KR100880244B1 - 에너지 분산이 감소된 고성능 굽힘장치 - Google Patents
에너지 분산이 감소된 고성능 굽힘장치 Download PDFInfo
- Publication number
- KR100880244B1 KR100880244B1 KR1020020061835A KR20020061835A KR100880244B1 KR 100880244 B1 KR100880244 B1 KR 100880244B1 KR 1020020061835 A KR1020020061835 A KR 1020020061835A KR 20020061835 A KR20020061835 A KR 20020061835A KR 100880244 B1 KR100880244 B1 KR 100880244B1
- Authority
- KR
- South Korea
- Prior art keywords
- hydraulic pump
- rotation angle
- pressure
- pump
- hydraulic
- Prior art date
Links
- 238000005452 bending Methods 0.000 title claims abstract description 30
- 239000006185 dispersion Substances 0.000 title 1
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 230000001939 inductive effect Effects 0.000 claims abstract 2
- 239000002184 metal Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
Images
Classifications
-
- 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
- B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Control Of Presses (AREA)
- Press Drives And Press Lines (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
Description
Claims (4)
- 유압 펌프(16)에 의해 제어되는 유압 작동기들(12, 15)에 의해 이동되는 굽힘 유니트(8)를 포함하는 금속 굽힘장치로서,상기 유압 펌프(16)는 전기 제어식 비례 밸브(25)를 포함하는 전자식 폐쇄 루프 유량, 압력 및 동력 제어 시스템을 구비한 가변 변위 펌프인 것을 특징으로 하는 굽힘장치.
- 제 1 항에 있어서,상기 전기 제어식 비례 밸브(25)는,상기 유압 펌프(16)의 회전각을 제어하기 위한 밸브 스풀(26)과,상기 유압 펌프(16)의 희망하는 회전각에 대응하는 위치로 상기 밸브 스풀(26)을 이동시키기 위한 비례 솔레노이드(27)를 포함하는 것을 특징으로 하는 굽힘장치.
- 제 2 항에 있어서,상기 제어 시스템은,상기 밸브 스풀(26)의 위치 검출을 위해 상기 밸브 스풀(26)과 연결된 유도 위치 변환기(35),상기 유압 펌프(16)의 회전각을 검출하기 위해 상기 유압 펌프(16)와 연결된 회전각 변환기(37),펌프 방출부의 압력 검출을 위해 상기 펌프 방출부 상에 배열된 압력 변환기(39), 및상기 변환기들(35, 37, 39)로부터의 위치, 회전각 및 압력 신호들과 미리 결정된 압력, 동력 및 유량 명령(30, 31, 32)을 받아 상기 비례 솔레노이드(27)로 제어 신호(28)를 공급하는 프로그램식 전자 제어 유니트(29)를 포함하는 것을 특징으로 하는 굽힘장치.
- 제 1 항에 있어서,상기 유압 펌프(16)에 의해 전달된 동력은, 동력 명령(31)에 따름으로써 조절 가능한 것을 특징으로 하는 굽힘장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2001-00006636 | 2001-10-11 | ||
JP2001006636U JP3085306U (ja) | 2001-10-11 | 2001-10-11 | 曲げ加工装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030030954A KR20030030954A (ko) | 2003-04-18 |
KR100880244B1 true KR100880244B1 (ko) | 2009-01-28 |
Family
ID=18874494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020061835A KR100880244B1 (ko) | 2001-10-11 | 2002-10-10 | 에너지 분산이 감소된 고성능 굽힘장치 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20030070463A1 (ko) |
EP (1) | EP1302252B1 (ko) |
JP (1) | JP3085306U (ko) |
KR (1) | KR100880244B1 (ko) |
AT (1) | ATE275009T1 (ko) |
CA (1) | CA2397422A1 (ko) |
DE (1) | DE60201114T2 (ko) |
ES (1) | ES2227392T3 (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1819457B1 (en) * | 2004-10-22 | 2009-02-18 | Finn-Power OY | Kinematic system for the displacement of working units of machines for bending and forming metallic sheets |
US8943936B2 (en) * | 2007-03-13 | 2015-02-03 | Moran BORENSTEIN | Method and apparatus for forming a sheet of foil |
JP4910097B2 (ja) | 2011-07-25 | 2012-04-04 | コージ産業株式会社 | 棚装置 |
ITMI20121583A1 (it) * | 2012-09-24 | 2014-03-25 | Salvagnini Italia Spa | Macchina pannellatrice a lama orientabile. |
ITMI20132219A1 (it) * | 2013-12-30 | 2015-07-01 | Cosma S R L | Macchina per la piegatura di lamiere |
AT515280B1 (de) | 2014-06-10 | 2015-08-15 | Trumpf Maschinen Austria Gmbh | Biegepresse mit Biegeeinheit sowie Verfahren zur Umformung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0293964A2 (en) * | 1987-06-03 | 1988-12-07 | SALVAGNINI S.p.A. | Bending machine for sheet metal panels having a blank holder with uniform compression |
EP0567193A1 (en) * | 1992-04-22 | 1993-10-27 | SAPIM AMADA S.p.A. | A device for moving the blades of a press used for bending sheets |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2645849A1 (de) * | 1976-10-11 | 1978-04-13 | Osterwalder Ag | Hydraulisch angetriebene presse |
DE3422089A1 (de) * | 1984-06-14 | 1985-12-19 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zum regeln des druckes und der foerdermenge einer verstellbaren pumpe |
US6375433B1 (en) * | 2000-07-07 | 2002-04-23 | Caterpillar Inc. | Method and apparatus for controlling pump discharge pressure of a variable displacement hydraulic pump |
-
2001
- 2001-10-11 JP JP2001006636U patent/JP3085306U/ja not_active Expired - Lifetime
-
2002
- 2002-08-09 CA CA002397422A patent/CA2397422A1/en not_active Abandoned
- 2002-10-04 DE DE60201114T patent/DE60201114T2/de not_active Expired - Lifetime
- 2002-10-04 AT AT02079123T patent/ATE275009T1/de not_active IP Right Cessation
- 2002-10-04 ES ES02079123T patent/ES2227392T3/es not_active Expired - Lifetime
- 2002-10-04 EP EP02079123A patent/EP1302252B1/en not_active Expired - Lifetime
- 2002-10-08 US US10/266,862 patent/US20030070463A1/en not_active Abandoned
- 2002-10-10 KR KR1020020061835A patent/KR100880244B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0293964A2 (en) * | 1987-06-03 | 1988-12-07 | SALVAGNINI S.p.A. | Bending machine for sheet metal panels having a blank holder with uniform compression |
EP0567193A1 (en) * | 1992-04-22 | 1993-10-27 | SAPIM AMADA S.p.A. | A device for moving the blades of a press used for bending sheets |
Also Published As
Publication number | Publication date |
---|---|
US20030070463A1 (en) | 2003-04-17 |
CA2397422A1 (en) | 2003-04-11 |
EP1302252A1 (en) | 2003-04-16 |
ATE275009T1 (de) | 2004-09-15 |
DE60201114D1 (de) | 2004-10-07 |
JP3085306U (ja) | 2002-04-26 |
EP1302252B1 (en) | 2004-09-01 |
KR20030030954A (ko) | 2003-04-18 |
ES2227392T3 (es) | 2005-04-01 |
DE60201114T2 (de) | 2005-09-01 |
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