Corrosion-Resistant Submerged Roller for Lithium Battery Copper Foil Production

The AstraRoll Corrosion-Resistant Submerged Roller is a custom-engineered roller designed for continuous copper foil production and surface treatment equipment.

In lithium battery copper foil manufacturing, copper foil may pass through electrolytic, cleaning, roughening, curing, anti-oxidation and other treatment processes. Submerged rollers operate directly inside processing tanks and help guide and transport the copper foil through the treatment solution.

Because the roller is exposed to corrosive liquids, its material selection, surface treatment, hardness, surface roughness and dimensional accuracy are critical. AstraRoll combines precision CNC machining with customized surface treatments to manufacture submerged rollers according to the specific chemical and mechanical conditions of the customer's production line.

The roller surface can be engineered for corrosion resistance, wear resistance, controlled roughness and stable roundness, helping maintain smooth contact with copper foil and reduce the risk of surface marks or defects.

Technical Parameters

Roller Type: Submerged Roller

Roller Diameter: Customized

Working Length: Customized

Core Material: Carbon Steel / Stainless Steel / Alloy Steel / Customized

Surface Treatment: Rubber / PU / Ceramic / Hard Chrome / PTFE / Customized

Surface Hardness: Customized

Surface Roughness: According to Drawing / Application

Roundness: Precision Machined

Concentricity: According to Drawing

Shaft Design: Customized

Corrosion Resistance: According to Process Conditions

Chemical Resistance: Customized to Processing Solution

OEM Service: Available

Applications

Lithium Battery Copper Foil Industry

Electrolytic copper foil production lines

Lithium battery copper foil production

Copper foil surface treatment lines

Copper foil roughening equipment

Copper foil cleaning and pickling sections

Anti-oxidation treatment equipment

Copper foil plating and post-treatment equipment

Continuous copper foil processing machinery

Chemical processing equipment

Metal surface treatment lines

Electroplating equipment

Acid cleaning systems

Corrosive liquid conveying and processing equipment

Why Choose AstraRoll's Corrosion-Resistant Submerged Roller?

Designed for Corrosive Environments – Engineered for continuous operation in acidic, alkaline or other corrosive processing solutions encountered in copper foil production.

Precision Surface Quality – Precision CNC machining helps maintain accurate diameter, roundness, concentricity and surface finish for stable copper foil transport.

High Wear Resistance – High surface hardness and suitable surface treatments help withstand continuous contact, friction and chemical exposure.

Customized Material & Surface Treatment – Carbon steel, stainless steel, alloy steel and other core materials can be combined with rubber, PU, ceramic, hard chrome, PTFE or other suitable surface treatments.

Built Around Your Process – Roller dimensions, shaft configuration, hardness, surface roughness and treatment are customized according to equipment design and operating conditions.

Protection of Copper Foil Surface – A properly engineered roller surface helps provide smooth contact and minimize scratches, marks and other potential surface defects.

OEM Manufacturing Capability – From customer drawings and samples to complete technical specifications, AstraRoll provides customized manufacturing for copper foil production equipment.

Quality Control Before Shipment – Critical dimensions, surface condition and other specified requirements are inspected before delivery to support reliable installation and operation.

FAQ

Q1. What is a submerged roller used for in lithium battery copper foil production?

A: A submerged roller is installed inside a processing tank and operates directly in the treatment solution. In lithium battery copper foil production, it helps guide and transport copper foil through electrolytic, cleaning, roughening, anti-oxidation and other surface treatment processes.

Q2. How does the submerged roller resist corrosion?

A: Corrosion resistance is achieved through the proper combination of roller core material and surface treatment. Depending on the processing environment, options such as stainless steel, alloy steel, rubber, polyurethane, ceramic, hard chrome or PTFE-based treatments can be considered. The suitable solution is selected according to the chemical composition, concentration, temperature and operating conditions.

Q3. Why are surface hardness and surface roughness important for copper foil submerged rollers?

A: The roller operates in continuous contact with the copper foil, so excessive wear, surface roughness or damage may affect foil quality. A properly controlled surface hardness and smooth finish can help reduce wear, scratches and surface marks while maintaining stable copper foil transport.

Q4. What factors should be considered when selecting a submerged roller for copper foil equipment?

A: Key factors include the processing solution, chemical concentration, operating temperature, roller speed, copper foil width and thickness, roller diameter, working length, required surface hardness, surface roughness and shaft configuration. These parameters help determine the appropriate core material and surface treatment.

Q5. Can the submerged roller be customized for existing copper foil production equipment?

A: Yes. The roller can be manufactured according to customer drawings or equipment requirements. Diameter, working length, shaft dimensions, mounting configuration, tolerances, surface treatment, hardness and surface finish can all be customized to match the existing production line.

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.