JPS57109571A - Dc welding device - Google Patents
Dc welding deviceInfo
- Publication number
- JPS57109571A JPS57109571A JP18661480A JP18661480A JPS57109571A JP S57109571 A JPS57109571 A JP S57109571A JP 18661480 A JP18661480 A JP 18661480A JP 18661480 A JP18661480 A JP 18661480A JP S57109571 A JPS57109571 A JP S57109571A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- wire material
- during
- output
- circuit
- 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.)
- Pending
Links
- 238000003466 welding Methods 0.000 title abstract 2
- 239000000463 material Substances 0.000 abstract 3
- 239000004065 semiconductor Substances 0.000 abstract 2
Landscapes
- Arc Welding Control (AREA)
Abstract
PURPOSE: To produce a Dc welding device which injects a wire material in spherical shapes with a small size at a low cost by interrupting the DC voltage supplied to a control circuit intermittently by using a timer circuit and a semiconductor switching element.
CONSTITUTION: During the period when a timer circuit 60 generates an output "1", a semiconductor switching element 56 is conductive, and depending upon whether the DC voltage of an AC-DC converter 50 for signal supplied through this is larger or smaller than reference voltage, an electric discharge time constant is changed over to CR1 or OR2, whereby the voltage formed between output terminals 42 and 43 is controlled to the constant voltage of a value smaller than the max. voltage. During this time, a wire material assumes a spherical shape. During the time when the circuit 60 generates an output "0" the element 56 is nonconductive, and the charging time constant of a control circuit 54 is fixed at CR1 and the voltage formed between the output terminals 42 and 43 is controlled to the max. voltage, so that the wire material made into a spherical shape is injected.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18661480A JPS57109571A (en) | 1980-12-27 | 1980-12-27 | Dc welding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18661480A JPS57109571A (en) | 1980-12-27 | 1980-12-27 | Dc welding device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57109571A true JPS57109571A (en) | 1982-07-08 |
Family
ID=16191652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18661480A Pending JPS57109571A (en) | 1980-12-27 | 1980-12-27 | Dc welding device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57109571A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06234072A (en) * | 1993-01-04 | 1994-08-23 | Lincoln Electric Co:The | Inverter power supply for welding |
-
1980
- 1980-12-27 JP JP18661480A patent/JPS57109571A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06234072A (en) * | 1993-01-04 | 1994-08-23 | Lincoln Electric Co:The | Inverter power supply for welding |
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