GB919966A - Improvements in alternating current arc welding systems - Google Patents
Improvements in alternating current arc welding systemsInfo
- Publication number
- GB919966A GB919966A GB1529158A GB1529158A GB919966A GB 919966 A GB919966 A GB 919966A GB 1529158 A GB1529158 A GB 1529158A GB 1529158 A GB1529158 A GB 1529158A GB 919966 A GB919966 A GB 919966A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contacts
- welding
- contactor
- workpiece
- relay
- 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
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
- B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
- B23K9/1006—Power supply
- B23K9/1012—Power supply characterised by parts of the process
- B23K9/1031—Reduction of the arc voltage beneath the arc striking value, e.g. to zero voltage, during non-welding periods
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
Abstract
919,966. Control systems for welding arcs. BRITISH OXYGEN CO. Ltd. May 12, 1959 [May 13, 1958], No. 15291/58. Class 38 (4). To avoid high voltages between working electrode 6 and workpiece 7 during non-welding periods, a relatively low voltage is supplied by an auxiliary transformer 2 having its primary winding 2a connected across the secondary winding 1b of the welding transformer 1 and its secondary winding 2b connected in a circuit which includes in series normally closed auxiliary contacts 4b of a welding contactor 4, the A.C. terminals of a bridge rectifier 11, the electrode 6 and workpiece 7. The operating coil of a delayed relay 9 is connected across the D.C. terminal of rectifier 11. A neon indicator lamp 8 connected across the normally open main contacts 4a of contactor 4, is illuminated only when these are open and the set is " safe." When electrode 6 touches workpiece 7 to commence welding, relay 9 becomes energized and closes its contacts 9a. Contactor 4 responds and closes the welding circuit at contacts 4a, thus enabling the full welding current (adjusted by reactance 5) to flow to the arc. Contacts 4b open just after closure of contacts 4a, but relay 9 remains held in by current supplied over contacts 4a and resistor 10. Specifications 769,433 and 803,534 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1529158A GB919966A (en) | 1958-05-13 | 1958-05-13 | Improvements in alternating current arc welding systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1529158A GB919966A (en) | 1958-05-13 | 1958-05-13 | Improvements in alternating current arc welding systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB919966A true GB919966A (en) | 1963-02-27 |
Family
ID=10056454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1529158A Expired GB919966A (en) | 1958-05-13 | 1958-05-13 | Improvements in alternating current arc welding systems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB919966A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843479A (en) * | 2021-10-14 | 2021-12-28 | 中国船舶重工集团公司第七一六研究所 | Energy-saving method and system for welding power supply |
-
1958
- 1958-05-13 GB GB1529158A patent/GB919966A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843479A (en) * | 2021-10-14 | 2021-12-28 | 中国船舶重工集团公司第七一六研究所 | Energy-saving method and system for welding power supply |
| CN113843479B (en) * | 2021-10-14 | 2023-09-26 | 中国船舶集团有限公司第七一六研究所 | Welding power supply energy saving method and system |
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