Machinery News

Lybra caters to frequent changeovers

Configured for continuous weight-loss gravimetric (LG) or volumetric (LV) operation, the system was introduced at K2010.

Each unit can accommodate up to two independent dosing stations, which can even be of different capacities and be retrofitted to meet changing production needs. Each dosing station can be configured for individual capacities of up to 170 kg/hour.

Each dosing station comprises a hopper containing the granules to be dosed and is equipped with a proprietary loss-in-weight control to measure the amount of material carried by the dosing screw to the unit's mixer. The mixture is then continuously transferred by gravity from the blender's mixer to the plasticising screw of the moulding machine or extruder.

The dosing auger is available in three different configurations with single, dual or triple helical shaft for controlling material dosing in low percentages with a high level of accuracy and repeatability.

The unit comprises a microprocessor control system with 7 inch touchscreen. A single screen, with intuitive graphical interfaces, allows the operator to control operation of the whole system, compare preset dosing values with actual values, check instantaneous production values and access all the unit's functions.

Connection to external supervision systems (by means of an Ethernet or USB port) means settings can be downloaded and exported, while it also provides the option of controlling the unit remotely.