WO2008137371A3 - Welding system and method with improved waveform - Google Patents
Welding system and method with improved waveform Download PDFInfo
- Publication number
- WO2008137371A3 WO2008137371A3 PCT/US2008/061705 US2008061705W WO2008137371A3 WO 2008137371 A3 WO2008137371 A3 WO 2008137371A3 US 2008061705 W US2008061705 W US 2008061705W WO 2008137371 A3 WO2008137371 A3 WO 2008137371A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- welding
- welding system
- short circuit
- current
- welding electrode
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
- B23K9/091—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits
- B23K9/092—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits characterised by the shape of the pulses produced
Abstract
Provided is a welding system and method for controlling a welding system with an improved waveform. In accordance with one aspect of the present invention, a welding system waveform is calibrated such that the welding transfer regularly occurs during short circuits, comprising applying a voltage and a current to a welding electrode, applying an increased voltage and an increased current to the welding electrode, increasing the current to the welding electrode when a short circuit is detected, and maintaining the increased current applied to the welding electrode until a desired time expires after the short circuit is detected or until the short circuit clears, whichever occurs first.
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6613807P | 2007-04-30 | 2007-04-30 | |
US79682407A | 2007-04-30 | 2007-04-30 | |
US11/796,824 | 2007-04-30 | ||
US61/066,138 | 2007-04-30 | ||
US12/108,265 US20080264917A1 (en) | 2007-04-30 | 2008-04-23 | Metal core welding wire pulsed welding system and method |
US12/108,227 US20080264923A1 (en) | 2007-04-30 | 2008-04-23 | Welding system and method with improved waveform |
US12/108,265 | 2008-04-23 | ||
US12/108,227 | 2008-04-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008137371A2 WO2008137371A2 (en) | 2008-11-13 |
WO2008137371A3 true WO2008137371A3 (en) | 2008-12-24 |
Family
ID=39855255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2008/061705 WO2008137371A2 (en) | 2007-04-30 | 2008-04-28 | Welding system and method with improved waveform |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2008137371A2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT508146B1 (en) | 2009-08-10 | 2010-11-15 | Fronius Int Gmbh | METHOD FOR DISCONNECTING A SHORT CIRCUIT FOR SHORT ARC WELDING AND WELDING DEVICE FOR SHORT ARC WELDING |
EP2576119B1 (en) | 2010-05-28 | 2015-08-05 | Esab AB | Short arc welding system |
US10857610B2 (en) | 2015-08-18 | 2020-12-08 | Illinois Tool Works Inc. | Method and apparatus for pulse welding |
US11285559B2 (en) | 2015-11-30 | 2022-03-29 | Illinois Tool Works Inc. | Welding system and method for shielded welding wires |
CN110912418B (en) * | 2019-11-25 | 2021-01-15 | 中冶京诚工程技术有限公司 | Electric arc power supply system and electric arc power supply based on strong excitation trapezoidal wave signal |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1188027A (en) * | 1967-06-28 | 1970-04-15 | Inst Elektroswarki Patona | A Method of Arc Welding with Alternating Current. |
WO1989007036A1 (en) * | 1988-02-05 | 1989-08-10 | Commonwealth Scientific And Industrial Research Or | Improved cored electrode wires |
WO1998050190A1 (en) * | 1997-05-05 | 1998-11-12 | Esab Ab | Method and apparatus for arc welding with melting electrode |
EP1036627A2 (en) * | 1999-03-16 | 2000-09-20 | Lincoln Global, Inc. | Method and apparatus for electric arc welding |
EP1384546A2 (en) * | 2002-07-23 | 2004-01-28 | Illinois Tool Works Inc. | Method of controlling a power supply for short circuit arc welding |
US20050211747A1 (en) * | 2004-03-23 | 2005-09-29 | Pei-Chung Wang | Metal transfer in arc welding |
EP1688203A2 (en) * | 2005-02-07 | 2006-08-09 | Lincoln Global, Inc. | Modular power source for electric arc welding with three stages: output chopper with first and second polarity and a welder including such chopper; MIG welding methods using such modular power source or such output chopper |
EP1710037A1 (en) * | 2005-04-05 | 2006-10-11 | Vermaat Technics B.V. | Apparatus and method for short-circuit arc welding |
EP1779957A2 (en) * | 2005-10-31 | 2007-05-02 | Lincoln Global, Inc. | Synergistic welding system |
-
2008
- 2008-04-28 WO PCT/US2008/061705 patent/WO2008137371A2/en active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1188027A (en) * | 1967-06-28 | 1970-04-15 | Inst Elektroswarki Patona | A Method of Arc Welding with Alternating Current. |
WO1989007036A1 (en) * | 1988-02-05 | 1989-08-10 | Commonwealth Scientific And Industrial Research Or | Improved cored electrode wires |
WO1998050190A1 (en) * | 1997-05-05 | 1998-11-12 | Esab Ab | Method and apparatus for arc welding with melting electrode |
EP1036627A2 (en) * | 1999-03-16 | 2000-09-20 | Lincoln Global, Inc. | Method and apparatus for electric arc welding |
EP1384546A2 (en) * | 2002-07-23 | 2004-01-28 | Illinois Tool Works Inc. | Method of controlling a power supply for short circuit arc welding |
US20050211747A1 (en) * | 2004-03-23 | 2005-09-29 | Pei-Chung Wang | Metal transfer in arc welding |
EP1688203A2 (en) * | 2005-02-07 | 2006-08-09 | Lincoln Global, Inc. | Modular power source for electric arc welding with three stages: output chopper with first and second polarity and a welder including such chopper; MIG welding methods using such modular power source or such output chopper |
EP1710037A1 (en) * | 2005-04-05 | 2006-10-11 | Vermaat Technics B.V. | Apparatus and method for short-circuit arc welding |
EP1779957A2 (en) * | 2005-10-31 | 2007-05-02 | Lincoln Global, Inc. | Synergistic welding system |
Also Published As
Publication number | Publication date |
---|---|
WO2008137371A2 (en) | 2008-11-13 |
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