GRAZIANO NEF 400 CNC Lathe

CNC: Siemens 840D Powerline

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Working range
Maximum workpiece diameter on the bed: 400 mm
Maximum workpiece diameter on the cross slide: 270 mm
Turning length: 650 mm
Cross travel (X): 220 mm
Longitudinal travel (Z): 700 mm

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Main spindle
Spindle head diameter per DIN 55026 A (outer hole circle): A6
Spindle diameter at front bearing: 90 mm
Spindle bore: 65 mm
Tapered bore of spindle nose: 72 metric (MK5)
Drive power at 40/100% of rated capacity: 15/12 kW
Max. torque at 100% of rated capacity: 400/320 Nm
Speed: 4,000 min⁻¹

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X/Z cross slide
X-axis travel: 220 mm
Z-axis travel: 700 mm

X/Z ball screw (dxa): 32×5 mm
X/Z rapid traverse speed: 15 m/min
X/Z feed force: 3/6 kN

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Tool holder
Number of direct-mount tool stations: 8
Shank cross-section: 20×20 mm
Tool disc wrench opening: 220 mm
Shank diameter for boring bars: 25 mm

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Tailstock
Max. spindle force: 680 daN
Center: MK 4
Spindle diameter: 65 mm
Spindle stroke (hydraulically adjustable): 40 mm

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Refrigerant unit
Capacity: 500 l
Pump power: 1.20 kW
Flow rate: 37 l/min
Pressure: 1.9 bar
Tank capacity: 25 l

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Electrical power requirement
Connected power: 22 kVA
Operating voltage: 400 V
Frequency: 50 Hz
Protection (slow-blow/VDE 0100) rating: 35 A
Voltage fluctuation at 400 V: +6% / −10%

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Dimensions and weight
Dimensions (length/width/height, including chip conveyor): 2,100 / 1,750 / 1,710 mm
Machine weight (without chip conveyor): approx. 2,800 kg

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Year built: 2008

The images and technical specifications are provided for illustrative purposes only and do not constitute a contractual element.