Precision Subcontractor Opts for DNC Instead of Shop Floor Programming

OF six CNC machine tools linked through RS 232 interfaces into a direct numerical control (DNC) and automatic off‐line programming system at Tufflay Precision Engineering's Woking factory, three are Hitachi Seiki machines — two multi‐purpose vertical machining centres and a CNC lathe — supplied by Tarex Berger & Associates Ltd, Egham.