Output: 0-100V DC / 0-200A (Dual-pulse Mode)
Power: 20kW
Application: High-Performance Hard Anodizing of Titanium Alloys
Best For: Aerospace Fasteners, Medical Implants, High-End Consumer Electronics, Precision Optical Components
This 200A 100V dual-pulse rectifier delivers precisely controlled pulsed DC power. Specifically, it is engineered for the advanced anodic oxidation of titanium and its alloys. Consequently, it enables the formation of exceptionally hard, dense, and uniform oxide layers. Furthermore, it provides controlled color and thickness. These properties are critical for aerospace, medical, and luxury applications. Additionally, this dual-pulse rectifier ensures consistent, repeatable results for demanding production environments.
| Parameter | Specification |
|---|---|
| Input Power | 380VAC Three-Phase, 50/60Hz |
| DC Output | 0-100V DC / 0-200A (Dual-pulse) |
| Pulse Mode | Independent Positive/Negative Pulse Control |
| Pulse Frequency | 0.1-1000 Hz Adjustable |
| Duty Cycle | 1%-99% Independently Adjustable |
| Rise/Fall Time | < 1ms |
| Control Interface | High-Resolution Touchscreen with Color Recipe Library |
| Special Features | Automatic Color Control via Voltage/Time, Film Thickness Predictor, Electrolyte Temperature Compensation |
| Cooling | Water Cooling |
| Protections | OCP, OVP, OTP, Polarity Fault, Solution Conductivity Monitor, Flow Interlock |
| Single Pulse | ||||||
| No. | Model | Forward Current (A) | Forward Voltage (V) | Input Voltage (V) | Cooling Method | W×L×H (mm) |
| 1 | 5A750V | 5 | 750 | 220 | Air-cooled | 290×520×190 |
| 2 | 10A750V | 10 | 750 | 380 | Air-cooled | 510×560×230 |
| 3 | 20A750V | 20 | 750 | 380 | Air-cooled | 560×760×320 |
| 4 | 30A750V | 30 | 750 | 380 | Air-cooled | 560×760×320 |
| 5 | 50A750V | 50 | 750 | 380 | Air-cooled | 520×580×930 |
| 6 | 100A750V | 100 | 750 | 380 | Air-cooled | 580×650×1650 |
| 7 | 200A750V | 200 | 750 | 380 | Water-cooled | 850×1130×1630 |
| 8 | 300A750V | 300 | 750 | 380 | Water-cooled | 800×1270×1700 |
| 9 | 500A750V | 500 | 750 | 380 | Water-cooled | 800×1270×1900 |
| Dual Pulse | ||||||||
| No. | Model | Forward Current (A) | Forward Voltage (V) | Reverse Current (A) | Reverse Voltage (V) | Input Voltage (V) | Cooling Method | Dimensions (mm) |
| 1 | 10A750V | 10 | 750 | 3 | 300 | 380 | Air-cooled | 510×560×230 |
| 2 | 30A750V | 30 | 750 | 10 | 300 | 380 | Air-cooled | 560×760×320 |
| 3 | 50A750V | 50 | 750 | 15 | 300 | 380 | Air-cooled | 520×580×930 |
| 4 | 100A750V | 100 | 750 | 30 | 300 | 380 | Air-cooled | 580×650×1650 |
| 5 | 200A750V | 200 | 750 | 50 | 300 | 380 | Water-cooled | 850×1130×1630 |
| 6 | 300A750V | 300 | 750 | 100 | 300 | 380 | Water-cooled | 800×1270×1700 |
| 7 | 500A750V | 500 | 750 | 150 | 300 | 380 | Water-cooled | 800×1270×1900 |
Power（KW） = Output Voltage（V） × Output Current（A）
The product comes with a one-year warranty and boasts a service life of over 10 years. It supports both Constant Current and Constant Voltage modes, and it also includes a programmable ramp-up function for current or voltage settings. For time-sensitive applications, you can use the timed operation mode. Moreover, the multi-segment function allows you to vary constant current or voltage levels over time. The device further offers an RS485 communication interface, automatic polarity reversal, and a minute-level timing function. If you need customization, please contact us for further details.
Over all, GAOHUI provides complete single-pulse and dual-pulse models with air-cooled and water-cooled options. Accordingly, these units fit different production scales and process requirements.
Shows the peak voltage of the current pulse, a key parameter affecting coating strength.
Displays the average current over the working cycle to monitor reaction stability.
Set total time: Total process duration.
Total running time: Elapsed working time.
Cumulative ampere-minutes: Total current-time value for coating thickness control.
Multi-station ID for managing different workpiece processes.
Indicates disconnection from remote/host system, local control mode.
Constant current mode, the most common for micro-arc oxidation.
Press to immediately terminate the oxidation process.
Process stage: Current running step in multi-step program.
Ramp-up time: Time for voltage/current to rise to set value, avoiding impact.
Peak voltage limit: Maximum pulse voltage to prevent breakdown.
Frequency (Hz): Pulse working frequency, affects coating density.
Current stage: Current process segment number.
Hold time: Duration of current segment.
Average current setting: Target average current value.
Pulse "on" time percentage in one cycle, affects heat input and coating structure.
Button to start or stop the process.
Toggle between CV and CC control modes.
Pause or resume the ongoing process.
Access multi-step program editor for complex recipes.
Choose between single segment or multi-segment process.
Shows currently loaded/running process recipe.
Opens system configuration menu.
Manufacturer/support contact information.
View historical voltage/current trend graphs.
Visualizes real-time/historical voltage/current curve.
Displays the peak current value of the pulse.
Displays the average voltage over the working cycle.
Shows system date and time.
Shows the peak value of the positive pulse voltage.
Displays the average current of the positive pulse over the working cycle.
Shows the average voltage of the positive pulse over the working cycle.
Displays the peak value of the positive pulse current.
Shows the current running process number.
Sets the time for voltage/current to rise slowly from zero to the set value.
Shows the current running segment number in multi-stage processes.
Sets the duration for the current process segment.
Manufacturer/support contact information.
Shows the average voltage of the negative pulse over the working cycle.
Displays the peak value of the negative pulse current.
Shows the peak value of the negative pulse voltage.
Displays the average current of the negative pulse over the working cycle.
Sets the maximum allowed positive pulse voltage to prevent workpiece breakdown.
Sets the target average current value for the positive pulse.
Set total time: Total process duration.
Total running time: Elapsed working time.
Cumulative ampere-minutes: Total current-time value for coating thickness control.
Opens the system configuration menu.
Accesses the multi-step program editor to create complex recipes.
Selects between running a single segment or a multi-segment process.
Displays the currently loaded or running process recipe.
Temporarily pauses or resumes the ongoing process.
Toggles between constant voltage and constant current control modes.
Multi-station ID for managing different workpiece processes.
Indicates disconnection from the remote/host system, local control mode.
Current operating mode: constant current control.
Press to immediately terminate the oxidation process.
Positive: Pulse frequency, duty cycle, number of pulses.
Negative: Pulse frequency, duty cycle, number of pulses.
Main button to start or stop the entire process.
This dual-pulse rectifier is essential for industries that demand the ultimate in surface performance and aesthetics. These applications include, for example:
In Aerospace & Defense, it anodizes titanium fasteners, brackets, and engine components. Specifically, it provides enhanced wear resistance. Additionally, it offers corrosion protection. It also provides electrical insulation. Importantly, the controlled oxide layer prevents galling. Furthermore, it improves fatigue life.
For Medical Devices & Implants, this dual-pulse rectifier creates biocompatible surfaces. Specifically, these are wear-resistant and color-coded surfaces. They apply to surgical tools, dental implants, and orthopedic devices. As a result, it improves device longevity. Additionally, it enhances functionality. Furthermore, it improves traceability in the operating room.
In High-End Consumer Electronics and Optics, it produces durable, scratch-resistant finishes. Specifically, these are vibrant colored finishes. They apply to titanium watch cases, camera parts, and eyewear frames. Ultimately, this combines luxury aesthetics. Additionally, it provides practical benefits of a hardened ceramic surface.
For Research & Development, scientists utilize this dual-pulse rectifier. Specifically, they investigate anodizing mechanisms. Additionally, they develop new color formulations. Furthermore, they optimize surface properties. Thus, it serves as an essential tool for advancing titanium surface engineering.
Finally, this 200A 100V dual-pulse rectifier represents the pinnacle of control for titanium anodizing. For this reason, it is the indispensable power source for manufacturers. It also serves research facilities. These organizations push the boundaries of material science. Thus, it delivers surface integrity, performance, and appearance.
Dual-Pulse Precision: Firstly, the unit independently controls positive and negative pulses. Therefore, this dual-pulse rectifier enables superior film quality. Additionally, it minimizes micro-cracking.
Color Control Accuracy: Secondly, the 100V range enables precise color matching. Specifically, built-in recipes ensure consistency. Thus, this dual-pulse rectifier delivers batch-to-batch repeatability.
Intelligent Automation: Moreover, the system stores complete anodizing programs. Additionally, real-time temperature compensation ensures stability. Therefore, this dual-pulse rectifier reduces operator error.
Water-Cooled Reliability: Finally, the closed-loop cooling system supports demanding processes. Specifically, it handles high-current pulses. Thus, this dual-pulse rectifier ensures long-term reliability.
A: Products with the same nominal specifications often serve different industries, and they may carry different detailed parameter requirements. These differences directly affect production costs and technical solutions, so final prices will vary accordingly. For this reason, we recommend you contact us directly to receive a precise and tailored quotation.
A: We assign specialized consultants to support each industry sector. If you need further information, simply reach out to us. After we confirm your request, we will immediately send you the full technical datasheets and product images you need.
A: We focus on custom non-standard industrial power supplies, so we can fully adjust output current and voltage to match your exact needs. The products shown on our website only represent part of our actual range, as we do not list every model online. If you cannot find your desired specifications, please contact us directly. We will work with you to confirm your exact requirements, or we can guide you to select the most suitable parameters based on your industry standards. We will provide complete technical specifications and dimension drawings so you can fully understand the product.
