High-Precision Hard Chrome Plated Roller

AstraRoll's Hard Chrome Plated Rollers are the industry benchmark for applications requiring extreme surface hardness and peak precision. By applying a heavy-duty industrial chrome coating to a high-strength steel or aluminum core, we create a surface that is virtually impervious to abrasion and chemical corrosion. This makes our rollers essential for the smooth moving of delicate foils, films, and substrates in high-speed production environments.

Every roller is precision-ground and dynamically balanced to support a higher loading capacity while maintaining strict concentricity. The ultra-smooth surface finish results in exceptional driving quiet wear resistance, ensuring that your production line operates with minimal friction and zero material marking. Whether in a lithium-ion battery coating line or a high-end printing press, AstraRoll ensures consistent and vibration-free smooth driving.

Technical Parameter

Core Material: Carbon Steel, Alloy Steel, or 6061-T6 Aluminum

Surface Treatment: Industrial Hard Chrome Plating (Thickness: 0.03mm - 0.15mm)

Surface Hardness: HRC 60 – 65 / HV 800 – 1100

Surface Roughness: Super-mirror finishing (≤0.1μm) or Matte finishing

Concentricity / TIR: ≤0.01mm to 0.02mm for high-precision smooth moving

Dynamic Balance: ISO G1.0 Standard for vibration-free smooth driving

Loading Capacity: Engineered for higher loading capacity in heavy-tension lines

Application Industrial

Lithium & Sodium Battery Manufacturing: Precision guiding for electrode coating, slitting, and winding.

Optical Film & Lamination: Scratch-free transport of PET, BOPP, and electronic functional films.

Metal & Foil Converting: High-tension handling of aluminum foil, copper foil, and thin metal sheets.

Precision Printing: High-speed ink transfer and substrate guiding in flexo and rotogravure presses.

Paper & Textile Milling: Durable transport rollers requiring driving quiet wear resistance against fibers.

Why choose AstraRoll's Hard Chrome Plated Roller?

Extreme Surface Durability: Our high quality hard chrome layer offers superior hardness, protecting the roller from scratches and ensuring driving quiet wear resistance over millions of cycles.

Ultra-High Precision: With a TIR of  ≤0.01mm, our rollers facilitate perfectly smooth moving, which is critical for maintaining consistent tension in thin-film applications.

Superior Corrosion Resistance: The dense chrome coating resists oxidation and chemical erosion from battery slurries and solvents, ensuring a long service life.

Optimized for Heavy Loads: Every roller is structurally reinforced to support a higher loading capacity, maintaining perfect alignment even under maximum web tension.

Seamless Automation Integration: Furthermore, our hard chrome rollers are fully customizable to interface seamlessly with various models of motors, reducers, and encoders for advanced motion control.

FAQ

Q: What surface roughness (Ra) can you achieve for delicate films?

A: We specialize in mirror-polishing and can achieve a surface roughness of $Ra \leq 0.1\mu m$. This ensures smooth moving and prevents any micro-scratches on high-value substrates.

Q: Will the chrome layer peel or flake under high-pressure applications?

A: No. We use a proprietary multi-stage plating process that ensures an atomic bond between the chrome and the core material, providing high quality adhesion even under a higher loading capacity.

Q: Can you customize the shaft ends to match my existing machinery?

A: Absolutely. Our rollers are fully customizable to interface seamlessly with various models of motors and specialized mounting brackets, ensuring a perfect drop-in replacement.

Q: How do you ensure the rollers remain stable at high RPMs?

A: Each roller undergoes high-speed dynamic balancing to ISO G1.0 standards. This eliminates vibration, resulting in driving quiet wear resistance and ultra-stable smooth driving.

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.