Technical Data N4 Impression Fields of application Machinable materials glass ceramics, composites crowns, bridges, fully anatomical crowns and bridges, inlays, onlays, abutments, telescope crowns, veneers, table-top Basic system Construction machine bed of massive aluminium cast • recise ball screw spindles for the 3 linear axes p • otor resolution < 1 μm m • round steel precision guide rails g • mm spindle lead angle 4 Repetition accuracy Axis measurement • easurement of axes with calibration specimen m • utomatic axis compensation for exact results a • omplete encapsulation of working chamber with closable front cover c • utomatic safety interlock at the front cover during the machining process a Working chamber illumination yes, with status indication Rotary axes Features • A axis: highest true running accuracy • otation range: + 190° to − 10° r Fixing device for 3 blocks with round shanks (total positioning range for workpieces: 60 x 40 x 20 mm) manual exchange type G12M • reat smoothness of running, powerful and accurate due to microstep operation g • igh processing speed due to exponential acceleration ramps h • ook-ahead feature for continuous velocity along the path l • digital in- and outputs each 4 • motor end phases 5 • our quadrant controller f • o fan necessary for cooling n • xtension slot for special features e • ptional Ethernet interface o synchronous spindle SFN 300P • ominal power under constant load (S1): 300 Watt n • aximum power output (Pmax): 600 W m • otational speed range up to 60,000 RPM r • 4-fold bearing • ybrid ceramic ball bearings h • adial deviation at internal cone of the precision shaft < 1 μm r • ealing air prevents entering of foreign substances in the bearing area s • cone cleaning Collet chuck pneumatic stainless steel collet chuck for tools with 3 mm shank diameter and max. 35 mm total length

Technical Data N4 Impression Tool change • utomatic tool changer for 8 tools with 2 removable changer stations for easy equipment a • aptic tool length detection and tool breakage monitoring h • iamond-coated tools can be used d • ompressed air monitoring c • ool is cooled by 8 liquid nozzles in full length (from tip to shank) t • emovable drawer for cooling liquid and filter r • rotection of mechanics, electronics and spindle by flexible rubber gaiter p Other Peripheral equipment Special feature certification according to ANSI/UL 61010-1 for exports to the USA and Canada in preparation