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Heyligenstaedt ND2a - 900

Heavy-duty lathe Heyligenstaedt 1850 x 12,000 mm

Manufactured by Heyligenstaedt & Comp. in Giessen, Germany.

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Machine Specifications
The data plate provides specific technical parameters for this particular unit:
• Model/Type: ND2a - 900
• Dimensions: (63 × 12,000)
(Likely referring to spindle bore or swing over bed and a total bed length of 12 meters)
• Year of manufacture: 1980

General Technical Capabilities
Heyligenstaedt machines in 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: 1,850 mm
• Approx. 900 mm from bed to spindle/chuck center (as indicated by the '900' in the model designation)
• Swing diameter over carriage: 1,400 mm
• Turning length: up to 12,000 mm (12 meters)
• Speed range: Older heavy-duty models typically operate at lower RPM for high torque, often between 4 – 710 rpm
• Main spindle drive: High-capacity motors typically rated at over 100 kW for powerful metal removal
• Workpiece weight capacity: Can accommodate loads up to several tons, with larger custom-made machines supporting workpieces up to 180,000 kg

Design Features
• Bed: Robust 4-guideway bed made from grey cast iron for maximum damping properties and rigidity

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