High-Speed Precision Two-Roll Coater for Uniform Coating on Large Panels, Metal Sheets & Glass

 High-Speed Precision Two-Roll Coater for Uniform Coating on Large Panels, Metal Sheets & Glass

(Designed for Production Lines Requiring Consistent Film Thickness and High Throughput)

Composition of Production Line
This integrated system is engineered for continuous, automated operation and typically interfaces with the following line components:

• Uncoiler / Infeed Conveyor: Presents substrates (panels, sheets) at a consistent height and speed.

• Pre-Cleaning / Surface Treatment Station (Optional): Ensures optimal surface energy for coating adhesion.

• Precision Two-Roll Coating Head: The core unit, comprising the precision-ground applicator roll and metering roll.

• Closed-Loop Coating Supply System: Includes reservoir, pump, filter, and recirculation loop for material consistency.

• Drying/Curing Oven (Downstream): For solvent evaporation or UV/thermal curing of the applied coating.

• PLC-Based Central Control Panel: Manages roll speeds, gap, coating viscosity, and synchronization with the main line.

Product Description
Our High-Speed Precision Two-Roll Coater is engineered for demanding industrial applications requiring exceptional film thickness control and finish quality on flat, rigid substrates. Utilizing two counter-rotating rolls (applicator and metering), it precisely meters coating material—paints, primers, lacquers, functional layers—onto the substrate surface. This machine is ideal for applying uniform coatings to MDF/wood panels, composite boards, metal sheets (steel, aluminum), and glass panels with minimal waste and maximum repeatability. Its robust construction and advanced control system make it a highly customizable cornerstone for high-volume production lines in architectural, automotive, and appliance manufacturing.

Technical Parameters

Application

• Architectural Panels: Coating of MDF, HPL, ACM (Aluminum Composite Material) panels.

• Metal Manufacturing: Primer and topcoat application on steel and aluminum sheets for appliances, furniture, and building components.

• Glass Processing: Application of decorative, reflective, or functional coatings on glass panels.

• General Industrial: Coating of composite boards, plastic sheets, and other flat substrates.

Customization
We offer extensive customization to match your exact process:

• Width & Frame: Machine width and structural frame built to your maximum substrate size.

• Roll Configuration: Choice of roll materials (steel, ceramic, silicone, EPDM), surface finishes, and hardness to suit your coating chemistry.

• Coating Supply: Custom pan design, closed-circuit systems, or vacuum return for high-solids or solvent-based materials.

• Integration: Designed to interface seamlessly with your specific drying oven, conveyor system, and factory automation network.

Feature

1. Superior Finish Quality: Precision-ground rolls and adjustable speed ratios enable flawless, uniform coatings without streaks or orange peel.

2. Precise Metering: Independent servo control of both rolls allows exact control over film thickness and material deposition.

3. High Material Efficiency: Reverse metering roll operation minimizes waste and allows for precise application of expensive coatings.

4. Quick Changeover: Tool-less adjustments for roll gap and easy-access pan design facilitate faster product line changes.

5. Robust Construction: Heavy-duty steel frame and industrial-grade components ensure long-term stability and minimal maintenance.

Support and Services

• Application Engineering: Support for process feasibility and parameter optimization.

• Installation & Training: On-site commissioning and comprehensive operator/maintenance training.

• Warranty: 12 months on machinery, excluding consumable rolls.

• After-Sales: Remote technical support, readily available spare parts, and preventive maintenance plans.

Packing and Shipping

• Packing: Major components are crated in custom wooden boxes with waterproof and shock-absorbing materials. Electrical parts are separately packed in sealed boxes.

• Shipping: FOB/CIF terms available. Standard lead time is 8-12 weeks after order confirmation, subject to customization scope.

FAQ

• Q: Can this coater handle UV-curable coatings?
  A: Yes, with customizable roll materials (compatible with UV chemistries) and a closed-loop system to prevent curing in the pan. Integration with a UV oven is typical.

• Q: How is the coating thickness monitored and controlled?
  A: Initially set via micrometer roll gap. For ultimate precision, we offer an optional customization with an inline wet film thickness gauge and automatic gap adjustment system.

• Q: Is it suitable for applying adhesive layers?
  A: Absolutely. The two-roll system is excellent for applying uniform adhesive films. Specific roll surface materials and cleaning systems can be customized for adhesive properties.