An AC power source called an electro-coloring rectifier is used in the final stage of the anodizing process to give aluminum surfaces a controlled, metallic color. It creates uniform and long-lasting finishes by applying carefully controlled alternating current, which causes metal salts, such as cobalt or tin, to deposit into the pores of the oxide layer. It provides automated timing, waveform adjustment, and step-controlled voltage, enabling precise color tones ranging from light bronze to deep black.
Electro Colouring Rectifiers
- Precision DC output for consistent and uniform aluminium colouring
- Stable voltage and current regulation ensures flawless electrochemical results
- Adjustable output settings tailored for various alloy types and colouring tones
- Digital or analog control options for flexible operation
- High-efficiency design reduces energy consumption during long processing cycles
- Air-cooled or water-cooled options based on production scale and environment
- Overload, short-circuit, and overheat protection for operational safety
- Durable and corrosion-resistant housing for harsh anodizing environments
- Long service life with minimal maintenance requirements
- Compliant with CE and ISO 9001 quality standards
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