JPS56139283A - Power source device for welding machine - Google Patents
Power source device for welding machineInfo
- Publication number
- JPS56139283A JPS56139283A JP4035480A JP4035480A JPS56139283A JP S56139283 A JPS56139283 A JP S56139283A JP 4035480 A JP4035480 A JP 4035480A JP 4035480 A JP4035480 A JP 4035480A JP S56139283 A JPS56139283 A JP S56139283A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- current
- insufficient
- thyristors
- switching 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.)
- Granted
Links
Landscapes
- Arc Welding Control (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
PURPOSE: To reduce the downtime of welding machines, by providing a means which causes the welding machine not to stop at the first insufficiency of welding current and the machine to stop when an insufficient condition is again detected in the next welding current.
CONSTITUTION: The program is started, and data is inputted and displayed on thyristors 2 and 3, and then the abnormality of switching circuit 20 is confirmed. Then, when the starting command is on, the welding gun 6 is pressurized and electric current is supplied to thyristors 2 and 3 to turn on the switching circuit 20. Welding gun 6 is maintained under pressured condition and the thyristor current flowing through switching circuit 20 composed of thyristors 2 and 3 is compared with the set value. When it is judged that the thyristor current is insufficient, detecting is performed and when the insufficiency of the current detected continuously at two times, a trouble disposal is performed. When the electric current is insufficient only at the first time, the pressuring operation of welding gun is performed and the is continued. In this way, when an insufficient condition occurs temporarily, the operation can be continued without stopping the whole equipment.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4035480A JPS56139283A (en) | 1980-03-31 | 1980-03-31 | Power source device for welding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4035480A JPS56139283A (en) | 1980-03-31 | 1980-03-31 | Power source device for welding machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56139283A true JPS56139283A (en) | 1981-10-30 |
JPS6161908B2 JPS6161908B2 (en) | 1986-12-27 |
Family
ID=12578289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4035480A Granted JPS56139283A (en) | 1980-03-31 | 1980-03-31 | Power source device for welding machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56139283A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5939483A (en) * | 1982-08-27 | 1984-03-03 | Toshiba Corp | Arithmetic device for using rate of electric current in resistance welding machine |
JPS6352776A (en) * | 1986-08-21 | 1988-03-05 | Toa Seiki Kk | Resistance welding machine |
JPS6384774A (en) * | 1986-09-26 | 1988-04-15 | Daihatsu Motor Co Ltd | Short circuit detector for secondary cable for welder |
-
1980
- 1980-03-31 JP JP4035480A patent/JPS56139283A/en active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5939483A (en) * | 1982-08-27 | 1984-03-03 | Toshiba Corp | Arithmetic device for using rate of electric current in resistance welding machine |
JPH0253155B2 (en) * | 1982-08-27 | 1990-11-15 | Tokyo Shibaura Electric Co | |
JPS6352776A (en) * | 1986-08-21 | 1988-03-05 | Toa Seiki Kk | Resistance welding machine |
JPH0247313B2 (en) * | 1986-08-21 | 1990-10-19 | Nasu Tooa Kk | |
JPS6384774A (en) * | 1986-09-26 | 1988-04-15 | Daihatsu Motor Co Ltd | Short circuit detector for secondary cable for welder |
JPH0411314B2 (en) * | 1986-09-26 | 1992-02-28 |
Also Published As
Publication number | Publication date |
---|---|
JPS6161908B2 (en) | 1986-12-27 |
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