logo
vr
Quality High-Precision Knife-Over-Roll Coating Line for XPS Boards with Customizable Width (600-2400mm) and Coating Thickness (±0.05mm) factory
<
Quality High-Precision Knife-Over-Roll Coating Line for XPS Boards with Customizable Width (600-2400mm) and Coating Thickness (±0.05mm) factory
Quality High-Precision Knife-Over-Roll Coating Line for XPS Boards with Customizable Width (600-2400mm) and Coating Thickness (±0.05mm) factory
Quality High-Precision Knife-Over-Roll Coating Line for XPS Boards with Customizable Width (600-2400mm) and Coating Thickness (±0.05mm) factory
Quality High-Precision Knife-Over-Roll Coating Line for XPS Boards with Customizable Width (600-2400mm) and Coating Thickness (±0.05mm) factory
Quality High-Precision Knife-Over-Roll Coating Line for XPS Boards with Customizable Width (600-2400mm) and Coating Thickness (±0.05mm) factory
>

High-Precision Knife-Over-Roll Coating Line for XPS Boards with Customizable Width (600-2400mm) and Coating Thickness (±0.05mm)

High-Precision Knife-Over-Roll Coating Line for XPS Boards with Customizable Width (600-2400mm) and Coating Thickness (±0.05mm)
High-Precision Knife-Over-Roll Coating Line for XPS Board Surface Leveling This customizable XPS board knife coating line is specifically engineered for applying uniform, precise layers of cementitious mortars, polymer-modified coatings, acrylic renders, primers, or adhesives onto XPS (extruded ...
Place of Origin:CHINA
Brand Name:OSMANUV
Certification:ISO9001
Model Number:OSMANUV
Minimum Order Quantity:1 SET
Price:Negotiation
Product Custom Attributes
Highlight

Customizable Width Knife-Over-Roll Coating Line

,

High-Precision Coating Thickness XPS Board Coating Machine

,

Knife-Over-Roll Method UV Coating Machine

Coveyor Power:
0.75kw Or 1.5kw
Controlsystem:
PLC Touch Screen
Machine Name:
Smart Home UV Coating Machine Line
Coating Durability:
High Durability
Electric Box:
Independent Electric Box
Total Power:
37 Kw
Coating Material:
Various Materials
Electric Roller:
164mm*1450mm
Product Description
High-Precision Knife-Over-Roll Coating Line for XPS Board Surface Leveling
This customizable XPS board knife coating line is specifically engineered for applying uniform, precise layers of cementitious mortars, polymer-modified coatings, acrylic renders, primers, or adhesives onto XPS (extruded polystyrene) rigid foam boards. Available in high-precision leveling, stucco-ready mortar, and industrial continuous production configurations.
Unlike spray or roller coating, the knife-over-roll method achieves >95% transfer efficiency with minimal material waste, eliminating overspray—this is especially critical for XPS substrates, which are sensitive to solvent attack. Excess high-viscosity coating is recirculated back to the supply tank, delivering 35-45% material savings compared to spraying.
The system is fully customizable in coating width, thickness range, blade type, board thickness accommodation (3-200mm), and XPS density handling (25-50kg/m³).
Working principle: XPS boards are fed through a precision backing roller, where a doctor blade (comma blade or straight scraper) applies a controlled wet coating layer. The coated boards then pass through a low-temperature drying tunnel (≤60°C to prevent foam deformation), followed by cooling and stacking. The system effectively fills surface pores, hides foam texture, and creates a smooth base for exterior insulation finishing systems (EIFS), decorative renders, or protective layers.
Technical Parameters
Parameter High-Precision Leveling Model Stucco-Ready Mortar Model Industrial Continuous Model
Max board width (customizable) 600 - 1200 mm 600 - 2400 mm 600 - 2400 mm
Board length (customizable) Unlimited (continuous) 800 - 3000 mm Unlimited (continuous)
Board thickness range (customizable) 3 - 80 mm 10 - 120 mm 10 - 200 mm
Coating method Knife-over-roll (doctor blade) Knife-over-roll Knife-over-roll
Wet coating thickness (customizable) 0.5 - 10 mm (±0.1mm) 0.3 - 5.0 mm (±0.05mm) 0.5 - 10 mm (±0.1mm)
Coating uniformity ±3% across full width ±3% across full width ±3% across full width
Coating speed (customizable) 1 - 20 m/min 2 - 30 m/min 2 - 30 m/min
Material transfer efficiency 95% - 98% 95% - 98% 95% - 98%
Coating viscosity range 100 - 100,000 cP 2000 - 25,000 cP 100 - 100,000 cP
Blade type (customizable) Hardened steel / Tungsten carbide Round-edge / Straight bevel Hardened steel / Tungsten carbide
Backing roller material (customizable) Rubber-coated / PU Silicone (soft) / EPDM (hard) Silicone / EPDM
Drying method (customizable) Hot air / IR (≤60°C) IR + low-temp air (≤55°C) Hot air / IR multi-zone
Control system PLC + HMI touchscreen PLC + HMI touchscreen PLC + HMI touchscreen
Power supply (customizable) 380V/415V, 50/60Hz, 3-phase 380V, 50/60Hz, 3-phase 380V/415V, 50/60Hz, 3-phase
Typical application Primer, smooth leveling coat EIFS base coat, anti-skid coating Large-scale building panels
Applications
  • Exterior wall insulation (EIFS): Base coat adhesive mortar onto XPS insulation boards for external facade systems
  • Anti-skid walkable surfaces: Roof insulation, parking decks requiring slip-resistant coatings
  • Fire-retardant intumescent layer: Building code compliance coatings
  • Decorative panels: Colored acrylic renders, faux wood/stone pattern bases
  • Underfloor heating boards: Leveling coat for flooring underlayment
  • Adhesion promoter primer: For cementitious renders and tile adhesives
  • Moisture barrier & UV protection: Temporary or exposed storage coatings
Customization Options
This XPS board coating line is highly customizable to meet your specific production requirements:
  • Coating width: From 600mm up to 2400mm - fully customizable blade and tooling
  • XPS board size: Thickness 3-200mm, length unlimited - customizable roller gap and conveyor support
  • Coating thickness range: 0.2mm to 15mm wet films - customizable blade gap mechanism
  • Blade type: Flexible steel blade, rigid square-edge blade, carbide-tipped wear-resistant blade, or adjustable two-blade scraper system
  • Blade gap control: Manual micrometer, servo-driven, or pneumatic floating mode (for warped or soft boards)
  • Backing roller hardness: Softer silicone roller for low-density XPS (25kg/m³) to prevent crushing; harder EPDM for high-density boards
  • Coating type compatibility: Cementitious, polymer, gypsum, acrylic, epoxy, PU, or sand-filled/fiber-reinforced formulations
  • Surface pre-treatment: Flame, corona, or plasma module to improve coating adhesion on low-surface-energy XPS
  • Drying profile: Customizable low-temp IR + ambient zoning (no foam deformation)
  • Single-side vs. double-side coating: Inline flip station or dual-head configuration
  • Edge masking: For leaving dry adhesive edge for thermal break
  • Automation level: Manual feed to fully automated XPS stack-to-stack line
  • Integration: Customizable connection with upstream XPS extrusion lines or downstream cutting/packaging equipment
Key Features
  • High material efficiency: Up to 45% material saving vs. spray or roller - no overspray, scraped excess recirculated >95%
  • Gentle on XPS surface: Soft backing roller protects foam; knife blade only contacts coating paste, preventing crushing or solvent attack
  • Precise thickness control: Micrometer-controlled blade gap enables high-precision coating with ±0.05-0.1mm tolerance
  • Handles sand-filled & fiber-reinforced coatings: Carbide blade + open-gear or screw pump - no clogging
  • No atomization: Zero VOC mist, cleaner working environment, lower environmental compliance burden
  • Quick blade change: <5 minutes for different coating profiles
  • Accommodates warped boards: Floating blade design adapts to slightly uneven XPS surfaces
  • Low drying cost: Thin, controlled layer cures faster than thick spray coats - reduced energy consumption
  • Robust construction: Heavy-duty steel frame, corrosion-resistant surfaces for 24/7 operation
  • PLC control with recipe storage: One-touch settings for different coating types; data logging and remote diagnostics capability
Support and Services
  • Free process consultation - send your XPS boards and coating material for trial coating
  • Custom layout design for your production floor
  • On-site installation and commissioning (customizable support packages)
  • Operator training program included
  • Remote troubleshooting via video call, IoT monitoring, or network central controller
  • 18-month warranty on main machine, 12-month on electrical parts
  • Spare parts availability from regional warehouses
  • Lifetime technical support via phone, email, or chat
Packing and Shipping
  • Packing: Anti-rust film + reinforced wooden case for main body and control cabinet; foam padding for fragile components
  • Standard model lead time: 30-40 days after order confirmation
  • Custom configuration lead time: 30-60 days (longer for custom widths or dual-head configurations)
  • Shipping: FOB Shanghai / CIF by sea, air, or rail
  • Customizable: Export crating, custom labeling, destination port documentation
Frequently Asked Questions
Q1: How much material can I save compared to spraying plaster onto XPS?
A: Typically 35-45% for medium-viscosity plasters. Spraying wastes 30-50% as overspray + bounce-back from rigid foam. Knife coating recirculates >95% of excess. We provide a customizable free test with your XPS and coating before order.
Q2: Will the knife coater crush or deform soft XPS boards (e.g., 25kg/m³)?
A: No. The backing roller is customizable (soft silicone) and the blade gap can be set to a floating mode. Nip pressure is adjustable. For very soft boards, we add a rigid backplate support.
Q3: My coating contains sand or short fibers. Can the machine handle that?
A: Yes. We use a customizable carbide blade (wear-resistant) and an open-gear or screw pump (not a close-tolerance gear pump). Filters are coarser or removable. Recovery trough has a screen to separate large particles before recirculation.
Related Products
  • Quality Precision Slit Coating Machine Uniform Coating Weight Adjustable Die factory

    view more

    Precision Slit Coating Machine Uniform Coating Weight Adjustable Die

    Precision Slit Coating Machine Uniform Coating Weight Adjustable Die Product Overview Currently, many coating manufacturers use both roller and slot die coating processes. The slot die coating system offers distinct advantages as a closed system that pre-meters coating material through a precision ...

  • Quality Automatic Uv Coater Machine , W1300mm Spray Paint Production Line factory

    view more

    Automatic Uv Coater Machine , W1300mm Spray Paint Production Line

    Automatic UV Coater Machine, W1300mm Spray Paint Production Line 4KW Automatic UV Coating Machine Spray Paint Production Line W1300mm High-performance automatic UV coating system designed for efficient spray paint production lines. Glue System 1 Adopt special automatic spray gun and fuel supply ...

  • Quality Uv Varnish Machine Ultraviolet Rays Coating Line ISO9001 L10000mm factory

    view more

    Uv Varnish Machine Ultraviolet Rays Coating Line ISO9001 L10000mm

    UV Varnish Machine Ultraviolet Rays Coating Line ISO9001 L10000mm ISO9001 L10000mm UV Coating Machine Ultraviolet Rays Coating Line Infrared Flat Coating Line 1 Effective leveling width: 1320mm 2 Conveyor belt: Adopt chain stainless steel string rod type 3 Transmission system: The transmission motor ...

  • Quality Integrated Board Line UV Coating Machine 1500mm Spray Gun 380VAC factory

    view more

    Integrated Board Line UV Coating Machine 1500mm Spray Gun 380VAC

    Integrated Board Line UV Coating Machine 1500mm Spray Gun 380VAC Product Overview The 380VAC Integrated Board Line UV Coating Machine with 1500mm Spray Gun is designed for surface coating processes on film and paper substrates. This advanced machine applies functional glue, paint, or ink coatings to ...

  • Quality Spot Grass Green UV Coating Line / Auto Print Uv Machine ISO9001 1320mm factory

    view more

    Spot Grass Green UV Coating Line / Auto Print Uv Machine ISO9001 1320mm

    Spot Grass Green UV Coating Line / Auto Print UV Machine ISO9001 1320mm ISO9001 1320mm Spot Grass Green Infrared IR Tube UV Coating Line 1 Conveyor belt: Adopt chain stainless steel string rod type 2 Transmission system: The transmission motor adopts Taiwan TWT gear reducer 3 Control system: Adopt ...

  • Quality Electrostatic spraying machine For Digital Print , 80mm Thick Digital Spot Uv Coater 22KW factory

    view more

    Electrostatic spraying machine For Digital Print , 80mm Thick Digital Spot Uv Coater 22KW

    Electrostatic Spraying Machine For Digital Print, 80mm Thick Digital Spot UV Coater 22KW Product Overview Application Suitable for coatings such as calcium silicate board, cement fiber board, steel plate and new building materials surface spraying real stone paint, water-in-water nano-color glaze, ...

  • Quality Digital Spot Uv Coating Machine Spray Paint 380VAC W1300mm factory

    view more

    Digital Spot Uv Coating Machine Spray Paint 380VAC W1300mm

    Digital Spot UV Coating Machine Spray Paint 380VAC W1300mm Product Overview 380VAC W1300mm Spray UV Coating Machine Spray Paint Production Line designed for high-performance surface coating applications. Key Features 1 Suitable for coatings on calcium silicate board, cement fiber board, steel plate ...

  • Quality PLC Program Uv Roller Coating Machine Spot Coater factory

    view more

    PLC Program Uv Roller Coating Machine Spot Coater

    PLC Program UV Roller Coating Machine Spot Coater ISO9001 1320mm PLC Program UV Roller Coating Machine Spot Coater This advanced coating machine delivers precision and efficiency for industrial surface treatment applications. Key Features & Specifications Application Range Suitable for reciprocating ...