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Impression K models

Impression K models

Impression K models

Product catalog summary
Fields of Application: Both K3 and K4 Impression machines are designed for dry machining, suitable for materials such as plastics, wax, zirconium oxide, composites, and CoCr. They are used for creating crowns, bridges, fully anatomical crowns and bridges, inlays, onlays, and abutments.
Basic System: Both machines have a basic structure made of an aluminum precision plate with 4 axes and a positional range of 100 x 98 x 40 mm. They feature precise ball screw spindles, motor resolution of less than 1 μm, and ground steel precision guide rails.
Repetition Accuracy: Both machines offer a repetition accuracy of ± 0.005 mm, with automatic axis measurement and compensation for exact results.
Housing: The working chamber is fully encapsulated with a closable front cover and an automatic safety interlock during machining. Both machines have working chamber illumination.
Dimensions and Weight: Both machines measure approximately 400 x 385 x 410 mm and weigh around 45 kg.
Rotary Axes: The A axis provides high true running accuracy for processing workpieces on a full 360° circumference, using a Harmonic Drive® free from backlash. They accommodate round universal blanks with a thickness of 10 to 25 mm and a diameter of 98.5 mm.
Controller Features: Both machines use a CNC 300 controller with synchronic interpolation of 4 axes, microstep operation, and high processing speed. They include 6 digital inputs, 2 digital outputs, and cooling via 3 fans.
Spindle Features: Both machines have an asynchronous high-frequency spindle SF 170 with a nominal power of 170 W and a maximum power output of 240 W, capable of rotational speeds up to 60,000 RPM.
Tool Change: The K3 features a manual tool change with quick chucking, while the K4 includes an automatic tool change station for 6 tools.
Air Extraction: Both machines have openings for air extraction, a connector for a hose, and an underpressure sensor for monitoring.
Peripheral Equipment: Both machines can use a switching unit PSW 01-RSV for automatically switching a vacuum cleaner and have an administrated tool board.
Certification: Both machines are certified according to ANSI/UL 61010-1 for exports to the USA and Canada.
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Catalog excerpts

Impression K models-1

Technical Data Machinable materials plastics, wax, zirconium oxide, composites, CoCr plastics, wax, zirconium oxide, composites, CoCr crowns, bridges, fully anatomical crowns and bridges, inlays, onlays, abutments crowns, bridges, fully anatomical crowns and bridges, inlays, onlays, abutments basic structure of aluminium precision plate basic structure of aluminium precision plate • precise ball screw spindles for the 3 linear axes • motor resolution < 1 μm • ground steel precision guide rails • 4 mm spindle lead angle • precise ball screw spindles for the 3 linear axes • motor resolution < 1 μm • ground steel precision guide rails • 4 mm spindle lead angle Repetition accuracy Axis measurement automatic axis measurement and compensation for exact results automatic axis measurement and compensation for exact results • omplete encapsulation of working chamber with closable c front cover • utomatic safety interlock at the front cover during the a machining process • omplete encapsulation of working chamber with closable c front cover • utomatic safety interlock at the front cover during the a machining process Working chamber illumination A axis: highest true running accuracy for processing workpieces on their full circumference of 360°, Harmonic Drive® free from backlash A axis: highest true running accuracy for processing workpieces on their full circumference of 360°, Harmonic Drive® free from backlash Fixing device round universal blanks with a thickness of 10 to 25 mm and a diameter of 98.5 mm with step round universal blanks with a thickness of 10 to 25 mm and a diameter of 98.5 mm with step manual exchange of blanks manual exchange of blanks type CNC 300 • ynchronic interpolation of 4 axes s • reat smoothness of running, powerful and accurate due to g microstep operation • igh processing speed due to exponential acceleration h ramps • ook-ahead feature for continuous velocity along the path l • digital inputs, 2 digital outputs 6 • motor end phases 4 • Chopper controller • ooling via 3 fans c type CNC 300 • ynchronic interpolation of 4 axes s • reat smoothness of running, powerful and accurate due to g microstep operation • igh processing speed due to exponential acceleration h ramps • ook-ahead feature for continuous velocity along the path l • digital inputs, 2 digital outputs 6 • motor end phases 4 • chopper controller • ooling via 3 fans c asynchronous high frequency spindle SF 170 • ominal power under constant load (S1): 170 W n • aximum power output (Pmax): 240 W m • otational speed range up to 60,000 RPM r • ouble steel ball bearings d • adial deviation at internal cone of the precision shaft r < 1 μm asynchronous high frequency spindle SF 170P • ealing air against entering of foreign substances s • ominal power under constant load (S1): 170 W n • maximum power output (Pmax): 240 W • rotational speed range up to 60,000 RPM • double steel ball bearings • radial deviation at internal cone of the precision shaft < 1 μm Collet chuck for tools with 3 mm shank diameter and max. 35 mm total length, quick chucking device for tools with 3 mm shank diameter and max. 35 mm total length, pneumatic collet chuck Basic system Rotary axes

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Impression K models-2

Technical Data Tool change • anual with quick chucking device m • ool length detection and tool breakage monitoring via t electric contact • automatic tool change station for 6 tools with length detection and breakage monitoring via electrical contact • ompressed air monitoring c • penings in the rear panel of the working chamber for air o extraction • onnector for hose at the side of the housing c • nderpressure sensor for monitoring the air extraction u • 4 Volt output for connecting the switching unit 2 • penings in the rear panel of the working chamber for air o extraction • connector for...

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