Extrusion International 5-2017

31 Extrusion International 5/2017 • Easy to use, to clean and to main- tain: the weighing station and mix- ing shaft are removable without the need for tools and are fully acces- sible, as well as the mixer chamber. The load cells are equipped with an integrated automated cleaning sys- tem (patent pending) that comes into operation after each cycle. • No waste of material: the new de- sign of the discharge system allows the entire hopper to be emptied, leaving no residue; the material is conveyed optimally, without me- chanical stress or the risk of crushing the pellets. Innovation and versatility Quantum E allows a versatility of use that has never been achieved before, thanks to 8 dosing stations: each sta- tion is added or replaced by a simple mechanical operation without the need for complex manoeuvring and in conditions of complete safety for the operator and for nearby equip- ment. The gravimetric batch dosing system precisely weighs each of the ingre- dients of the mixture, while loss-in- weight technology allows total con- trol of the extruded product output and maximum weight continuity per metre of the film. Quantum E evolves with respect to similar systems: • Thanks to the two load cells with loss-in-weight technology, whereby material consumption is measured continuously and gravimetricly; • In substitution of the slide gate sta- tion it is possible to install an auger station to precisely modulate the mi- cro-dosage of the ingredients. Quantum E is the ideal gravimetric dosing system for the production of flexible packing film. For this reason, it integrates techno- logical solutions that offer the best dosage accuracy and maximum pre- cision in weight control per meter of output. Keeping the weight/metre ratio con- stant is essential in blow film extru- sion, as it means: • savings in material; • optimisation of material use; • reduction of waste. Accuracy, control at every stage, effectiveness The Quantum E dosing system has been designed and built in such a way as to allow complete traceability of each component and the repeat- ability of each cycle, also as a conse- quence of the new trapezoidal shape of the dosing gate, which allows fur- ther precision (in dosing), with the integration of a rapid unloading de- vice. The particular design of the patent- ed spherical mixer, also prepares a completely homogeneous blend of the various ingredients with loss-in-