EP3427854A4 - Press brake crowning method using force-increasing mechanism, and press brake - Google Patents

Press brake crowning method using force-increasing mechanism, and press brake Download PDF

Info

Publication number
EP3427854A4
EP3427854A4 EP17763132.2A EP17763132A EP3427854A4 EP 3427854 A4 EP3427854 A4 EP 3427854A4 EP 17763132 A EP17763132 A EP 17763132A EP 3427854 A4 EP3427854 A4 EP 3427854A4
Authority
EP
European Patent Office
Prior art keywords
press brake
force
increasing mechanism
crowning method
crowning
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.)
Granted
Application number
EP17763132.2A
Other languages
German (de)
French (fr)
Other versions
EP3427854A1 (en
EP3427854B1 (en
Inventor
Taishi Suzuki
Makoto Aoki
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 Holdings 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 Holdings Co Ltd filed Critical Amada Holdings Co Ltd
Publication of EP3427854A1 publication Critical patent/EP3427854A1/en
Publication of EP3427854A4 publication Critical patent/EP3427854A4/en
Application granted granted Critical
Publication of EP3427854B1 publication Critical patent/EP3427854B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B30B15/24—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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/02—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by lever mechanism
    • B30B1/06—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by lever mechanism operated by cams, eccentrics, or cranks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/10—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism
    • B30B1/14—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism operated by cams, eccentrics, or cranks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Press Drives And Press Lines (AREA)
EP17763132.2A 2016-03-11 2017-03-03 Press brake using force-increasing mechanism Active EP3427854B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016047798 2016-03-11
JP2017000111A JP6175200B1 (en) 2016-03-11 2017-01-04 Press brake crowning method and press brake
PCT/JP2017/008581 WO2017154792A1 (en) 2016-03-11 2017-03-03 Press brake crowning method using force-increasing mechanism, and press brake

Publications (3)

Publication Number Publication Date
EP3427854A1 EP3427854A1 (en) 2019-01-16
EP3427854A4 true EP3427854A4 (en) 2019-03-27
EP3427854B1 EP3427854B1 (en) 2021-06-16

Family

ID=59505301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17763132.2A Active EP3427854B1 (en) 2016-03-11 2017-03-03 Press brake using force-increasing mechanism

Country Status (3)

Country Link
EP (1) EP3427854B1 (en)
JP (1) JP6175200B1 (en)
WO (1) WO2017154792A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108608480B (en) * 2018-04-13 2024-02-23 浙江奥星工贸有限公司 Beam lifting mechanism and lifting method of cutting machine
CN109848263B (en) * 2019-01-29 2024-04-05 廊坊中德汽车座椅制造有限公司 U-shaped headrest framework bending machine for automobile seat

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08129938A (en) * 1994-09-08 1996-05-21 Chubu Electric Power Co Inc Electrically-driven switch operating mechanism of power switch equipment
JP2927192B2 (en) * 1994-10-03 1999-07-28 村田機械株式会社 Punch drive
JP6457805B2 (en) * 2014-02-27 2019-01-23 株式会社アマダホールディングス Bending machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
JP6175200B1 (en) 2017-08-02
EP3427854A1 (en) 2019-01-16
EP3427854B1 (en) 2021-06-16
WO2017154792A1 (en) 2017-09-14
JP2017164809A (en) 2017-09-21

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