DE3467390D1 - Double-acting forging hammer and method - Google Patents

Double-acting forging hammer and method

Info

Publication number
DE3467390D1
DE3467390D1 DE8484900686T DE3467390T DE3467390D1 DE 3467390 D1 DE3467390 D1 DE 3467390D1 DE 8484900686 T DE8484900686 T DE 8484900686T DE 3467390 T DE3467390 T DE 3467390T DE 3467390 D1 DE3467390 D1 DE 3467390D1
Authority
DE
Germany
Prior art keywords
double
forging hammer
acting forging
acting
hammer
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
DE8484900686T
Other languages
English (en)
Inventor
Richard Hall
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.)
OILGEAR TOWLER Inc
Original Assignee
OILGEAR TOWLER Inc
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 OILGEAR TOWLER Inc filed Critical OILGEAR TOWLER Inc
Application granted granted Critical
Publication of DE3467390D1 publication Critical patent/DE3467390D1/de
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02—Placing by driving
    • E02D7/06—Power-driven drivers
    • E02D7/10—Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/20—Drives for hammers; Transmission means therefor
    • B21J7/22—Drives for hammers; Transmission means therefor for power hammers
    • B21J7/24—Drives for hammers; Transmission means therefor for power hammers operated by steam, air, or other gaseous pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/20—Drives for hammers; Transmission means therefor
    • B21J7/22—Drives for hammers; Transmission means therefor for power hammers
    • B21J7/28—Drives for hammers; Transmission means therefor for power hammers operated by hydraulic or liquid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B11/00—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forging (AREA)
DE8484900686T 1983-01-17 1984-01-12 Double-acting forging hammer and method Expired DE3467390D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/458,598 US4796428A (en) 1983-01-17 1983-01-17 Double-acting forging hammer and method
PCT/US1984/000047 WO1984002953A1 (en) 1983-01-17 1984-01-12 Double-acting forging hammer and method

Publications (1)

Publication Number Publication Date
DE3467390D1 true DE3467390D1 (en) 1987-12-17

Family

ID=23821398

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484900686T Expired DE3467390D1 (en) 1983-01-17 1984-01-12 Double-acting forging hammer and method

Country Status (5)

Country Link
US (1) US4796428A (de)
EP (1) EP0132438B1 (de)
JP (1) JPS60500207A (de)
DE (1) DE3467390D1 (de)
WO (1) WO1984002953A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2633339A1 (fr) * 1988-06-28 1989-12-29 Eimco Secoma Dispositif pour le controle du bon fonctionnement d'un accumulateur appartenant a un appareil ou circuit hydraulique
DE3913866A1 (de) * 1989-04-27 1990-10-31 Krupp Maschinentechnik Hydraulisches schlagwerk
JPH0790400B2 (ja) * 1989-10-18 1995-10-04 アイダエンジニアリング株式会社 プレスのダイクッション装置
JP2582003B2 (ja) * 1991-05-22 1997-02-19 本田技研工業株式会社 圧力機器用圧力源
WO1993002880A1 (en) * 1991-08-07 1993-02-18 Microhydraulics, Inc. Active suspension system
JPH08174299A (ja) * 1994-12-20 1996-07-09 Hirohisa Tanaka 油圧プレス装置のラム駆動用油圧シリンダの駆動制御方法
US5778669A (en) * 1994-12-21 1998-07-14 Kubik; Philip A. Hydraulic positioning system with internal counterbalance
CA2675497A1 (en) * 2009-08-18 2011-02-18 Tcb Welding And Construction Ltd. Switching assembly for a hydraulic pump jack
RU2505375C1 (ru) * 2012-10-19 2014-01-27 Общество с ограниченной ответственностью "Научно-производственное предприятие "Молот" ООО "НПП "Молот" Кузнечный молот с гидравлическим приводом
RU2538063C1 (ru) * 2013-07-02 2015-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ульяновский государственный педагогический университет имени И.Н. Ульянова" Шток ковочного молота
US10365669B2 (en) * 2015-09-18 2019-07-30 The Oilgear Company Systems and methods for fluid regulation
DE102015119946B4 (de) * 2015-11-18 2018-10-25 Schuler Pressen Gmbh Schmiedehammer

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2861486A (en) * 1955-05-13 1958-11-25 Langenstein & Schemann A G Hydraulically actuated drop hammer
US3043271A (en) * 1961-03-10 1962-07-10 Chambersburg Eng Co Control system for impact device
US3180129A (en) * 1961-10-19 1965-04-27 Eumuco Ag Fur Maschb Top-pressure forging hammer
US3142206A (en) * 1962-05-15 1964-07-28 Chambersburg Eng Co Control system for impact device
DE1294330B (de) * 1962-10-31 1969-05-08 Langenstein & Schemann Ag Gegenschlaghammer
US3237406A (en) * 1962-12-10 1966-03-01 Raymond Int Inc Hydraulic hammer
GB1109951A (en) * 1965-02-10 1968-04-18 Langenstein & Schemann Ag Hammers
US3464315A (en) * 1967-06-12 1969-09-02 Chambersburg Eng Co Mechanical pneumatic servo control system for high-speed impact devices
AT278477B (de) * 1967-10-16 1970-02-10 Langenstein & Schemann Ag Hydraulische Kopplung für Maschinen zur Umformung eines Werkstückes
AT272798B (de) * 1967-11-06 1969-07-25 Langenstein & Schemann Ag Hammer mit hydraulischer Kopplung
GB1234164A (de) * 1968-03-20 1971-06-03
GB1202673A (en) * 1968-04-05 1970-08-19 Alfred Fischbach Hydraulic supply systems
CS149914B2 (de) * 1969-06-28 1973-08-23
US3727519A (en) * 1970-09-17 1973-04-17 Langenstein & Schemann Ag Hammer with a ram control device
DE2132377C3 (de) * 1971-06-30 1975-07-03 Langenstein & Schemann Ag, 8630 Coburg Umformmaschine zum wahlweisen Pressen oder Schlagen
US3796050A (en) * 1972-05-18 1974-03-12 Foster Miller Ass High energy rate actuator
US3818799A (en) * 1972-10-30 1974-06-25 Chambersburg Eng Co Control system for an impact device
FR2251736B1 (de) * 1973-11-21 1977-06-10 Poclain Sa
US4012909A (en) * 1974-06-11 1977-03-22 Hibbard George A Hammer
US4020744A (en) * 1974-11-13 1977-05-03 Raymond International Inc. Control of hydraulically powered equipment
JPS5217329A (en) * 1975-07-31 1977-02-09 Toshiba Machine Co Ltd Die casting apparatus with gas and liquid pressure
US4052850A (en) * 1975-10-14 1977-10-11 Institute Of Gas Technology Thrust generator
AT350879B (de) * 1976-10-14 1979-06-25 Wefoba Gegenschlaghaemmermaschine
US4150603A (en) * 1977-09-06 1979-04-24 Joy Manufacturing Company Fluid operable hammer
US4335867A (en) * 1977-10-06 1982-06-22 Bihlmaier John A Pneumatic-hydraulic actuator system
US4131164A (en) * 1977-11-23 1978-12-26 Chambersburg Engineering Company Adaptive valve control system for an impact device
US4192456A (en) * 1978-08-21 1980-03-11 Harnischfeger Corporation Heating system for machine operator's cab
US4198820A (en) * 1978-08-21 1980-04-22 N L Industries, Inc. Pumping unit for a well pump
US4245492A (en) * 1979-01-22 1981-01-20 Chambersburg Engineering Company Hydraulic pneumatic synchronizing system for counter-blow impact forging hammers
DE2911901C2 (de) * 1979-03-27 1987-04-23 G. Siempelkamp Gmbh & Co, 4150 Krefeld Vorrichtung zum Biegen von Blechzuschnitten
US4263746A (en) * 1979-07-13 1981-04-28 Eller Harry J Reversing circuit for a powered closure

Also Published As

Publication number Publication date
EP0132438B1 (de) 1987-11-11
US4796428A (en) 1989-01-10
EP0132438A1 (de) 1985-02-06
WO1984002953A1 (en) 1984-08-02
JPS60500207A (ja) 1985-02-21
EP0132438A4 (de) 1985-06-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee