Custom Anti-Corrosion Silver-Plated Roller for Copper Foil Production Line

The AstraRoll Custom Anti-Corrosion Silver-Plated Roller is engineered to meet the stringent electrical conductivity, structural stability, and surface protection requirements of continuous copper foil manufacturing. In high-speed electro-deposition, surface treatment, washing, and slitting lines for electronic-grade copper foils, guide rollers are subject to continuous current transfer, chemical bath exposure, and high surface wear. Standard conductive rollers frequently suffer from contact oxidation, localized spark erosion, voltage drops, and chemical pitting, resulting in surface defect marking and non-uniform foil quality.

Our precision silver-plated conductive rollers resolve these continuous processing challenges. Depending on line tension, weight constraints, and environmental resistance requirements, AstraRoll provides versatile core structural options: Stainless Steel (for maximum rigidity and corrosion resistance), Galvanized Steel (for heavy-duty structural load support), or High-Strength Aluminum Alloy (for low-inertia, smooth-tracking guidance). Through automated electro-deposition, a dense silver layer is metallurgically bonded to the core, followed by CNC micro-grinding to guarantee low contact resistance, efficient current distribution, and scratch-free foil conveyance.  

Technical Parameters

Product Framework: Precision Conductive & Anti-Corrosion Silver-Plated Roller

Core Base Options: Stainless Steel (304 / 316L), Galvanized Carbon Steel, High-Strength Aluminum Alloy

Plating Layer Material: High-Purity Silver (Ag ≥99.9%) Electro-Plated Layer

Plating Thickness: 20μm - 100μm (Customizable based on current density & wear requirements)

Electrical Resistance: Micro-Ohm level contact resistance (≤0.05μΩ·cm)

Surface Finish Profile: Ra 0.05μm - Ra 0.2μm (Micro-ground / Optical Mirror Polished)

Chemical Immunity: Superior immunity to chemical oxidation, mild acid mist, and atmospheric corrosion

Dynamic Balancing: ISO 21940 G2.5 standard for high-speed operation (300+m/min)

Concentricity Profile: TIR (Total Indicator Runout) ≤0.010mm via CNC cylindrical grinding

Primary Applications & Industry Uses

Copper Foil Electro-Forming & Processing Lines: Functions as primary conductive, grounding, and guiding rollers in continuous industrial copper foil manufacturing equipment.

PCB & Electronic Circuit Foil Equipment: Provides stable current transfer and corrosion protection during electronic copper foil washing, passivation, surface treatment, and slitting.

Continuous Web Electroplating & Galvanizing Machinery: Serves as high-conductivity, wear-resistant guide rolls in strip electroplating, reel-to-reel plating, and chemical etching lines.

Precision Metal Foil Converting Machinery: Delivers smooth, scratch-free guidance for ultra-thin copper and metal alloy foil substrates in high-precision converting machines.

Why Choose AstraRoll's Custom Anti-Corrosion Silver-Plated Roller for Copper Foil Production Line?

Versatile Three-Core Metal Construction:

Select Stainless Steel for long-term corrosion immunity, Galvanized Steel for strong structural load capacity, or Aluminum Alloy for low rotational inertia that eliminates foil scratching during speed fluctuations.

Ultra-High Conductivity & Low Contact Resistance:

High-purity electro-plated silver layers maintain uniform current density across the entire roll width, preventing voltage fluctuations, contact sparks, and localized foil burning.

Pore-Free Anti-Corrosion Silver Shield:

Advanced surface activation and multi-stage electro-plating technology form a dense, oxidation-resistant barrier that protects the core metal from chemical mist and atmospheric corrosion.

Optical Mirror Polish to Ra 0.05μm:

Precision CNC grinding followed by ultra-fine mirror polishing achieves a flawless surface finish, ensuring smooth, non-marking contact across ultra-thin copper foil substrates.

Q1. Are you a trader or direct factory?

We are a direct manufacturing factory with over 20 years of expertise in high-end industrial rollers, casters and material handling solutions. Our facility operates with ISO-certified quality management systems, allowing us to maintain full control over production cycles and quality standards. Throughout two decades of growth, we have established deep, long-term strategic partnerships with several listed companies and global automation leaders, proving our reliability as a high-tier industrial supplier.

Q2. What are your main products?

AstraRoll specializes in the engineering and production of three core product lines: Industrial Rollers, Heavy-Duty Wheels, and Precision Casters. We do not just sell components; we provide integrated movement and transport solutions. Our products are widely utilized across high-demand sectors, including: New Energy, Lithium Battery, Mining, Heavy Industry, Medical Institutional, Agriculture and Logistics.

Q3. What about delivery time?

We deeply understand that project timelines are critical.
Standard Products: Usually dispatched within 7–15 working days if the components are in stock.
Customized/OEM Orders: Depending on the complexity and volume, the lead time typically ranges from 20–35 days. This includes time for technical drawing confirmation, specialized tooling, and rigorous pre-shipment testing.
Shipping Methods: We offer flexible global logistics solutions, including FOB and CIF terms. We ship via Sea Freight (for bulk industrial orders), Air Freight (for urgent project needs), and International Express (DHL/FedEx/TNT) for smaller components or samples.

Q4. How can I get a quote for customized products?

Since a significant portion of our business involves specialized engineering, pricing is tailored to your specific technical requirements. To provide an accurate quote, please provide the following details: Technical Drawings or Sketches, Application Environment, Quantity, Special Requests. Our engineering team typically reviews and responds to custom inquiries with a formal quotation within 24–48 hours.

Q5. What is your payment?

TT / Paypal / Western Union / LC / Credit Card etc. are all available to us.