2014 Niehoff D631

The Niehoff D631 is a high-performance double-twist bunching machine designed for the production of copper strands and the stranding of insulated wires. By 2014, this model was well-established for its "Eco-Bow" energy-saving design and high precision in spooling.

Production Performance

• Max. Production Speed: 300 m/min
• Max. Number of Twists: 6,500 twists/min
• Cross Section Range (Cu soft): 0.09 – 6.0 mm²
• Lay Length (Infinitely Variable): 6 – 100 mm
• Twist Direction: S or Z

Spool & Winding Dimensions

• Max. Spool Flange Diameter: 630 mm
• Total Spool Width: 475 mm
• Max. Spool Capacity: approx. 750 kg
• Core Diameter: 224 mm – 250 mm
• Bore Diameter: 56 mm

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