What Are Sandwich Panel Production Lines?
A sandwich panel production line is a special system for making composite panels. It combines different materials into one strong unit. These panels usually have two outer metal sheets and a core insulation material. They are light but tough. They’re used a lot in construction for walls, roofs, and cold storage buildings. A Sandwich Panel Machine is a tool that joins materials through a series of steps to create panels with specific features and uses.
Workflow of a Sandwich Panel Production Line
The sandwich panel production line works in a clear, automatic way to keep things consistent and fast.
- Feed: Raw materials, like metal sheets and insulation, enter through an unwinding system.
- Pressing: A machine presses the sheet into the right shape and size.
- Glue Coating: Glue is spread on the sheet’s surface to stick materials together.
- Composite: The glued sheet is joined with other materials, like insulation or decorative layers.
- Heating Curing: A heating system hardens the glue to make the panel strong.
- Cooling: The panel cools down to a good temperature for further work.
- Cutting: The panel is cut to the needed length automatically.
- Finished Product Output: A conveyor sends the cut panels out for packing or more processing.
Producible Materials in Sandwich Panel Lines
Common Facing Materials Used
Color Steel Sheets
Steel sheets are popular for their strength and toughness. They resist weather well. They’re often coated to prevent rust.
Aluminum Sheets
Aluminum sheets are light and don’t rust easily. They’re great for projects where keeping weight low is important.
Core Materials for Different Applications
Polyurethane (PU) Foam Core
Polyurethane sandwich panels have great insulation and fire resistance. They’re used for building walls and roofs.
Polyisocyanurate (PIR) Core
PIR cores are like PU but better at resisting fire and keeping heat in. They’re used in buildings needing strict fire safety.
Mineral Wool Core
Rock wool sandwich panels use rock wool as the core. They’re good at blocking sound, keeping heat, and resisting fire. They’re great for walls and roofs in factories or warehouses.
Expanded Polystyrene (EPS) Core
EPS sandwich panels use polystyrene foam as the core. They’re light, insulate well, and block sound. They’re good for building walls and roofs.
Production Speed and Output Capacity
Factors Influencing Production Speed
Several things affect how fast panels are made:
- Type of Line (Continuous vs. Discontinuous): Continuous lines work without stopping, making more panels than discontinuous lines, which need manual changes between runs.
- Material Properties and Thickness Variations: Thicker or heavier core materials may need slower speeds for longer curing or more pressure during joining.
Typical Output Rates for Industrial Lines
- Production Speed: The sandwich panel machine runs at 0–0.45m/s. The speed can be adjusted to fit production needs.
- Output: The amount depends on the line setup, panel thickness, and width. Exact numbers depend on the machine model and conditions.
Machine Composition in a Sandwich Panel Line
Key Machinery Components and Their Functions
Decoiler Unit and Roll Forming Machine
- Uncoiling System: Unwinds and sends raw materials to the line.
- Molding Machine: Shapes the sheet into the right size and form.
Heating and Adhesive Application System
- Adhesive Coating System: Spreads glue on the sheet’s surface.
- Heating Curing System: Hardens the glue to make the panel strong.
Laminating Press Section
This part presses all materials together tightly before curing starts.
Cutting Unit (Flying or Stationary Cutter)
- Cutting System: Cuts the panel to the right length.
Stacking and Packaging System
- Conveyor System: Moves finished panels to the next step.
Control systems are key throughout. They watch and manage the whole process to keep production fast and panels high-quality.
Quality Control Measures in the Production Line
Quality checks use sensors at every step—from feeding materials to cutting. They spot issues with thickness, bonding, or alignment. Advanced PLC control systems keep everything steady during production.
Buy Sandwich Panel Production Line from Hebei Liming Stamping Form Machine Co., Ltd
Hebei Liming Stamping Form Machine Co., Ltd offers full solutions for customers worldwide. With 28 years of experience, they make high-quality roll forming machines. Their sandwich panel machines use advanced automation and can be adjusted for specific needs.
Their systems include decoilers, roll formers, adhesive applicators, heating/cooling units, cutters, and conveyors. They use imported PLC control systems for precise work. These machines make composite panels efficiently, helping clients in construction or refrigeration industries boost productivity.
Their technical details include:
- Maximum production speed: 6m/min
- Total power consumption: 300kw
- Control voltage options: 24V, 110V, 220V
- Air supply pressure requirement: 0.7 Mpa
Contact them via phone or email on their website for consultations or quotes.
FAQ
How do I choose the right machine?
A good supplier offers more than just photos. They should provide assembly videos, show how the machine works, and offer global after-sales support.
Can you make custom machines not shown on your site?
Yes. Hebei Liming creates custom solutions based on project needs for clients worldwide.
What’s your build time?
Build time depends on how complex the machine is. It follows timelines agreed upon during planning.
Why might your prices be higher than others?
Higher prices reflect better quality with imported control systems. This saves money over time with less downtime and maintenance.
Do you offer after-sales service?
Yes. Hebei Liming provides global technical support, including training, either remotely or on-site, depending on location.
How can I get a quote?
Contact them at +86 17761521505 or email admin@chinaformingmachine.com with your needs. Their engineers will make a custom proposal for you.
