JPS57106475A - Pulse arc welding machine - Google Patents
Pulse arc welding machineInfo
- Publication number
- JPS57106475A JPS57106475A JP18452180A JP18452180A JPS57106475A JP S57106475 A JPS57106475 A JP S57106475A JP 18452180 A JP18452180 A JP 18452180A JP 18452180 A JP18452180 A JP 18452180A JP S57106475 A JPS57106475 A JP S57106475A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- signal
- pulse
- rectified
- smoothed
- 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 1
- 239000003990 capacitor Substances 0.000 abstract 2
- 239000010953 base metal Substances 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
Landscapes
- Arc Welding Control (AREA)
Abstract
PURPOSE: To make voltage constant and reduce spatters by comparing and amplifying the detection voltage for arc voltage and a reference signal, supplying pulse signals as a driving signal for a switching circuit and making the width and period of pulse current variable.
CONSTITUTION: A 3-phase AC power source 1 is dropped of voltage with a transformer 12, is rectified with a base current supplying and controlling rectifier 13, and is smoothed with a capacitor 14 so that base current is flowed between a wire 8 and base metals 11 via a diode 15. On the other hand, the dropped voltage is rectified with a rectifier 17, is smoothed with a capacitor 18, and is converted to pulse-like voltage with a switching circuit 19, so that pulses are supplied via a reactor 20 to the wire 8. The arc voltage is detected and the detected signal and a reference signal are compared with an amplifier 24, the differential voltage whereof is amplified and the output signal is inputted to a driving device 21. The signal from the device 21 drives the circuit 19, thereby changing the width and period of the pulse current.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18452180A JPS57106475A (en) | 1980-12-24 | 1980-12-24 | Pulse arc welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18452180A JPS57106475A (en) | 1980-12-24 | 1980-12-24 | Pulse arc welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57106475A true JPS57106475A (en) | 1982-07-02 |
Family
ID=16154649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18452180A Pending JPS57106475A (en) | 1980-12-24 | 1980-12-24 | Pulse arc welding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57106475A (en) |
-
1980
- 1980-12-24 JP JP18452180A patent/JPS57106475A/en active Pending
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