage de vitrages a l'aide de presses
BE880746A (fr)	1980-04-16	Dispositif a valve
ES487082A0 (es)	1980-12-16	Un dispositivo de transferencia de cargas
NL7904756A (nl)	1979-12-28	Inrichting die portiegewijs en peristaltisch werkt.
AR224626A1 (es)	1981-12-30	Un dispositivo transductor de desplazamiento
HK10983A (en)	1983-03-24	A portable keyboard device
ES485147A0 (es)	1980-12-01	Dispositivo para transferir movimientos en un plano a movi- mientos en otro plano esencialmente de troquelado y prensado
IT1108649B (it)	1985-12-09	Dispositivo di stampa a punti
IT7921616A0 (it)	1979-04-05	Dispositivo in un impianto di colata continua.
BE882552A (fr)	1980-07-16	Dispositif a dessiner
IT1092572B (it)	1985-07-12	Pressa oleodinamica a tranciare
BE882553A (fr)	1980-07-16	Dispositif a dessiner
IT7850320A0 (it)	1978-07-14	Dispositivo a rullo di stampaggio a rilievo

Legal Events

Date	Code	Title	Description
1988-01-31	RE	Patent lapsed	Owner name: LVD CY Effective date: 19870731

Date

Code

Title

Description

1988-01-31

Patent lapsed

Owner name: LVD CY

Effective date: 19870731