High Precision PU Sandwich Panel Making Machine Supplier In China

Sinowa is a supplier of high precision pu sandwich panel making machine in china, the high-precision polyurethane sandwich panel manufacturing machine is an automatic equipment system specially used to produce polyurethane (pu) sandwich composite panels. it combines metal panels (usually color steel plates or stainless steel plates) with polyurethane foam cores through a continuous production process.

sandwich panel machine

The high-precision pu sandwich panel making machine represents the high-end technology in the field of building materials manufacturing, capable of producing building panels with excellent insulation performance, high strength to weight ratio, and outstanding fire resistance characteristics.

Sinowa high-precision sandwich panel manufacturing machine adopts modular design, usually consisting of panel feeding system, surface pretreatment device, foam forming section, composite pressure zone, automatic cutting system, and finished product stacking device. The entire system can reach a length of 50-100 meters and is controlled by PLC or industrial computer to achieve fully automated continuous production. The daily output can reach 5000-10000 square meters.

Core components and technical characteristics

• Panel pre-processing system
  Double sided automatic cleaning device: combining high-pressure air blowing with electrostatic dust removal
  Precision adhesive unit: equipped with high-precision metering pump, with adhesive layer thickness control accuracy of ± 0.01mm
  Preheating system: infrared heating, temperature control ± 1 ℃

• Polyurethane foaming system
  High pressure mixing head: working pressure 150-200 bar, mixing efficiency>98%
  Raw material temperature control system: dual cycle PID control, temperature stability ± 0.5 ℃
  Online density monitoring: ultrasonic or microwave real-time detection of foam density

• Composite molding system
  Double belt press: adjustable pressure range of 0.5-5MPa, pressure uniformity>95%
  Temperature gradient control: Multi zone independent temperature control to ensure optimal curing conditions
  Thickness control system: laser thickness measurement feedback adjustment, accuracy ± 0.1mm

• Intelligent control system
  Production data traceability system: records all key process parameters
  Adaptive adjustment algorithm: automatically optimize the process based on environmental conditions
  Remote diagnostic function: supports remote maintenance by equipment manufacturers

The products produced by high-precision polyurethane sandwich panel making machines are widely used in:

• Construction field
  Large industrial plants and logistics warehouses
  Cold chain logistics facilities and refrigerated warehouses
  Cleanrooms and Medical Buildings
  Modular and Prefabricated Buildings

• Special applications
  Insulated bulkheads for ships and marine engineering
  Vehicle manufacturing (RV, special vehicles)
  Aviation Ground Facilities
  Acoustic barrier and explosion-proof structure