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Vertical Hard Anodizing Line for Aluminum Bike Frames | 30–50μm Dyeable Oxidation, 350 Tons/Month
Product Overview
This fully automatic vertical hard anodizing line is professionally developed for mass surface treatment of aluminum bicycle frames. It supports customized 30–50μm thick hard oxide film and compatible dye coloring treatment, meeting high-standard wear resistance, corrosion resistance, and decorative requirements for cycling parts.
Adopting low-temperature hard anodizing technology, the vertical structure ensures uniform current distribution and consistent film thickness on irregular bike frame structures. It effectively solves common defects such as thin coating, uneven oxidation, and poor color uniformity.
With stable automated cycle operation and precise PLC parameter control, the equipment achieves a stable monthly output of 350 tons, fully suitable for large-batch standardized production of various aluminum bike frames.
Technical Specifications
Item
Parameter
Equipment Type
Full Automatic Vertical Hard Anodizing Line
Applicable Workpiece
Aluminum bicycle frames, cycling alloy structural parts
Oxide Film Thickness
30–50 μm (adjustable & uniform)
Available Process
Hard anodizing + multi-color dye coloring
Process Temperature
0–5 ℃ low-temperature constant control
Working Current Density
1.8–2.5 A/dm²
Stable Monthly Capacity
350 Tons
Coating Hardness
≥400 HV, high wear resistance
Sealing Method
Medium temperature sealing / high-efficiency hole sealing
Core Performance
Anti-corrosion, wear-resistant, color customizable, long service life
Process Flow (Bike Frame Dedicated)
Frame Hanging & Fixing: Professional vertical hanging fixture solution fits special-shaped bike frame structures, ensuring balanced stress and uniform conduction.
Degreasing & Deep Cleaning: Remove machining oil, sweat stains and surface impurities to ensure ultra-clean aluminum substrate for high adhesion coating.
Alkali Etching & Neutralizing: Uniform frame surface texture and remove natural oxide layer to guarantee consistent oxidation foundation for batch workpieces.
Low-Temperature Hard Anodizing: Form dense 30–50μm ultra-hard oxide film under constant temperature and current, improving frame surface strength and durability.
Precision Water Rinsing: Multi-stage counter-flow rinsing eliminates residual acid liquid to avoid film damage and ensure pure surface before coloring.
Dye Coloring Treatment: Achieve uniform, saturated and colorfast decorative effects with customizable color options for bike frame appearance.
Sealing & Curing: Seal oxide micropores to enhance corrosion resistance and color stability, preventing fading and oxidation failure.
Constant Temperature Drying: Uniform water-free drying to complete finished bike frame surface treatment.
Core Advantages
30–50μm Thick & Uniform Hard Film: Custom low-temperature hard oxidation process stably controls 30–50μm film thickness. The ultra-dense coating greatly improves bike frame wear resistance, impact resistance and outdoor weatherability.
Integrated Oxidation & Coloring Process: Supports hard anodizing and multi-color dye coloring in one line. Solves the problem of poor color uniformity of thick oxide layers.
Vertical Structure for Irregular Frames: Optimized vertical tank body and hanging mode perfectly fit curved and special-shaped bike frames. No dead-angle oxidation ensures consistent quality.
350 Tons High-Efficiency Mass Production: Full-automatic PLC intelligent control realizes unmanned cyclic operation. Stable monthly output meets large-scale order delivery needs.
Stable Batch Quality & Low Defect Rate: Precise temperature and current closed-loop control ensures zero color difference and stable film thickness in mass production.
Supporting Equipment
Full-automatic vertical lifting and circulating system
PLC intelligent centralized control system & touch screen operation panel
Complete pre-treatment tank group for bicycle frame processing
Low-temperature refrigeration unit & constant temperature circulation system
Special hard anodizing tank & high-power rectifier equipment
Multi-color dye coloring tank & constant temperature sealing tank
Multi-stage counter-flow rinsing & pure water purification system
Precision filtration & tank liquid stabilization system
Hot air constant temperature drying equipment
Frequently Asked Questions
Why choose 30–50μm hard anodizing for aluminum bike frames?
30–50μm thick hard oxide film provides excellent wear resistance, scratch resistance and outdoor anti-aging performance. It effectively protects bike frames from friction damage and environmental corrosion, which is the standard high-performance coating for mid-to-high-end cycling frames.
Can hard anodized bike frames be dyed in multiple colors?
Yes. This vertical production line is optimized for thick-film coloring technology. It realizes uniform and colorfast dyeing on 30–50μm hard oxide layers, supporting customized color requirements for brand-style bicycle frames.
What is the monthly mass production capacity for bike frames?
The full-automatic vertical line supports a stable monthly output of 350 tons. It is fully adapted to long-term batch production of standard aluminum bicycle frames with guaranteed batch consistency.
Is vertical structure more suitable for bike frame oxidation?
Absolutely. The vertical hanging method avoids frame extrusion and deformation. It eliminates oxidation dead angles on curved and hollow structures, ensuring overall uniform film thickness and better finished product quality than horizontal lines.
Get customized process layout, parameter configuration and exclusive quotation for aluminum bicycle frame hard anodizing projects.
Contact our technical team for professional consultation and project planning.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
430000-10000000
Employee Number:
50~90
Ecer Certification：
Verified Supplier
MEI-AL Technology has been committed to serve the aluminum profile surface treatment industry with its strong technical force, excellent production and processing, scientific management methods and excellent management style. Mei-al main production: anodizing, coloring, electrophoresis production li... MEI-AL Technology has been committed to serve the aluminum profile surface treatment industry with its strong technical force, excellent production and processing, scientific management methods and excellent management style. Mei-al main production: anodizing, coloring, electrophoresis production li...
