procedures for the control of the drive of a snail with a spritzgiessmaschine

摘要

The present invention is applicable to an injection molding machine comprising an injection device having a servo motor for use in rotating a screw and a controller for controlling the servo motor. The controller has a rotation speed N previously set therein as a set value for the screw rotation in a metering process. The controller rotates the screw at an acceleration A1 until the rotation speed of the screw reaches a value NK (where NK N). After that the controller carries out a control operation to rotate the screw at an acceleration A2 until the rotation speed of the screw reaches the value N. The acceleration A2 is higher than the acceleration A1. IMAGE