Precision Ceramic Micro-Gravure Roller for Printing and Coating Machines

Micro-gravure coating is designed for applications where a conventional coating roller may transfer too much material or cannot maintain a sufficiently uniform coating thickness.

The AstraRoll Ceramic Micro-Gravure Roller uses precision-engraved cells to pick up and meter a controlled amount of ink, adhesive, resin, or functional coating before transferring it to the moving substrate.

Compared with conventional large-diameter gravure rolls, micro-gravure rollers typically use a smaller diameter and can operate in a reverse or kiss-contact configuration. This makes them particularly suitable for producing thin, smooth and highly controlled coating layers. The reference micro-gravure product specifically uses reverse kiss gravure coating and highlights thin, uniform coatings in electronics, optics, battery and related applications.

A ceramic working surface further improves wear resistance and provides a stable base for precision engraving, making the roller suitable for demanding continuous-production applications.

1. Precise Coating Metering: Precisely engraved cells control the amount of liquid carried by the roller, helping maintain stable coating weight and consistent transfer across the working width.

2. Optimized for Thin, Uniform Coatings: Micro-gravure technology is particularly suitable for applications requiring very thin and even layers. Reverse kiss coating can reduce excessive mechanical contact while supporting smooth coating transfer.

3. Wear-Resistant Ceramic Surface: A hard ceramic working layer provides excellent resistance to abrasion and repeated doctor-blade contact, helping maintain the engraved cell structure during long production cycles.

4. Flexible Cell Geometry: Tri-helical, angled, line, diamond and other engraving structures can be selected according to coating viscosity, required transfer volume and substrate characteristics. Tri-helical cells are specifically used in micro-gravure applications to support stable and uniform thin coatings.

5. Precision Roller Geometry: Concentricity, runout and surface geometry directly affect coating uniformity. Precision machining, grinding and balancing help maintain stable roller rotation and consistent contact across the substrate.

6. Customized to the Coating Process: Roller diameter, face length, line screen, cell volume, engraving angle and ceramic specification can be developed according to coating material, substrate, line speed and required coating thickness.

Roller Type: Micro-Gravure / Ceramic Anilox Roller
Surface: Ceramic Coating
Engraving: Precision Laser Engraving
Cell Pattern: Tri-Helical / Line / Diamond / Custom
Line Screen: Application-specific, customizable
Roller Diameter: Customizable
Face Length: Customizable
Shaft Ends: Customizable

Cell volume, engraving angle, TIR, coating thickness, surface roughness, and balancing requirements can be customized according to the coating process.

Surface Treatment

Ceramic Coating
A wear-resistant ceramic layer provides the hard working surface required for long-term operation and precision cell engraving.

Laser Engraving
Precision laser engraving creates controlled micro-cell structures according to the required coating volume and transfer characteristics.

Precision Grinding & Polishing
Grinding and finishing are used to control roller diameter, runout, and surface condition before or after the engraving process as required.

Functions

Precision Coating Metering
Controls the quantity of ink, adhesive, or functional coating transferred to the substrate.

Thin-Film Coating
Supports uniform application of thin coating layers for high-value film and electronic materials.

Ink & Fluid Transfer
Precisely engraved cells provide repeatable pickup and release of process liquids.

Coating Uniformity Control
Stable roller geometry and cell structure help maintain consistent coating distribution across the web.

Roll-to-Roll Processing
Suitable for continuous coating, printing, and laminating production equipment.

Typical Applications

• Micro-gravure coating machines
• Flexographic printing equipment
• Optical film coating lines
• Protective film production
• Battery separator coating
• Battery electrode functional coating
• Electronic film processing
• Adhesive coating equipment
• Release film coating
• Laminating machines
• Functional coating lines
• Paper and plastic film coating
• High-precision roll-to-roll systems

Why Choose AstraRoll?

1. Precision Roller & Engraving Capability

AstraRoll integrates roller machining, ceramic surface treatment, precision finishing, and engraving for controlled coating applications.

2. Cell Design Matched to Your Process

Line screen, cell volume, engraving angle and pattern can be selected according to coating viscosity, thickness and substrate.

3. Built for High-Precision Continuous Coating

Controlled runout, stable ceramic surfaces and precision cell geometry support repeatable coating performance in roll-to-roll production.

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.