Shanghai Duwell Industrial Co., Ltd.
Shanghai Duwell Industrial Co., Ltd.

Polyurethane Sandwich Panel Production Line

The Duwell Polyurethane Sandwich Panel Production Line is an advanced and fully automated system designed for manufacturing high-quality insulated sandwich panels with excellent thermal performance and structural strength. The panels consist of two metal sheets (steel or aluminum) and a rigid insulation core such as polyurethane (PU), PIR, or rock wool, making them ideal for industrial, commercial, and agricultural buildings.

Designed for continuous and stable operation, this sandwich panel production line ensures accurate thickness control, strong bonding between metal skins and insulation core, and consistent surface quality. It is suitable for large-scale insulated panel manufacturing projects with high requirements for efficiency and product uniformity.


  • Duwell Polyurethane Sandwich Panel Manufacturing Line
  • Duwell Polyurethane Sandwich Panel Machine
  • Duwell PU Sandwich Panel Machine
  • Duwell Polyurethane Sandwich Panel Production Line
  • Duwell Polyurethane Sandwich Panel Manufacturing Line
  • Duwell Polyurethane Sandwich Panel Machine
  • Duwell PU Sandwich Panel Machine
  • Duwell Polyurethane Sandwich Panel Production Line

Production Capability & System Features of Duwell PU Sandwich Panel Machine

This production line functions as a complete polyurethane sandwich panel manufacturing line, integrating roll forming, high-pressure foaming, heating conveyor, panel curing, and servo cutting into one continuous process. The optimized line structure guarantees stable foaming performance and reliable panel quality during long-term operation.


By adjusting the forming and side-stop modules, the same polyurethane sandwich panel line can produce panels with different thicknesses and profiles, providing flexibility for various building and insulation requirements.


TECHNICIAN DETAILS of Polyurethane Sandwich Panel Production Line

Main specification:

  • According to customer's sandwich panel profile

  • Whole line length:  approx. 80 meters

  • Decoiler: Hydraulic Uncoiler

  • Forming station: According to required sandwich panel

  • Driving type: chain transmission

  • Main motor power: 7.5KW x 2 sets

  • 30m belt conveyor with heating and side guide device

  • Control system: Delta control system

  • Cutting type: Servo following saw cutting

  • Cutting machine: flying saw cutting with servo motor"

  • Panel thickness: 30mm~100mm( according to requirement)

  • Whole line working speed: 6-8m/min

  • Run out: 6m run out table

  • Foam injection machine: High pressure foaming machine


Applications Of Duwell Polyurethane Sandwich Panel Line

  • Industrial plants and workshops

  • Commercial buildings

  • Cold storage and logistics centers

  • Agricultural buildings and warehouses


The polyurethane sandwich panel line is especially suitable for projects requiring high insulation efficiency, fast installation, and long service life.


Q & A Of Polyurethane Sandwich Panel Production Line

  • Does the line include a foam injection machine?

    Yes, this is a complete polyurethane sandwich panel production line, including a high-pressure foam injection machine.

  • Can I change the sandwich panel thickness?

    Yes, different panel thicknesses can be produced on the same sandwich panel production line by changing the side stop module parts.

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