CNC টার্নিং ও মিলিং সেন্টার

GRAZIANO NEF 400

TECHNICAL SPECIFICATIONS:
CNC: Siemens 840D Powerline
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Working Area
Swing over bed: 400 mm
Swing over cross slide: 270 mm
Turning length: 650 mm
Transversal travel (X): 220 mm
Longitudinal travel (Z): 700 mm
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Main Spindle
Spindle nose according to DIN 55026 A (outer bolt circle): A6
Spindle diameter at front bearing: 90 mm
Spindle bore: 65 mm
Spindle nose taper: metric 72 (MK5)
Motor power 40/100% duty cycle: 15 / 12 kW
Max torque 100% duty cycle: 400 / 320 Nm
Spindle speed: 4,000 rpm
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Cross Slide X/Z
Transversal travel X: 220 mm
Longitudinal travel Z: 700 mm
Ball screw X/Z (Ø × pitch): 32 × 5 mm
Rapid traverse X/Z: 15 m/min
Feed force X/Z: 3 / 6 kN
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Tool Holder
Number of tool stations (direct mounting): 8
Tool shank cross-section: 20 × 20 mm
Tool disc wrench opening: 220 mm
Boring bar shank diameter: 25 mm
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Tailstock
Max quill force: 680 daN
Taper: MK 4
Quill diameter: 65 mm
Quill stroke (hydraulically movable): 40 mm
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Coolant System
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 Requirements
Connected load: 22 kVA
Operating voltage: 400 V
Frequency: 50 Hz
Protection (slow-blow / VDE 0100): 35 A
Voltage variation at 400 V: +6% / −10%
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Dimensions and Weight
Overall dimensions (L × W × H, incl. chip conveyor):
2,100 × 1,750 × 1,710 mm
Machine weight (without chip conveyor): approx. 2,800 kg
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Year of Manufacture
2008