Cam Driven Systems offers Open Centre Ring Transfer Cell. Cam Driven Systems is an ISO 9001-2000 accredited company supplying a wide range of cam indexing drives and transfer systems for various industrial applications. The Open Centre Ring Transfer Cell of model number TR 3000 is used for precise positioning of high speed moulding cells for RFID devices. The Open Centre Ring Transfer Cell is available with a cutter of more than 13 feet diameter.