● Nitrogen Closed-loop Control:
Real-time of nitrogen concentration, PID closed-loop adjust nitrogen flow to achieve the stable PPM value and save the nitrogen consumption
● Increase Solder Stability:
By nitrogen protecting in order to improve the wetting of wave infiltration and enhance solder penetration rate to make sure the stability of quality.
● Reduce Solder Defect:
The tunnel-based entire nitrogen wave soldering can reduce solder defect and improve production efficiency with less oxygen content.
● Save Cost:
The closed preheating environment can reduce the power and the production of solder dross.
| MODEL | NXS-450 | |
| Wave Soldering Outside Dimension(L*W*H) | 5920×1620×1735mm | |
| Power Supply | 3P5W 380V AC 50/60Hz 160A （option: 3P5W 220V AC 50/60Hz 130A） | |
| Power demand | 75KW (Total Power * 1.5 Safety Factor) Hot Air | |
| Air | 0.5Mpa-0.8Mpa Air | |
| Total power | 60KW | |
| Operating power | 10-13KW | |
| Control mode | PC＋PLC | |
| Spray system | ||
| Spray Flow | 10~100ml/min | |
| Spray Pressure | 0.25Mpa～0.4Mpa | |
| Preheating System | ||
| Preheat mode | Hot Air/ IR For Option | |
| Speed regulation mode | Inverter | N/A |
| Preheat zones number | 3+3 | Option:Upper + lower preheating（MAX 4+4PCS） |
| Preheat zone length | 1950mm | Option:2250mm |
| Preheat temperature | Room Temperature ～250℃ | |
| Preheating temperature control mode | PID+SSR | |
| Welding system | ||
| Working mode of tin furnace | Mechanical Pump | |
| Power of heating tube of tin furnace | 1.5KW*14 | |
| Tin furnace capacity | Lead-free ：About 550KG | |
| MAX temp of tin furnace | MAX: 300℃ | |
| Limit service temp | MAX: 280℃ | |
| Wave driving power | 0.75kw×2 Servo Motor | |
| Wave height control | Closed-loop Servo Speed Regulation | |
| Warming up time | About 150 min（Set：250℃） | |
| Wave peak select | Spoiler + Flat or Spoiler + Spoiler (free choice) | |
| Wave height | 0-15mm | |
| PCB Conveyor System | ||
| PCB transmission speed | 0~1800mm/min | |
| Width range of PCB | 50-450mm/50-610mm | |
| PCB board length range | 120-600mm | |
| PCB board component height | Top 150mm | Bottom 25mm customized |
| PCB inlet transport height | 850±20mm | |
| Transport guide rail inclination | Factory ：5.5°±0.2°Not Adjustable | |
| Transmission motor power | 90w×3 Servo Motor | |
| Coveyor mode | Fragmnet Conveyor: Chain→Fingers (V+L/full V/full L)→Chain | |
| Speed regulation mode | Closed-loop Servo Speed Regulation | |
| Gas Parameters | ||
| pressure nitrogen source | 0.5～0.8MPa | |
| oxygen nitrogen source | ≤10PPM | |
| Nitrogen flowmeter | 7pcs | |
| Others | ||
| Cooling fan power | 380V AC 750W | |
| Exhaust pipe dimeter | Φ200mm | |
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