Plastic injection molding machine operating method, involves determining current intensity and/or partial current intensity of current independent of parameters influenced by current intensity by scale present in motor control device

摘要

The method involves subjecting an electric motor i.e. synchronous servo-motor, with current by a motor control device in a phase. Current intensity and/or partial current intensity of the current are determined independent of parameters influenced by the current intensity by a scale present in the device. A standstill phase is assigned to the current intensity in the scale. A screw provided in a housing is rotated in a phase prior to a phase of termination of the screw. Plastic granulates are supplied to an end of the screw during rotation of the screw with relatively high rotational speeds.