Full-Automatic Aluminum Anodizing Production Line | Complete Surface Finishing System

1. Product Overview

2. Core Production Line Composition

• Pre-treatment Module: Consists of degreasing, alkaline etching, acid neutralization and pure water cleaning processes. It thoroughly removes oil stains, oxide layers and surface impurities to ensure flat and uniform surfaces for subsequent anodizing, avoiding film defects and color inconsistency.
• Sulfuric Acid Anodizing Module: Adopts mature low-temperature oxidation technology to form dense, uniform and high-adhesion alumina protective films. The film thickness is adjustable from 5μm to 25μm, suitable for both decorative anodizing and hard anodizing applications.
• Electrolytic Coloring & Dyeing Module: Supports various color options including silver white, champagne, black, bronze and customized colors. Equipped with a constant current and constant voltage control system to ensure consistent color presentation for batch production.
• Hole Sealing Module: Applies high-temperature sealing or medium-temperature nickel-free sealing technology to seal the microporous structure of oxide films, effectively enhancing the corrosion resistance, weather resistance and stain resistance of aluminum products.
• Waste Acid Recovery & Sewage Treatment Module: Equipped with self-developed ion exchange sulfuric acid recovery systems to recycle waste sulfuric acid generated during production. It reduces chemical consumption and wastewater discharge while fully meeting international environmental protection standards.

3. Core Technical Advantages

• Intelligent Automatic Control System: Features PLC centralized control and programmable operation interface. The system automatically monitors and adjusts tank temperature, reaction time, electric current, liquid level and other key parameters. It minimizes manual operation, reduces human errors and maintains stable and repeatable production standards.
• Stable Oxidation & Consistent Quality: Optimized tank circulation and power rectification technology ensure uniform current distribution. The produced oxide films offer strong adhesion and high hardness without thin-film or peeling problems, greatly improving product yield rates.
• Energy Saving & Low Operational Cost: Equipped with energy-saving refrigeration units and low-power rectifiers to reduce power consumption. The supporting high-efficiency acid recovery system achieves up to 85% sulfuric acid recovery rate, effectively lowering fresh acid procurement costs and waste acid disposal expenses.
• Superior Corrosion Resistance & Long Service Life: All liquid-contacting components are made of high-quality PP and FRP anti-corrosion materials, resisting long-term erosion from strong acid and high-temperature liquid. The equipment delivers long service life and low daily maintenance costs.
• Flexible Customization & Easy Installation: Adopts integrated modular skid-mounted structure. Production line length, tank volume and process parameters can be customized according to customer output and site conditions. It is suitable for new workshops and production line renovations without large-scale factory reconstruction.

4. Application Scenarios

• Anodizing treatment for architectural aluminum profiles
• Oxidation processing for automotive aluminum alloy parts and components
• Surface treatment for industrial aluminum profiles and precision aluminum components
• Anodizing for decorative aluminum hardware and electronic aluminum shells
• Hard anodizing for mechanical anti-corrosion and wear-resistant aluminum parts

5. Why Choose GUANGDONG MEI-AL TECHNOLOGY?

6. Custom Solutions & Quotation Inquiry

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