production video
Technical Advantages
- Digital operation interface with dual knobsfor intuitive and versatile adjustment of welding parameters and functions.Full digital dual-CPU control technology combined with soft-switching IGBT inverter technology for superior welding performance.
- Customizable control softwareallows quick adaptation to special welding process requirements.
- Soft-switching IGBT full-bridge inverterwith dual closed-loop current-mode control (UC3846).
- Ultra-nanocrystalline core transformerwith high inverter frequency up to 20 kHz.
- Passive PFC (Power Factor Correction)technology ensures high power factor and wide input voltage range (320V–450V).
- Fully digital computer-controlled circuitryreduces wiring complexity and significantly enhances system reliability.
- Overcurrent & overtemperature protectionwith digital display for real-time monitoring of voltage/current.
- Arc voltage compensationensures stable operation even with unstable power grids.
- Two arc ignition modes: Scratch start & automatic retract start.
- Dual output characteristics (flat & drooping)for both thin and thick plates.
- Triple-function machine: Supports arc welding, submerged arc welding (SAW), and carbon arc gouging.
- 100% duty cycle for continuous heavy-duty operation.
- Compatible with various SAW tractors, featuring remote/local control.
- Pre-installed control interfacesfor seamless integration with automated welding systems.
Technical Parameter
| Model | SAW-630 | SAW-1000 | SAW-1250 |
| Voltage range (V) | 3Ph~380/415/440V±15% 50/60HZ | ||
| Rated input power (KVA) | 31.5 | 58 | 60 |
| Rated input current (A) | 47 | 90 | 94 |
| No-load voltage (V) | 75 | ||
| Working current range(A) | 50-630 | 60-1000 | 60-1250 |
| Thrust current range (A) | 30-360 | ||
| Arc lgnition current adjustment range (A) | 20-240 | 60-300 | 60-300 |
| Machine efficiency (%) | 90 | ||
| Power factor | 0.89 | ||
| Rated duty cycle (%) | 100 | ||
| Weld stick diameter (mm) | 2.0-6.0 | ||
| Weight (Kg) | 56 | 92 | 97 |
| External dimensions (mm) | 700*320*580 805*380*935 | ||
| Remark: 3~220V/415V/440V can be customized | |||
