Cold Roll Forming Sandwich Panel Machine

Cold roll forming sandwich panel machine is a high-end manufacturing equipment that integrates mechanical, electrical, hydraulic, and automation control technologies, specifically used for producing various types of sandwich panels for construction. This machine uses cold rolling forming technology to composite metal panels (usually color steel plates, aluminum plates, or stainless steel plates) with core materials (such as polyurethane, rock wool, glass wool, etc.) to produce building panels with excellent insulation, sound insulation, and fire resistance properties.

sandwich panel machine

The modern cold roll forming sandwich panel production line represents the forefront of technology in the field of building materials manufacturing, with automation and production efficiency far exceeding traditional production processes. According to product types and application requirements, this type of equipment can be divided into two categories: continuous and intermittent. Among them, continuous sandwich panel lines have become the mainstream in the market due to their high efficiency.

Main components and functions of cold roll forming sandwich panel machine

• Open book system
  The unwinding system is the starting point of the production line, consisting of an unwinding machine, a feeding device, and a leveling machine. High end equipment is usually equipped with dual coil openers, which can achieve uninterrupted automatic coil changing and ensure production continuity. The latest generation of unwinding system adopts servo drive technology, combined with high-precision tension control, to ensure smooth unfolding of metal coils and avoid surface scratches.

• Forming host system
  The forming host is the core part of the equipment, consisting of multiple sets of roll forming units. Each forming machine is usually equipped with 20-30 composition rollers, which precisely shape flat metal coils into the desired cross-sectional shape through progressive deformation technology. The modern molding system adopts modular design, which can quickly switch between different plate shapes by replacing the roller mold, and the conversion time can be shortened to within 30 minutes.

• Foam/Composite System
  For the polyurethane sandwich panel production line, the foaming system is a key link. The system consists of a high-pressure foaming machine, a mixing head, a temperature control system, and an automatic cleaning device, which can accurately mix and inject polyurethane raw materials between the upper and lower metal panels. The advanced foaming system adopts closed-loop control, and the deviation of foam density can be controlled within ± 3%.
  The rock wool/glass wool sandwich panel production line is equipped with an automatic cotton laying system, which uses a robotic arm or conveyor belt to accurately place the core material between the metal panels, and cooperates with a high-pressure composite device to ensure bonding strength.

• Double track press machine
  The double track press is a key equipment to ensure the flatness and bonding quality of sandwich panels. Modern presses are driven by hydraulic or servo motors, with a pressure of over 500 tons and equipped with a temperature control system (for products that require heating and curing). The latest technology adopts zone pressure control, which can automatically adjust the pressure according to different parts of the board surface to eliminate deformation.

• Fixed length cutting system
  The fully automatic flying saw cutting system is driven by servo, with a cutting accuracy of ± 1mm. The high-end equipment is equipped with a visual recognition system, which can automatically recognize the surface pattern for precise positioning and cutting. Some production lines also integrate automatic stacking systems to achieve automatic sorting and stacking of cut boards.

• Automated control system
  The modern sandwich panel production line comes standard with PLC+industrial computer control system, which has the following functions:
  Digitized setting and storage of production parameters
  Real time quality monitoring and alarm
  Production data traceability and analysis
  Remote diagnosis and maintenance
  Energy consumption monitoring

Cold roll forming sandwich panels are widely used in:

• Industrial plants and storage facilities
  

• Commercial buildings and sports venues
  

• Cleanrooms and medical facilities
  

• Cold Chain Logistics Center
  

• Modular architecture

Cold roll forming sandwich panel machines are developing towards higher precision, efficiency, and intelligence, providing high-performance composite panels for the construction industry and promoting its transformation towards industrialization and greening.