The Arum 4X-300 is a 4-axis dental CAD/CAM milling machine designed for high-precision, wet and dry processing of soft materials. Part of the Arum 300 series, it is engineered for dental labs looking to produce restorations like crowns, bridges, inlays, onlays, and hybrid abutments from materials such as zirconia, Lithium Disilicate, PMMA, and wax.
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Key Features and Specifications
Axis: 4-Axis milling system (rotation axis B-axis: 360°).
Spindle: High-speed AC 0.5kW spindle, operating at 6,000–80,000 RPM, specialized for grinding glass ceramics (Lithium Disilicate) and soft materials.
Automatic Tool Changer (ATC): Equipped with a 12-tool pocket, allowing for uninterrupted operation, with a tool shank diameter of Ø4.
Wet & Dry Operation: Designed for both wet and dry milling, enabling versatility in material handling.
Material Flexibility: Capable of milling Zirconia, Lithium Disilicate (E-max), Nano-composites, PMMA, PEEK, and Wax.
Accuracy: Features high-precision ball screws and a rigid structure designed to minimize vibration and enhance accuracy.
User Convenience: The machine features a '7° Tilted Door' for improved viewing and a wide workspace for easy material/tool changes. It also includes an inclined interior floor for easy cleaning.
Calibration: Features wireless auto-calibration to maintain machine precision.
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Machine Dimensions and Weight
Machine Size: 540 x 580 x 630mm.
Weight: 90kg (machine only).
Total Size with Table: 540 x 580 x 950mm.
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4X-300 vs 4X-300D
The 4X-300 is often compared to the 4X-300D in the same series:
4X-300: 4-Axis, Wet & Dry, 6,000–80,000 RPM.
4X-300D: 4-Axis, Dry only, 6,000–60,000 RPM.
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The Arum 4X-300 is noted for its ability to produce highly detailed, natural-looking teeth using 0.3mm tools, particularly for zirconia applications.
