Powder dosing unit Colortech series

screwfor the plastics industryfor extruders

Our machines are designed for precise dosing of quantities of additives, also in very small percentages. The mechanics are the same for the three models that compose the range; the difference is the control that operates them: -COLORTECH STEP, universal dosing machine, suitable for all types of processes. -TEST COLORTECH conceived mainly for injection moulding, varies the speed of rotation of the screw automatically, according to the charging time of the press to ensure the required percentage. -COLORTECH EXT particularly suitable for extrusion and blow moulding, according to the screw speed of the extruder (received through a signal) the machine automatically varies its speed and always dispenses the required percentage. Keeping the same mechanics and the same controls and replacing the screw/ barrel unit with a peristaltic pump, the Colortech changes in to a perfect dosing unit for high viscosity liquids and additives, while maintaining the high precision characteristics. Essential when the requested dosing of additive is minimum, that is when the percentage lowers under 1 %, or when the materials to be dozed and mixed are more than two, ex. virgin + ground and additive. It is applied between the hopper and the plasticization chamber, with the dozer that pours the additive directly in the mixing drum. -Construction in steel AISI 304 -Arm in stainless steel with anti-wear treatment 70 rpm. -Security Micro on the closing lid -Gear motor 400V. 50/60 Hz Kw.0,25 -Electrical control panel that can be interfaced with the dozer