PU Sandwich Panel Line With Adjustable Laminating Pressure For Bonding Strength

The polyurethane sandwich panel production line achieves precise control of adhesive strength by integrating an adjustable laminating pressure system, significantly improving product quality and production efficiency. This type of pu sandwich panel line is designed specifically for producing high-quality sandwich panels for construction, refrigeration, and industrial use, and can adapt to composite requirements of different thicknesses, densities, and surface materials.

sandwich panel line

Core technological innovation of pu sandwich panel production line

• Intelligent pressure regulation system
  Multi segment pressure roller system driven by servo motor
  Real time pressure monitoring and feedback mechanism (accuracy ± 0.05MPa)
  AI algorithm that automatically adjusts based on material properties

• Temperature pressure coordinated control
  Three stage heating zone combined with corresponding pressure curve
  Infrared temperature measurement and pressure interlocking system
  Dynamic matching technology between polyurethane foaming reaction and pressure change

The main components of the pu sandwich panel manufacturing line

• Automatic feeding system
  Dual station coil automatic switching device
  Surface pretreatment unit (cleaning, corona treatment)
  A feeding mechanism with tension control accuracy of ± 1N

• Polyurethane mixing and pouring station
  High pressure foaming machine (mixing ratio error<0.5%)
  Multi channel swinging pouring head
  Raw material constant temperature system with temperature control accuracy of ± 0.5 ℃

• Laminated molding area
  12 sets of independently adjustable pressure roller units
  Maximum working pressure range: 0.2-10MPa
  Uniformity of pressure distribution>95%

• Curing and curing section
  Gradient temperature control (adjustable between 30-80 ℃)
  Forced convection system with adjustable wind speed
  Online thickness monitoring and feedback

• Cutting and Stacking System
  Servo driven CNC flying saw (accuracy ± 0.3mm)
  Automatic flipping stacking manipulator
  Waste edge recycling device

The polyurethane sandwich panel line represents the advanced level of polyurethane sandwich panel manufacturing, providing high-performance composite material solutions for fields such as building energy conservation and cold chain logistics through precise control of lamination pressure and optimization of bonding processes.