A unique transport system moves Tetra Recart packages safely along the line, including the fill-and-seal machine and fillers. This means external fillers can be combined with the Tetra Pak R1 form-and-seal machine, increasing the range of possible filled products.
The speed of the machine can be set at 9 000, 12 000, 16 000, 20 000, or 24 000 packs per hour. Since the required process time for different food categories varies, this feature makes it possible to adapt production speed to suit a wide variety of foods.
All the moving parts are positioned on the inside of the machine, which is enclosed in a metal casing and sealed with tight-fitting doors. The result is a plant environment with relatively low noise levels (71.5 dB) compared to industry norms.
An operator is required to supervise the production start-up, but after that, carton blanks are fed into the form-and-seal machine automatically by the carton loader. This leaves the operator free to perform other tasks.
The aluminium foil is heated under tight control, melting the plastic in the packaging material. The package is then sealed by pressure. The machine monitors the temperature and pressure, and stops automatically if incorrect parameters are detected.
Steam is injected into the package, which minimises the oxygen content in the headspace. When oxygen comes into contact with the food product it can cause discoloration. Reducing oxygen to minimal levels helps prevent this.
Packaging line monitoring system (PLMS) is a software tool used to automatically monitor and log the performance of Tetra Recart® packaging lines. The data can be used to analyze detailed production data and find ways for corrective actions and continuous improvement.
Several factors make this filling machine easy to operate: the Tetra Pak Operator Panel with its intuitive touch-screen interface; large windows enabling operators to watch production directly; and ground-level access to essential working parts.
An injection of nitrogen gas minimises the amount of oxygen in the package before final sealing. This is useful for vegetable products, for example, as it prevents product discoloration.
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