A layer of film is attached to the inside of disposable paper cups, instant noodle bowls or melon seed bags, etc. This is the effect of laminating machine processing.

The laminating machine is a plastic machinery equipment that uses polyethylene and polypropylene as raw materials to coat plastic film on paper, BOPP, BOPET and other substrates by using extrusion laminating process to improve the tensile strength, air tightness and moisture resistance of the substrates.

The equipment is widely used for lamination; release paper, mouth cup paper, paper bowl paper, melon bag paper, cleaning bag paper, trademark paper, non-woven fabric, gauze, aluminum foil and other substrates.

• The controller gives each inverter line speed signal to synchronize the whole machine; it controls the logical action of each part of the machine.
  
• Unwinding is center curl mode, using ZF3000 series high performance vector frequency converter to control output frequency in 'main + auxiliary' way, the main frequency is calculated using controller given line speed and roll diameter, the auxiliary frequency is controlled by closed loop of tension pendulum.
  
• The extruder speed is synchronized with the whole machine to maintain the same film quality attached on the same area of material.
  
• The cooling wheel runs at open-loop speed.
  
• The winding is a sleeve-cylinder winding method, using ZF3000 series high performance vector frequency converter to control the output frequency in the way of 'main + auxiliary', the main frequency is the controller given line speed signal, and the auxiliary frequency is controlled through the closed loop of tension pendulum. The difference with the unwinding is that the ZF3000 used for winding does not have a roll diameter calculation function.
  
• Unwinding is a duplex operation with a 'pre-drive' function that automatically calculates the frequency of the 'ready axis' according to the given line speed and roll diameter to synchronize the reel change.
  

Control program features

High line speed automatic disc change, automatic disc change fluctuation is small, high speed accuracy, system can be emergency stop in many places, high safety, line speed accuracy 0.1M/min, low frequency force 0Hz150%, film coating speed and line speed matching, film thickness to meet the end customer requirements