Patent 7878784 was granted and assigned to Siemens Aktiengesellschaft on February, 2011 by the United States Patent and Trademark Office.
An injection molding machine is provided. Permanent magnets are attached to a planetary roller spindle and/or ball screw spindle or to the spindle nut of the injection molding machine. Thus, the permanent magnets are integrated into the planetary roller spindle and/or ball screw spindle or to the spindle nut of the injection molding machine.