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
Authority: EP; European Patent Office
Prior art keywords: press brake; force; increasing mechanism; crowning method; crowning
Prior art date: 2016-03-11
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

EP3427854B1 (en

EP3427854A1 (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.)

2016-03-11

Filing date

2017-03-03

Publication date

2019-03-27

2017-03-03 Application filed by Amada Holdings Co Ltd filed Critical Amada Holdings Co Ltd

2019-01-16 Publication of EP3427854A1 publication Critical patent/EP3427854A1/en

2019-03-27 Publication of EP3427854A4 publication Critical patent/EP3427854A4/en

2021-06-16 Application granted granted Critical

2021-06-16 Publication of EP3427854B1 publication Critical patent/EP3427854B1/en

Status Active legal-status Critical Current

2037-03-03 Anticipated expiration legal-status Critical

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

2017
- 2017-01-04 JP JP2017000111A patent/JP6175200B1/en active Active
- 2017-03-03 EP EP17763132.2A patent/EP3427854B1/en active Active
- 2017-03-03 WO PCT/JP2017/008581 patent/WO2017154792A1/en active Application Filing

Non-Patent Citations (1)

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

Also Published As

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

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2019-03-27	RIC1	Information provided on ipc code assigned before grant	Ipc: B21D 5/02 20060101AFI20190218BHEP Ipc: B30B 1/06 20060101ALI20190218BHEP Ipc: B30B 15/24 20060101ALI20190218BHEP Ipc: B30B 1/14 20060101ALI20190218BHEP
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