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During the oxidation process, the workpiece continuously generates
gas, hindering the continued oxidation, making the oxide film loose
and porous, and the intermittent high and low current conversion
rectifier of the pulse power rectifier works, which is conducive to
the precipitation of gas, easy to form a film, the film thickness
increases, the oxide film It is denser, and its hardness, thickness
and color are greatly improved. At present, the commonly used
oxidation power supply is a DC power supply, and its output has no
pulse, so the output generated is relatively loose, and the
thickness, hardness, and color of the oxide film cannot reach the
effect of pulse oxidation rectifier;
Superior performance of hard oxide pulse rectifier:
1-32 minutes adjustable soft start time, and can be used as a pulse
soft start, especially suitable for hard oxidation process;
1-256 minutes running time is adjustable (independent of soft start
time), automatic shutdown;
Multiple working options: pure pulse, pulse superposition, DC, etc
.;
During the operation, it can display all operating parameters at
any pulse frequency, duty cycle, pulse-based high & peak value,
so that you can fully control what workpiece is in the end;
Under operating conditions, the parameters can be freely modified,
adjusted, and stored at any time. After the power is turned off,
the time is saved for 35 years. The stored parameters will be
automatically run at the next startup;
According to the anodizing characteristics of aluminum and
titanium, the working method is current stabilization and voltage
limiting work to ensure sustainable and efficient oxidation. With
the extended power bath of electrical solutions, the thickness of
the oxide film increases if the output voltage rises to safety In
the set value tree, the voltage stops rising, and crent gradually
decreases, which really protects the workpiece from melting;
Perfect safety guarantee measures, with a variety of intelligent
fault protection, over current, fault phase, phase sequence error,
short circuit;
The transformer coil winding and bus bar are made of high-quality
copper (copper content 99.99%), with good conductivity and high
current efficiency;
The transformer coil adopts double vacuum impregnation process,
which has good insulation and corrosion resistance.
Specification
SPECIFICATIONS FOR GKD500-40CVC | |||
Input AC | 380V±10% | 3phase | 50/60Hz |
Output DC | Volt | 0~60V Adjustable | |
Current | 0~2000A | ||
Power | 12KW | ||
Efficiency | >85% | ||
pulse | negative voltage | 0~60v adjustabe | |
positive voltage | 0~60v adjusatavble | ||
negative current | 0~2000a adjusatble | ||
postive current | 0~2000a adjusatable | ||
Protection | Short circuit protection Overheating protection Phase lack protection Input over/low voltage protection | ||
Working Condition (Temperature) | -10℃~50℃ | Control mode | Panel control Remote control |
Net weight | 230kg | Working mode | Constant Voltage(CV) Constant Current(CC) |
Dimension(mm) | 1100*960*980mm | Cooling way | Air cooling |
Pulse rectification parameters:
Input voltage: three-phase four-wire 380V, 415V, 50-60HZ;
Output current: 200-10000A optional;
Output voltage: 40V, 60V, 70V, 90V, 110V, 120V optional;
Pulse frequency: 0.4 -25 Hz;
Duty cycle: 10% -90%;
Output waveform: pulse, pulse superposition, DC;
Running time: 1-256 minutes adjustable;
Working mode: steady current and pressure limit;
Cooling: forced air;
Load operation: 24 hours full load operation, such as 1000 meters
above sea level to reduce the use capacity;
Working environment temperature 0 ℃ -40 ℃;
The relative humidity is less than 90% (ambient temperature 20 ℃ ±
5 ℃).
Cabinet: | Structure: |
Radiator: | switch control way: |
Main transformer: | Core & Schottky diode: |
Board : | IGBT: |
Pulse type hard oxidation power supply
1 Pulsed oxidation power supply is used to produce aluminum
products with a film thickness of more than 20μ, which can be
quickly
coated and save energy.
2. The output pulse frequency and duty cycle are precisely
adjustable, and the number of positive and negative pulses can be
flexibly
configured.
3. Accurate constant current and constant voltage output
characteristics, the control accuracy is within ± 0.5V and ± 0.5A
respectively.
Support two working modes: program control and manual. In program
control mode, users can perform constant current / constant voltage
output characteristics, running time, pulse frequency, duty cycle,
positive / negative pulse number, positive / negative pulse
current, positive /
negative pulse voltage for up to 4 working stages Programming
separately, the working process is fully automated. This mode is
particularly
suitable for mass industrial production of stereotyped products.