Heavy-Duty Electropolishing Rectifier (15V 1000A) for Mirror Finish Polishing

EXECUTIVE SUMMARY
This 15V 1000A electropolishing rectifier is engineered for industrial surface finishing applications requiring precision DC control. Designed for use in stainless steel electropolishing, electrochemical deburring, and passivation lines, this unit offers the high current density and low-voltage stability necessary to consistently achieve a mirror finish on complex metal geometries. Built for demanding 24/7 production environments, this direct replacement for legacy plating transformers delivers linear performance with digital precision.
PART 1: KEY FEATURES & ENGINEERING HIGHLIGHTS
High-Efficiency IGBT Topology: Operating at >90% efficiency, our IGBT switch mode design drastically reduces energy waste and heat generation compared to old thyristor-based units. This technology, sourced from a proven industrial high frequency rectifier factory, ensures stable current delivery down to 0.1% ripple.
Dual-Mode Regulation: Independently regulate constant current (CC) for electrochemical dissolution uniformity or constant voltage (CV) for surface passivation. Output transitions seamlessly without power cycling.
Industrial Remote Control: Standard multifunction remote control box with membrane keypad enables the operator to set voltage and current limits from up to 30 meters away. Essential for hazardous wet-area installations.
High-Strength Construction: Heavy-duty steel chassis with a fused acid-resistant powder coat. All internal bus bars are silver-plated oxygen-free copper to handle continuous 1000A discharge.
PART 2: TECHNICAL SPECIFICATIONS TABLE
Specification | Detail
— | —
Output Voltage | 0 – 15V DC continuously adjustable
Output Current | 0 – 1000A continuously adjustable
Input Power | AC 400V ±15%, 3-Phase, 50/60Hz (3W + PE)
Cooling Method | Forced air cooling via dual heavy-duty fans
Protection Class | IP32 (Indoor industrial use)
Control Interface | Remote panel + Local touch keypad
Ripple (max) | < 3% at rated load
Weight | Approx. 85 kg (unit only)
Warranty | 12 months on parts and labor
PART 3: ADVANCED BUILT-IN PROTECTION SYSTEMS
Reliability is paramount for continuous electropolishing lines. This rectifier incorporates:
– Over-Current Foldback: Limits amps to protect parts from burning during debutting spikes.
– Over-Temperature Shutdown: Thermistor on every IGBT module and heat sink.
– Short Circuit Proof: Welded contacts or failing parts will not damage the power stage.
– Phase Loss Detection: Unit prevents start-up if any input phase is lost.
PART 4: TARGET INDUSTRIAL APPLICATIONS
This heavy-duty DC power supply price point is engineered for:
1. Stainless Steel Electropolishing: Achieves a mirror finish on 304 and 316L for medical devices and food equipment.
2. Electrochemical Deburring (ECD): Removes micro-burrs on precision hydraulic components using stable low-voltage pulses.
3. Passivation & Final Cleaning: Replaces chemical-only processes for improved corrosion resistance on titanium and aluminum.
4. Batch Plating: Can serve as a cost-effective 15V rectifier for sulfuric acid anodizing small batches.
PART 5: CUSTOMIZATION AND TAILORED ENGINEERING SERVICES
As a dedicated IGBT rectifier manufacturer, we understand that your process line may require non-standard integration. Every unit can be customized from a base of 1V to 1000V and 1A to 100,000A DC. We do not build AC transformers here—only pure DC output.
Available Add-On Modules for Your Electropolishing Line:
– Process Timer (HMI configurable up to 99 hours with accuracy to 0.1 seconds)
– Multi-Stage Profile Control (Program 16 steps of voltage/current/time for multi-phase polishing)
– Ampere-Minute Integrator (Total coulomb counts for repeatable metal removal)
– Automatic Reverse Polarity (Pulsating cycle for plating vs deplating in one unit)
– Soft-Start & Soft-Stop (Ramp your current up over 10s to prevent part shock)
Control Interface Compatibility:
– RS485 Modbus RTU for PLC automation (Allen-Bradley / Siemens)
– Ethernet IP for factory SCADA integration
– Analog 4-20mA input for generic PLC command
Advanced Pulse Function:
– Adjustable frequency from 1 to 3000Hz
– Adjustable duty cycle from 1% to 99%
– Twin-pulse output for electroforming or hard chrome deburring
Contact us directly for a custom bill of materials. We supply both standard units and fully custom variants with fast lead times. For your exact process voltage, contact our engineering team to request a custom current voltage rectifier that matches your existing tank connections.