PC Hollow Sheet Extrusion line

PC hollow sheet extrusion line is a production setup that creates lightweight, durable polycarbonate sheets with hollow structures. It involves melting polycarbonate pellets, extruding them into the desired shape, and cooling them to form sheets commonly used in roofing, glazing, and other applications.

PC Hollow Sheet Extrusion line Features and applications:

PC hollow sheets offer diverse applications such as roofing for greenhouses and skylights, glazing for building windows, signage for outdoor displays, office partitions as lightweight barriers, protective covers for machinery, effective lighting fixtures, and large aquarium panels for clear views. The extrusion machine used to produce these sheets features precise temperature control for consistent melting, a high-output extruder for uniform mixing, and customizable dies for various profiles. Additionally, it includes advanced cooling systems for rapid solidification and automatic cutting and stacking mechanisms, enhancing productivity, versatility, and overall product quality.

PC hollow and solid sheets offer numerous advantages for various applications:

1. Lightweight: Half the weight of ordinary glass, making handling and installation easier, especially for tall buildings.
2. Transparency: Provides excellent clarity and surface gloss, with color options that soften sunlight.
3. Sound Insulation: Effectively reduces noise, suitable for highway sound barriers.
4. Heat Transfer: Lower thermal conductivity than glass, minimizing heat loss, making it environmentally friendly.
5. Impact Resistance: Exceptional durability and impact resistance, maintaining integrity over a wide temperature range.
6. Anti-Condensation: Prevents condensation under specified temperature and humidity conditions.
7. Flame Retardant: Achieves B1 fire resistance, self-extinguishing and emitting no toxic gases.
8. Chemical Resistance: Resists various acids and oils at room temperature, though susceptible to alkalis.
9. Cold Bending Installation: Flexible for heat and cold resistance.

Overall, these properties make PC sheets ideal for construction and other applications.

Technical specification:

Model Item	Specification and advantage
20/30 Single Screw Extruder 45/30 Single Screw Extruder (for UV Coating)	Max Output: 400 kg/h Motor Power: 132 kW DC Motor (Siemens) Speed Control: ABB Inverter Material: 38CrMoAlA Surface Treatment: Nitrided and Polished Rotation Speed: 20–90 r/min Advantage: High output and efficient processing capabilities. Max Output: 50 kg/h Motor Power: 15 kW AC Motor (Siemens) Speed Control: ABB Inverter Material: 38CrMoAlA Surface Treatment: Nitrided and Polished Rotation Speed: 20–90 r/min Advantage: Designed specifically for UV coating applications.
Melt Pressure Pump	Filter Plate Material: 38CrMoAl Diameter of Filter Plate: 150 mm Change Type: Hydraulic Cylinder Hydraulic Station Power: 2.2 kW Hydraulic Station: Two Station Advantage: Efficient pressure control for consistent melt flow.
Extrusion T Die	Mould Width: 800 to 2100 mm Max Thickness: 4 to 10 mm Advantage: Versatile die for various sheet thicknesses.
Shaping Mould Calibrating Platform	Structure: Welded, adjustable height Shaping Moulds: Polished, chromated, and latest design improvements Advantage: Enhanced precision and ease of use.
Haul-Off Machine (5 to 6 Groups)	Pulling Rollers: 6 pairs, Φ250*2300 mm Control: Pneumatic Driving Motor: 7.5 kW, with ABB Inverter Haul-Off Speed: 0–10 m/min Advantage: Reliable operation with adjustable speed.
Oven	Specifications: 2200 x 5000 mm Advantage: Efficient heating for optimal processing.
Lamination Film Device	Stations: Two Advantage: Allows for efficient film application.
Two Group Haul-Off Machine	Haul-Off Speed: 0–10 m/min Advantage: Flexible and efficient handling of products.
Cutter	Support: Two adjustable rollers before, four behind the knife Cutting Length: 2100 mm Control: AC motor driven by ABB Inverter Advantage: Precise and temperature-controlled cutting process.

These specifications highlight the capabilities and efficiencies of each machine component in the extrusion line, making it suitable for various production needs.

What is a PC Hollow Sheet Extrusion Line?

PC Hollow Sheet Extrusion Line is a specialized production system used to manufacture polycarbonate (PC) hollow sheets, which are widely used in applications requiring strong, lightweight, and transparent materials. These sheets consist of multiple layers or hollow chambers that provide excellent thermal insulation, UV resistance, and impact strength.

Polycarbonate Hollow Sheet Machine Features

• • High Extrusion Capacity: Efficient extruder for high throughput, allowing for customized sheet thickness, width, and length.
  • Multi-layer Die Design: Creates multi-layer hollow sheets for improved insulation with uniform cell structure.
  • Automatic Temperature Control: Ensures precise heating and cooling for consistent sheet quality.
  • Continuous Production & Cutting: Allows continuous extrusion with automatic cutting for precise sheet lengths.
  • Durability & Impact Resistance: Handles polycarbonate for strong, impact-resistant sheets; some machines apply UV coating for added weather resistance.
  • User-Friendly Control Panel: Features touchscreen interface and automated controls for easy operation and monitoring.
  • Vacuum & Haul-off System: Ensures proper sheet thickness and shape with vacuum calibration and consistent pulling speed.

Applications of Hollow Polycarbonate Sheets

• • Roofing and Cladding: Used in greenhouses, skylights, industrial roofing, and outdoor covers for their light diffusion, insulation, and UV resistance.
  • Construction and Architecture: Applied in building facades, partition walls, and soundproofing for their strength and insulation properties.
  • Signage and Advertising: Ideal for billboards, backlit signs, and outdoor advertising due to their durability and light transparency.
  • Automotive and Transport: Used in vehicle windows, bus roofs, and transport trailers for impact resistance and lightweight properties.

Advantages of PC Hollow Sheet Production

• • Lightweight and Durable: Offers a strong-to-weight ratio, making it easy to handle and install while being highly impact-resistant.
  • Excellent Insulation: Provides thermal and sound insulation, improving energy efficiency and noise reduction.
  • UV Resistance: The UV-resistant coating ensures long-lasting durability and prevents yellowing.
  • Light Diffusion: Allows natural light transmission while diffusing light evenly, ideal for greenhouses and skylights.

Customizing PC Hollow Panel Manufacturing Line

Customizing a PC hollow panel manufacturing line involves tailoring the production process, equipment, and parameters to meet specific product requirements and production goals. By optimizing these factors, manufacturers can enhance efficiency, improve product quality, and address

Hollow Polycarbonate Sheet Production Process

• • Raw Material Preparation: Polycarbonate resin pellets are mixed with additives like UV stabilizers and colorants.
  • Extruder Setup: The pellets are fed into an extruder, where they are melted and mixed by the twin-screw system.
  • Extrusion Process: The molten polycarbonate passes through a customized die to form hollow sheets, with optional multi-layer dies for added insulation.
  • Cooling and Calibration: The sheet is cooled using water or air, followed by vacuum calibration to ensure uniform thickness and shape.
  • Haul-Off and Tension Control: The sheet is pulled through a haul-off system to maintain consistent speed and tension, ensuring flatness.
  • Cutting and Length Control: The sheet is automatically cut to the required length with precision.
  • Surface Treatment: Optional UV or anti-scratch coatings are applied to enhance durability.
  • Quality Control and Inspection: Sheets undergo visual, dimensional, and mechanical tests to meet quality standards.
  • Packaging and Shipping: The final sheets are bundled, labeled, and shipped to customers.

Polycarbonate Hollow Sheet Applications

• • Roofing and Cladding: Used in skylights, industrial roofing, and greenhouses for light transmission, insulation, and UV protection.
  • Construction and Architecture: Ideal for facades, partition walls, and sound barriers due to their strength and insulation properties.
  • Agricultural Applications: Common in greenhouses and cold frames to protect plants while allowing sunlight and maintaining temperature.
  • Signage and Advertising: Used in outdoor signage and illuminated signs for light diffusion and durability.

Benefits of Polycarbonate Hollow Sheets

• • lightweight: Easy to handle, transport, and install, reducing labor costs.
  • High Impact Resistance: Durable and suitable for environments requiring strength.
  • Thermal Insulation: Provides excellent temperature control, reducing energy costs.
  • UV Protection: Prevents yellowing and degradation, ensuring long-lasting performance.
  • Light Diffusion: Allows natural light to pass through evenly, reducing glare.

Understanding Polycarbonate Hollow Sheet Prices

• • Thickness and Size: Thicker and larger sheets are generally more expensive.
  • Type of Polycarbonate: Multi-wall sheets and those with UV protection cost more.
  • Surface Treatments: Sheets with special coatings (e.g., anti-scratch, anti-glare) add to the price.
  • Brand and Manufacturer: Well-known brands may charge more for higher quality.

PC Panel Extrusion Equipment Maintenance

• • Regular Cleaning: Clean the extruder barrel, screw, die, and cooling system to prevent blockages and ensure consistent extrusion quality.
  • Lubrication: Regularly lubricate moving parts like the screw, gearbox, and motors to reduce wear and ensure smooth operation.
  • Temperature Control: Monitor heating elements and temperature sensors for accurate temperature regulation during extrusion.
  • Extruder Calibration: Check alignment, speed, and pressure settings to maintain uniform panel quality.