CA2235817C - Automatic tracking process of the joint bevel for the butt welding of pipes and equipment for the embodiment of the process - Google Patents
Automatic tracking process of the joint bevel for the butt welding of pipes and equipment for the embodiment of the process Download PDFInfo
- Publication number
- CA2235817C CA2235817C CA002235817A CA2235817A CA2235817C CA 2235817 C CA2235817 C CA 2235817C CA 002235817 A CA002235817 A CA 002235817A CA 2235817 A CA2235817 A CA 2235817A CA 2235817 C CA2235817 C CA 2235817C
- Authority
- CA
- Canada
- Prior art keywords
- welding
- electrical parameter
- welding torch
- voltage
- current
- 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 - Fee Related
Links
- 238000003466 welding Methods 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000033001 locomotion Effects 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 abstract description 12
- 230000004927 fusion Effects 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 4
- 230000010355 oscillation Effects 0.000 description 13
- 239000002184 metal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 101100126168 Escherichia coli (strain K12) intE gene Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/0216—Seam profiling, e.g. weaving, multilayer
-
- 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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
- B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
- B23K9/0286—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections with an electrode moving around the fixed tube during the welding operation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI97A001511 | 1997-06-26 | ||
| IT97MI001511A IT1292205B1 (it) | 1997-06-26 | 1997-06-26 | Procedimento di inseguimento automatico del cianfrino per la saldatura di testa di tubi e apparecchiatura per la realizzazione |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2235817A1 CA2235817A1 (en) | 1998-12-26 |
| CA2235817C true CA2235817C (en) | 2003-08-26 |
Family
ID=11377444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002235817A Expired - Fee Related CA2235817C (en) | 1997-06-26 | 1998-05-26 | Automatic tracking process of the joint bevel for the butt welding of pipes and equipment for the embodiment of the process |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6124566A (enEXAMPLES) |
| EP (1) | EP0887139B1 (enEXAMPLES) |
| AU (1) | AU728367B2 (enEXAMPLES) |
| BR (1) | BR9802213A (enEXAMPLES) |
| CA (1) | CA2235817C (enEXAMPLES) |
| DE (1) | DE69814237T2 (enEXAMPLES) |
| DK (1) | DK0887139T3 (enEXAMPLES) |
| ES (1) | ES2199407T3 (enEXAMPLES) |
| IT (1) | IT1292205B1 (enEXAMPLES) |
| NO (1) | NO317409B1 (enEXAMPLES) |
| NZ (1) | NZ330519A (enEXAMPLES) |
| PT (1) | PT887139E (enEXAMPLES) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9828727D0 (en) | 1998-12-24 | 1999-02-17 | Saipem Spa | Apparatus and method for welding pipes together |
| GB2345016B (en) | 1998-12-24 | 2003-04-02 | Saipem Spa | Method and apparatus for welding pipes together |
| ES2242408T3 (es) | 1999-07-21 | 2005-11-01 | Saipem S.P.A. | Mejoras relativas al tendido de tuberias submarinas.. |
| US6518545B1 (en) * | 2000-02-25 | 2003-02-11 | Serimer Dasa | Welding arc penetrating power real-time detection system |
| CA2302106A1 (en) * | 2000-03-24 | 2001-09-24 | Shaw Industries Ltd. | Measurement of pipe joint misalignment at weld interface |
| CA2421847C (en) | 2000-10-24 | 2009-04-21 | Saipem, S.P.A. | Method and apparatus for welding pipes together |
| GB2373750A (en) | 2001-03-27 | 2002-10-02 | Saipem Spa | Welding pipe-in-pipe pipelines |
| CN104907677A (zh) * | 2015-06-10 | 2015-09-16 | 华电郑州机械设计研究院有限公司 | 一种烟囱钢内筒的自动二氧化碳气体保护焊工艺 |
| CN109483011B (zh) * | 2018-12-05 | 2020-09-18 | 江门市新会区泓安家居用品有限公司 | 一种用于工业生产的智能化电焊装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3922517A (en) * | 1972-06-29 | 1975-11-25 | Crc Crose Int Inc | Welding method and apparatus |
| GB1517481A (en) * | 1975-07-14 | 1978-07-12 | Matsushita Electric Industrial Co Ltd | Follow-up control apparatus for controlling the movement of a welding weaving device |
| US4380695A (en) * | 1976-07-06 | 1983-04-19 | Crutcher Resources Corporation | Control of torch position and travel in automatic welding |
| US4151395A (en) * | 1976-07-06 | 1979-04-24 | CRC-Crose, International, Inc. | Method and apparatus for electric arc and analogous welding under precision control |
| JPS5330947A (en) * | 1976-09-03 | 1978-03-23 | Hitachi Ltd | Method of controlling remoteecontrolled automatic welder |
| JPS5853375A (ja) * | 1981-09-24 | 1983-03-29 | Kobe Steel Ltd | 消耗電極式ア−ク溶接方法 |
| US4495400A (en) * | 1982-04-26 | 1985-01-22 | Crutcher Resources Corporation | Method and apparatus for positioning a welding torch in automatic electric welding |
| JPS59191575A (ja) * | 1983-04-13 | 1984-10-30 | Mitsubishi Electric Corp | 溶接線追従装置 |
| JPS60255271A (ja) * | 1984-05-31 | 1985-12-16 | Nippon Kokan Kk <Nkk> | 多層溶接の制御方法 |
| JPS62118976A (ja) * | 1985-11-18 | 1987-05-30 | Nippon Steel Corp | 開先シ−ム倣い方法 |
| US5030812A (en) * | 1989-06-13 | 1991-07-09 | Nkk Corporation | Method for one-side root pass welding of a pipe joint |
-
1997
- 1997-06-26 IT IT97MI001511A patent/IT1292205B1/it active IP Right Grant
-
1998
- 1998-05-26 NZ NZ330519A patent/NZ330519A/xx unknown
- 1998-05-26 AU AU68092/98A patent/AU728367B2/en not_active Ceased
- 1998-05-26 DE DE69814237T patent/DE69814237T2/de not_active Expired - Fee Related
- 1998-05-26 CA CA002235817A patent/CA2235817C/en not_active Expired - Fee Related
- 1998-05-26 PT PT98201749T patent/PT887139E/pt unknown
- 1998-05-26 DK DK98201749T patent/DK0887139T3/da active
- 1998-05-26 EP EP98201749A patent/EP0887139B1/en not_active Expired - Lifetime
- 1998-05-26 ES ES98201749T patent/ES2199407T3/es not_active Expired - Lifetime
- 1998-06-01 US US09/087,913 patent/US6124566A/en not_active Expired - Lifetime
- 1998-06-03 NO NO982533A patent/NO317409B1/no not_active IP Right Cessation
- 1998-06-24 BR BR9802213A patent/BR9802213A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ITMI971511A0 (enEXAMPLES) | 1997-06-26 |
| ITMI971511A1 (it) | 1998-12-26 |
| DE69814237D1 (de) | 2003-06-12 |
| PT887139E (pt) | 2003-09-30 |
| EP0887139B1 (en) | 2003-05-07 |
| EP0887139A1 (en) | 1998-12-30 |
| DE69814237T2 (de) | 2004-04-01 |
| NO982533D0 (no) | 1998-06-03 |
| ES2199407T3 (es) | 2004-02-16 |
| AU6809298A (en) | 1999-01-07 |
| US6124566A (en) | 2000-09-26 |
| CA2235817A1 (en) | 1998-12-26 |
| NZ330519A (en) | 1998-10-28 |
| NO317409B1 (no) | 2004-10-25 |
| AU728367B2 (en) | 2001-01-11 |
| BR9802213A (pt) | 1999-06-08 |
| NO982533L (no) | 1998-12-28 |
| DK0887139T3 (da) | 2003-08-25 |
| IT1292205B1 (it) | 1999-01-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |