An electroplating rectifier is a power-electronic device that converts alternating current (AC) into stable direct current (DC). It is an indispensable core equipment in processes such as metal electroplating, PCB wet processing, and electrochemical reactions. Its essential function is to supply the electroplating anode with highly stable, low-ripple current and voltage, enabling uniform deposition and dense adhesion of the coating.
Traditional electroplating rectifiers are based on silicon-controlled rectifier (SCR) or thyristor technology. By controlling the switching time of the control devices, they regulate current and voltage, and use filtering systems to reduce ripple to meet the stability requirements of the electroplating process.
What Problems Does an Electroplating Rectifier Solve? — The Foundation for Electroplating Quality and Energy Management
In the electroplating and surface-treatment industries, companies commonly face the following challenges:
– Unstable output leading to rough, blooming, or burned coatings
– High energy consumption and rising electricity costs
– Large equipment size, frequent maintenance, and short lifespan
– Lack of remote monitoring, hindering smart management
An electroplating rectifier delivers stable DC output, low ripple, and controllable current density, helping plants improve coating uniformity, reduce defect rates, and provide foundational power support for automation and digitalization of factories.
Why Choose QEEHUA Electroplating Rectifiers? — Higher Efficiency, Smarter Industrial Power Solutions
As a leading manufacturer of surface treatment and chemical-flow equipment in China, QEEHUA has upgraded traditional rectifiers from a “power converter” into a “smart process core.”
Core advantages include:
– ✔ Conversion efficiency up to 95%+; Energy savings of 20–30%
– Employs fourth-generation IGBT technology, with a voltage drop of only 0.1–0.2 V, significantly reducing electricity costs.
– ✔ Stabilization and regulation precision <1%; Coatings become more uniform
– Highly stable output maintains consistent current density, greatly reducing issues such as scorching, pinholes, and specks.
– ✔ Fully digital intelligent control platform
– Standard: RS485/232, Modbus
– Supports: Profibus-DP, DeviceNet
– Integrates with MES/automation lines
– Enables remote monitoring, alarms, and data traceability
– ✔ Water-cooled and air-cooled architectures optimized
– Water cooling: suitable for high-current scenarios (up to 【20,000 A】), continuous operation with stability
– Air cooling: compact, lightweight, easier maintenance, suitable for space-constrained plants
– ✔ Complete electroplating rectifier + chemical-process pump + filtration system solution
– QEEHUA holds a patent for “internal-magnet injection-molded” pump technology; the full system—from power supply to liquid transport—achieves high corrosion resistance and enhanced stability.
– Optional note: The system is designed to interface with chemical pumps and filtration units to deliver end-to-end robust performance in corrosive environments.