The application of rectifiers in hard chromium electroplating is mainly reflected in the following key aspects:
Stable DC Power Supply
Hard chromium electroplating is an electrochemical process. The rectifier converts alternating current into fixed direct current to ensure continuous and stable current during electroplating.
Precise Voltage Control
Equipped with precision voltage regulation to control output according to process requirements, optimizing coating performance.
Periodic Reversing Function
Switches between positive and reverse currents to reduce hydrogen accumulation and prevent embrittlement.
Pulse Power Application
Improves coating microstructure, reduces porosity, and enhances bonding strength and durability.
Technology Impact Comparison
DC Rectification
Basic power supply with stable current
Precision Control
±0.5% voltage accuracy
Reversing Tech
Prevents hydrogen embrittlement
Pulse Tech
Reduces porosity by 35-50%
In hard chromium electroplating, the rectifier not only provides basic DC power but also enables advanced voltage control, periodic reversing, pulse electroplating technology, and process monitoring. This plays a key role in improving coating quality, efficiency, and process stability.