Lithium Battery Coating Machine Idler Roller

AstraRoll's Lithium Battery Coating Machine Idler Rollers are high-precision components specifically engineered for the delicate process of electrode slurry coating. Crafted from premium aluminum alloy or carbon fiber, these rollers are optimized for ultra-low rotational inertia to prevent substrate slipping or wrinkling during high-speed operations. Each roller undergoes rigorous dynamic balancing to ensure smooth moving and consistent web tension. By providing a stable, vibration-free surface, our rollers help manufacturers achieve a uniform coating thickness, which is critical for high-quality battery cell production.

Technical Parameter

Main Material: High-grade Aluminum Alloy (6061-T6) / Carbon Fiber / Stainless Steel

Surface Treatment: Hard Anodized (HV700), Ceramic Coating, or Teflon Coating (Non-stick & Anti-static)

Surface Roughness: Ra 0.2μm – Ra 0.8μm (Precision Ground/Mirror Polished)

Dynamic Balance: ISO G1.0 / G2.5 Standard for Smooth Driving

Concentricity: ≤ 0.02mm

Inertia Level: Ultra-Low Inertia for delicate copper/aluminum foil handling

Compliance: Copper & Zinc-Free (Strictly for Lithium Battery Cleanrooms)

Application Scenarios and Industries

Lithium-ion Battery Manufacturing: Core support for anode/cathode coating lines and separator film processing.

Precision Thin-Film Coating: Ideal for optical films, solar cells, and flexible electronics.

High-Speed Converting: Used in slitting and rewinding machines requiring smooth moving stability.

Cleanroom Environments: Specifically designed for industries requiring zero metallic contamination.

Why choose AstraRoll's Lithium Battery Coating Machine Idler Roller ?

Extreme Precision for Uniform Coating: Our rollers are machined to micro-level tolerances, ensuring a flat and stable substrate path to eliminate coating defects.

Superior Surface Protection: The high quality surface treatments provide exceptional driving quiet wear resistance, protecting both the roller and the sensitive battery foils.

Optimized Tension Control: The lightweight design and low-friction bearing assembly support a higher loading capacity while maintaining the sensitivity needed for thin-foil handling.

Contamination-Free Guarantee: We strictly adhere to industry standards by offering Copper-free and Zinc-free rollers to ensure zero contamination of active battery materials.

Tailored Engineering: Furthermore, our idler rollers are fully customizable to meet the specific width, diameter, and mounting requirements of various coating systems.

FAQ

Q: How do you ensure the rollers don't damage thin copper or aluminum foils?

A: We use ultra-low inertia designs and precision-balanced bodies to ensure the roller starts and stops in perfect sync with the foil, achieving smooth driving without friction-induced scratches.

Q: Are your rollers compatible with high-temperature drying ovens?

A: Yes. We offer specialized thermal-stable materials and coatings that maintain their structural integrity and driving quiet wear resistance even in continuous heating environments.

Q: Can you provide specific surface textures to prevent air-entrainment?

A: Certainly. We can apply various grooving patterns (such as spiral or herringbone) to the high quality surface to discharge air and maintain a strong grip at high speeds.

Q: Do you offer customization for different machine brands?

A: Yes. Our idler rollers are fully customizable to interface seamlessly with various models of coating machines, ensuring a perfect fit for your existing equipment.

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.