GB1373919A - Hydraulic presses - Google Patents

Hydraulic presses

Info

Publication number
GB1373919A
GB1373919A GB5966271A GB5966271A GB1373919A GB 1373919 A GB1373919 A GB 1373919A GB 5966271 A GB5966271 A GB 5966271A GB 5966271 A GB5966271 A GB 5966271A GB 1373919 A GB1373919 A GB 1373919A
Authority
GB
United Kingdom
Prior art keywords
ram
hydraulic presses
dec
central portion
press
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
GB5966271A
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.)
Amada Co Ltd
Original Assignee
Amada Co Ltd
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 Amada Co Ltd filed Critical Amada Co Ltd
Publication of GB1373919A publication Critical patent/GB1373919A/en
Expired legal-status Critical Current

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
    • B30B15/007—Means for maintaining the press table, the press platen or the press ram against tilting or deflection
    • 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
    • B21D5/0272—Deflection compensating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Presses (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

1373919 Press-brakes AMADA CO Ltd 22 Dec 1971 [25 Dec 1970] 59662/71 Heading B3E [Also in Division B5] In an hydraulic press in which hydraulic cylinders 33, 35 are provided at the ends of a ram 17 to move the ram against a die mounted at its ends in a frame 9, hydraulic cylinders 11, 13, and 15 connected to a reducing valve 25 deflects the central portion of the die to follow the warping of the central portion of the ram.
GB5966271A 1970-12-25 1971-12-22 Hydraulic presses Expired GB1373919A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11768570 1970-12-25

Publications (1)

Publication Number Publication Date
GB1373919A true GB1373919A (en) 1974-11-13

Family

ID=14717743

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5966271A Expired GB1373919A (en) 1970-12-25 1971-12-22 Hydraulic presses

Country Status (3)

Country Link
DE (1) DE2163473C3 (en)
GB (1) GB1373919A (en)
IT (1) IT951719B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013072859A1 (en) * 2011-11-15 2013-05-23 Adira, S.A. Beam for deformation compensation in press brakes

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT968136B (en) * 1972-09-14 1974-03-20 Piccini G AUTOCENTI NATURA HYDRAULIC DEVICE FOR PRESSING PRESSES SUCH AS BENDING PRESSES AND SIMILAR
FR2347992A1 (en) * 1976-04-13 1977-11-10 Promecan Sisson Lehmann PRESS BRAKE OR SIMILAR MACHINE
FR2942983B1 (en) * 2009-03-13 2011-04-08 Amada Europ PRESS BRAKE FOR FOLDING SHEETS
AT523965B1 (en) * 2020-07-09 2023-08-15 Trumpf Maschinen Austria Gmbh & Co Kg Bending device with deflection compensation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013072859A1 (en) * 2011-11-15 2013-05-23 Adira, S.A. Beam for deformation compensation in press brakes

Also Published As

Publication number Publication date
DE2163473B2 (en) 1977-07-07
DE2163473A1 (en) 1972-07-13
DE2163473C3 (en) 1978-03-02
IT951719B (en) 1973-07-10

Similar Documents

Publication Publication Date Title
GB1121108A (en) Improvements in or relating to a press
GB1139189A (en) Press frame
GB1510591A (en) Toggle-operated press
CA1004418A (en) Metal chips, briquetting press with floating die, fixed anvil and movable ram
GB1373919A (en) Hydraulic presses
FR2086484A1 (en) Multi plunger speed pressure die casting plant
GB1361306A (en) Multiple-punch press
GB1415835A (en) Hydraulic presses
GB1443896A (en) Hydraulic presses
ES414342A1 (en) Fluid ram provided with means for braking the ram piston at the end of its stroke
ES388599A1 (en) Roller press
ES311703A1 (en) Improvements in presses with a hydraulic drive pressure hub. (Machine-translation by Google Translate, not legally binding)
GB1312477A (en) Hydraulic cylinder apparatus
GB1086477A (en) Improvements in and relating to hydraulic presses
GB1283901A (en) Hydraulic presses
GB1345236A (en) Forging press
GB1160889A (en) Improvements relating to Stamping and Other Presses
GB1112847A (en) Fluid operated presses
GB1307753A (en) Hydraulic press for panel-shaped workpieces
GB1332374A (en) Prestressed press frame
FR2112492A1 (en) Hydraulic forging press control appts - using a computer
GB1024238A (en) Improvements in or relating to straightening presses
ES472434A1 (en) An indirect extrusion press
GB411413A (en) Improvement in hydraulic presses
GB1487979A (en) Press-forming apparatus

Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years