Rectifier for Hard Chrome Plating serves large‑scale plating facilities that demand high uptime for oversized workpiece processing. In particular, heavy‑duty industrial rollers, large‑bore hydraulic cylinders and mining equipment components require steady reversing DC power to build uniform, defect‑free chrome layers. Even so, single‑unit power systems face total shutdown risk once hardware failure occurs; as a result, unplanned downtime brings heavy losses to high‑volume production lines.
Built around 20000A 18V rating, this rectifier for hard chrome plating features 5 units in N+1 parallel configuration paired with automatic polarity reversal switch. It integrates IGBT high‑frequency conversion, efficient water‑cooled thermal management and built‑in commutation logic within the whole parallel group. Once site crews finish busbar connection and cooling‑water piping work, operators configure reversal timing and current‑voltage parameters on the local control interface to adapt to real‑world bath conditions. Furthermore, independent water‑flow interlock protection works for every single unit, and this safeguard keeps the whole system running even when one module goes offline amid round‑the‑clock multi‑shift tasks.
This rectifier for hard chrome plating adopts mature IGBT conversion technology, and overall system efficiency remains above 92% under combined parallel working status. Meanwhile, unlike standalone units vulnerable to single‑point failure, the N+1 redundant structure greatly improves system reliability inside corrosive mist‑filled plating workshops.
Fast closed‑loop feedback compensates load fluctuation when operators hang or remove work‑pieces from plating tanks. Accordingly, finished parts reduce common surface defects including edge burning and uneven deposition, and overall production yield gets tangible improvement. Besides, each module supports independent hot‑swap maintenance, which cuts production interruption time and decreases long‑term operating expenditure.
Apart from that, tuned for 20000A combined output, every parallel module applies optimized power loop and thermal design to maintain low‑ripple DC supply. Hence, it offers dependable reversing power for high‑quality large‑batch industrial hard‑chrome processing.
| Parameter Category | Specific Item | Specification |
|---|---|---|
| Input Parameters | AC Input Power Supply | Three‑phase AC 380V, ±10% tolerance, 50‑60Hz |
| DC Output Parameters | Output Voltage Range | 0‑18V adjustable |
| DC Output Parameters | Total Output Current Range | 0‑20000A adjustable |
| DC Output Parameters | Rated Total Output Power | 360kW |
| DC Output Parameters | Voltage Regulation Accuracy | ≤1% |
| DC Output Parameters | Current Regulation Accuracy | ≤1% |
| DC Output Parameters | Ripple Factor | ≤1% |
| Control and Automation Functions | Operating Modes | Constant Current, Constant Voltage, automatic polarity reversal cycle |
| Control and Automation Functions | System Architecture | 5 Units N+1 Parallel Configuration |
| Control and Automation Functions | Auxiliary Hardware | Central control panel, ampere‑hour counter, multi‑unit fault log recorder |
| Control and Automation Functions | Programming Features | Polarity reversal time setting, output limit lock, historical alarm storage |
| Physical and Communication Parameters | Cooling Method | Water‑cooled with independent water‑flow interlock per unit |
| Physical and Communication Parameters | Protection Class | IP20 for indoor industrial plating workshop |
| Physical and Communication Parameters | Communication Interface | RS485 Modbus RTU |
| Physical and Communication Parameters | Operating Efficiency | Above 92% |
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.
This rectifier for hard chrome plating suits large‑volume hard‑chrome plating, heavy mechanical component overhaul and metal surface hardening projects. For instance, it serves surface treatment and refurbishment for large industrial rollers, heavy‑duty hydraulic cylinders, mining machinery assemblies and other huge work‑pieces requiring automatic polarity reversal and high‑reliability power supply.
Besides, it works as core power hardware for large metal‑finishing factories chasing maximum production uptime. In addition to mass manufacturing assignments, it also supports plating bath formula verification and reversal‑cycle process testing, providing accurate operation data for process optimisation and quality traceability.
We focus on designing and manufacturing high‑reliability parallel‑system rectifiers adapted for demanding plating‑plant conditions. First of all, the complete 5‑unit N+1 parallel group passes strict full‑load ageing and ripple performance testing before delivery to guarantee stable 20000A combined output for long‑time continuous jobs.
In addition, we accept custom modification on parallel quantity, reversal logic and cabinet layout to match varied on‑site installation constraints and process specifications. Backed by full‑lifecycle services including on‑site commissioning guidance, remote multi‑unit diagnostic support and steady spare‑parts supply, we deliver trustworthy high‑current power solutions for your industrial hard‑chrome plating production lines.
Learn more about related products：12000A 12V Decorative Chrome Rectifier
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.
