Nippon Avionics Co., Ltd.
Avio MCW-700/MCW-750 Resistance Welder Inverter
Manufacturer: Nippon Avionics Co., Ltd.
Model: MCW-700/MCW-750
Features of MCW-700/MCW-750
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High Speed Linear Control: allows consistent and precise welding
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Multiple Control Modes: constant current, voltage, and power.
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High Speed Welding: improves productivity (5 shots / sec)
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Pre-Weld Check Function: reduces process sparks
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Multiple Graphic Display: simultaneous view of V, I and W waveforms
* Linear control method:The high-speed linear control method achieves stable welding waveform with little switching noise.
Resistance Welding Specifications of MCW-700/MCW-750
| Item | MCW-700 | MCW-750 |
|---|---|---|
| Maximum Current | 500A | 1800A |
| Maximum Voltage | 2V | 4V |
| Constant Current Mode | 10 – 500A | 10 – 1800A |
| Constant Voltage Mode | 0.001 – 2.000V | 0.01 – 4.00V |
| Constant Power Mode | 10 – 500W | 10 – 3600W |
| Welding Time：UP | 0 – 999 × 0.01ms/0.1ms | |
| Welding Time : Weld | 0 – 999 × 0.01ms/0.1ms | |
| Welding Time : Down | 0 – 999 × 0.01ms/0.1ms | |
| Welding Time : Squeeze & Hold | 0.00 – 9.99s | |
| Pre-check | Resistant / Current | |
| Shot / Sec. | 5 shots/sec.（500W 2ms） | 5 shots / sec.（3600W 2ms） |
| Limit Monitoring Function | Average value/Peak value of current, voltage, and power | |
| Waveform Display | Current, voltage and power | |
| Number of Conditions | 15 | |
| Interface | RS-232C、I/O、Analog output | |
| Power Source | 1φ AC100 – 120V ±10% 50/60Hz(Options：1φ AC200 – 240V ±10%) | |
| Dimensions(mm) | W200 × D350 × H300（Excluding protrusions） | W200 × D350 × H400（Excluding protrusions） |
| Weight | ≒20kg | ≒27kg |
Resistance Welding Transformer Specifications
| Model | NT-IN4474 | NT-IN4436 | NT-IN4448 |
|---|---|---|---|
| Power Supply Voltage | 220V | ||
| Cooling Method | Air | Air | Dual Use of Air or Water |
| Frequency | 2kHz | ||
| Rated Capacity | 11kVA | 8.8kVA | 23kVA |
| Transformer Turns Ratio | 37：1 | 18：1 | 24：1 |
| No Load Secondary Voltage | 8.4V | 17.2V | 12.9V |
| Maximum Output Current | 4000A | ||
| Maximum Duty Cycle | 5% | 5% | 5%(Air)、10%(Water) |
| External Dimensions （mm） (Excluding Protrusions） |
W150×D337×H222 | W150×D267×H250 | W170×D312×H235 |
| Weight | ≒14kg | ≒14kg | ≒19kg |
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