Description:The anodized aluminium layer is grown by passing a direct current through an electrolytic solution, with the aluminium object serving as the anode (the positive electrode). The current releases hydrogen at the cathode (the negative electrode) and oxygen at the surface of the aluminium anode, creating a build-up of aluminium oxide. Alternating current and pulsed current is also possible but rarely used. The voltage required by various solutions may range from 1 to 300 V DC, although most fall in the range of 15 to 21 V. Higher voltages are typically required for thicker coatings formed in sulfuric and organic acid. The anodizing current varies with the area of aluminium being anodized and typically ranges from 30 to 300 A/m2.
Main technical data:
1. AC Input | ||
1.1 | Input AC phase | Three phase 5 line(A,B,C,N,G) |
1.2 | Input line voltage(V) | 380V+-10% |
1.3 | Input Frequency(Hz) | 50Hz |
2. DC Output | ||
2.1 | Rated Output | 8000A/20V |
2.2 | Output mode and range | Constant Current, 0-100% of rated value |
Constant Voltage, 0-100% of rated value | ||
2.3 | Duty | 100% full load |
2.4 | Accuracy | <1% |
3. Electrical Features | ||
3.1 | Application | aluminium Anodizing |
3.2 | Regulation mode | IGBT PWM |
3.3 | Power Factor(Full load) | ≥0.93 |
3.4 | Cooling Method | Forced air cooling |
3.5 | IP degree | IP30 |
3.6 | Insulation Grade | B |
3.7 | Working Mode | Continuous |
3.8 | Alarm type | Audible and visual alarm |
3.9 | Ripple | ≤10% |
3.10 | Timer function | Yes |
3.11 | Ampere hour function | Yes |
3.12 | PLC control interface and protocol | RS485 |
3.13 | Control panel | On control box, through cables |
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