FOR SALE / REFHeyligens14052026 Heavy-duty lathe Heyligenstaedt 1850 x 12.000 mm manufactured by Heyligenstaedt & Comp. in Giessen, Germany. Machine Specifications The data plate provides specific technical parameters for this particular unit: • Model/Type: ND2a - 900 • Dimensions: \(63 \times 12000\) • (Likely referring to a spindle bore or swing capacity and a total bed length of 12 meters) • Year of Construction (Baujahr): 1980 • General Technical Capabilities Heyligenstaedt machines of this class are designed for "extra-large precision" and heavy-duty machining of massive workpieces. Typical specifications for the ND2a-900 series include: • Swing Diameter over Bed: 1850 mm • • Approximately 900 mm from bed to mid point chuck center (indicated by the "900" in the model name) • 1400 mm DIAM over carriage • Turning Length: Up to 12,000 mm (12 meters) • Speed Range: Older heavy models typically operate in lower RPM ranges for high torque, often between 4 – 710 RPM • Main Spindle Power: High-capacity motors often exceeding 100 kW for heavy metal removal • Workpiece Weight: Capable of handling loads up to several tons, with larger custom models reaching up to 180,000 kg Design Features • Bed Construction: Heavy-duty 4-track bed made of gray cast iron for maximum damping and rigidity • Applications: Primarily used in sectors like power generation (turbines), heavy engineering, and large-scale tool manufacturing