Hard Anodizing Rectifier Introduction

The 400A 120V hard anodizing rectifier delivers high-current DC power for industrial Type III anodizing. Specifically, this hard anodizing rectifier is engineered for creating ultra-hard, wear-resistant oxide layers on aluminum components. Consequently, it enables superior coating hardness, corrosion resistance, and thermal stability. Furthermore, this hard anodizing rectifier supports continuous 24/7 production environments with its robust water-cooled design.

Technical Specifications

Parameter	Specification
Input Power	380VAC Three-Phase, 50/60Hz
DC Output	0-120V DC / 0-400A
Voltage Stability	≤ ±1%
Current Stability	≤ ±1.5%
Output Ripple	≤ 3%
Control Interface	Industrial HMI with Multi-Step Programmable Profiles
Special Features	Automatic Voltage Ramp, Low-Temperature Process Mode, Real-time Coating Resistance Monitoring
Cooling	Water Cooling
Protections	OCP, OVP, OTP, Tank Short Circuit, Electrolyte Flow/Temperature Interlock

Available Standard Models (Customizable) of Hard Anodizing Rectifier

Anodizing Power Supply Model Selection (Any model can be customized)
General Anodizing Power Supply （Below 30V, with timer control head, for conventional anodizing）
Model	Output Current (A)	Output Voltage (V)	Power (KW)	Input Current (A)	Input Voltage (V)	Weight (KG)	W×L×H (mm)
YH200018	2000	18	36	60	380	50	400×500×630
YH300018	3000	18	54	90	380	70	400×500×630
YH300020	3000	20	60	100	380	100	500×620×1150
YH300024	3000	24	72	120	380	120	500×620×1150
YH400018	4000	18	72	120	380	120	500×620×1150
YH400020	4000	20	80	133	380	120	500×620×1150
YH400024	4000	24	96	160	380	120	500×620×1150
YH500018	5000	18	90	150	380	120	500×620×1150
YH500020	5000	20	100	167	380	120	500×620×1150
YH500024	5000	24	120	200	380	130	500×620×1150
YH600018	6000	18	108	180	380	130	500×620×1150
YH600020	6000	20	120	200	380	130	500×620×1150
YH600024	6000	24	144	240	380	180	500×620×1150
YH800018	8000	18	144	240	380	180	500×670×1450
Advanced Anodizing Power Supply （Above 30V, touch screen PLC control, for hard anodizing）
Model	Output Current (A)	Output Voltage (V)	Power (KW)	Input Current (A)	Input Voltage (V)	Weight (KG)	W×L×H (mm)
YY200040	2000	40	80	133	380	135	600×750×1300
YY200060	2000	60	120	200	380	150	600×750×1300
YY200080	2000	80	160	267	380	180	600×750×1300
YY300040	3000	40	120	200	380	200	600×750×1300
YY400050	4000	50	200	333	380	250	600×750×1300
YY400050	4000	60	240	400	380	250	800×1150×1300
YY500050	5000	50	250	417	380	300	800×1150×1300
YY500060	5000	60	300	500	380	300	800×1150×1300
YY600060	6000	60	360	600	380	300	800×1150×1300
YY600080	6000	80	480	800	380	300	800×1150×1300
YY5050	50	150	7.5	13	380	40	420×500×320

Power（KW） = Output Voltage（V） × Output Current（A）

We will provide:

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.

Hard Anodizing Power Supply — Touchscreen Control Unit

1.  ID

    Process/program number, used to select or switch between different stored recipes.

2.  Stage

    The current step number in a multi-step ladder process (supports up to 20 stages).

3.  Set_U

    Target set voltage value (DC 0–160V adjustable).

4.  Rise_T./sec

    Rise time (soft start time) in seconds, adjustable from 0–999 seconds.

5.  Keep_T./min

    Hold time in minutes/seconds, adjustable from 1–9999 seconds/minutes.

6.  Stage List (Set_I / Set_U / Rise_T / Keep_T)

    Parameter table for multi-step processes, supporting up to 20 stages. Each stage can be independently configured with target current, target voltage, ramp-up time, and hold time.

7.  RUN

    Start button to begin power output according to the selected process.

8.  OFF / CV

    - `OFF`: Stop button to halt power output.

    - `CV`: Constant Voltage mode for steady output voltage control.

9.  single stage

    Single-step mode, runs only the selected stage without multi-step cycling.

10. U/I curve

    Voltage/Current curve mode, controls the process primarily by current profile.

11. Power Good

    Power supply ready indicator, lights green when the unit is healthy and ready to start.

12. Menu

    Main menu button to access system settings, parameter configuration, fault logs, and stored recipes.

13. AH Reset

    Amp-hour reset button to clear the accumulated Act.AH value.

14. AH Show / Alarm Mode

    - `AH Show`: Amp-hour display toggle.

    - `Alarm Mode`: Configuration for fault response and alarm behavior.

15. Set AH

    Target amp-hour value for charge-based automatic stop control.

16. Act.AH

    Actual accumulated amp-hours (total charge consumed during the process).

17. Run Time

    Elapsed runtime timer for the current process.

18. U (Voltage)

    Real-time output voltage display (large digits, unit: V).

19. I (Current)

    Real-time output current display (large digits, unit: A).

Key Features of This Hard Anodizing Rectifier

• High-Current Capacity for Large-Scale Production: Firstly, this rectifier delivers 400A at 120V. Therefore, it provides the power needed for large-scale Type III anodizing operations. Additionally, it processes large aluminum profiles, sheets, and components efficiently. Thus, it handles high-volume production lines with ease.
• High-Voltage Capability for Hard Coat Formation: Secondly, the 120V output enables elevated voltage operation. Specifically, this is essential for creating dense, hard oxide layers. Therefore, this hard anodizing rectifier achieves superior coating hardness. Furthermore, it ensures consistent coating quality across complex part geometries.
• Precision Control for Repeatable Results: Moreover, the system offers ≤ ±1% control accuracy. Specifically, high-frequency switching enables fast response speed. Additionally, this hard anodizing rectifier maintains precision throughout the entire process. Thus, users achieve consistent results batch after batch.
• Water-Cooled Reliability for Continuous Operation: Finally, the closed-loop water-cooling system manages substantial heat. Specifically, it handles high-power anodizing cycles over long durations. Therefore, this rectifier ensures stable performance in demanding environments. Furthermore, it minimizes downtime and maintenance costs.

Applications & Advantages

This rectifier is widely used in demanding surface treatment applications. These include, for example:

In Aerospace Manufacturing, it creates wear-resistant hard coatings on aircraft landing gear components, engine parts, and structural brackets. Specifically, the coating provides exceptional corrosion protection. Additionally, it improves fatigue life and durability.

For Automotive Applications, this hard anodizing rectifier treats suspension components, brake parts, and engine components. Specifically, it enhances wear resistance and thermal management. Furthermore, it reduces friction and extends component service life.

In Industrial Equipment, it protects hydraulic cylinders, valve bodies, and machinery components. Specifically, it provides superior corrosion protection. Additionally, it withstands harsh operating environments.

For Defense Applications, this hard anodizing rectifier meets MIL-spec requirements for military components. Specifically, it delivers consistent, high-quality coatings. Furthermore, it ensures compliance with stringent military standards.

Ultimately, this rectifier represents a reliable power solution for industrial anodizing operations. Specifically, it combines high power output with precision control. Thus, it enables manufacturers to produce high-quality Type III anodized coatings for demanding applications.

Why Choose This Hard Anodizing Rectifier?

High-Power Output: Firstly, the unit delivers 400A at 120V. Therefore, this hard anodizing rectifier enables large-scale production. Additionally, it processes complex parts efficiently.

Precision Control: Secondly, the system offers ≤ ±1% accuracy. Specifically, it ensures consistent coating quality. Thus, this hard anodizing rectifier delivers repeatable results.

Water-Cooled Reliability: Moreover, the closed-loop cooling system supports continuous operation. Specifically, it handles 24/7 production cycles. Thus, this rectifier ensures long-term reliability.

Comprehensive Protection: Finally, the system features multiple safeguards. Specifically, it protects against phase loss, overvoltage, and overheating. Thus, it provides all-around protection for equipment and operation.

Frequently Asked Questions (FAQs) About Gaohui Power Supply

Q: Do you have a price list for your products?

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.

Q: How can I obtain detailed technical specifications and images for a specific product?

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.

Q: What should I do if I cannot find the specific output current and voltage specifications I require?

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.