Κέντρο κατεργασίας CNC τόρνου και φρεζαρίσματος

GRAZIANO NEF 400

TECHNICAL SPECIFICATIONS:

CNC: Siemens 840D powerline

Working Area
- Maximum machining diameter over bed: 400 mm
- Maximum machining diameter over cross slide: 270 mm
- Turning length: 650 mm
- Cross travel (X): 220 mm
- Longitudinal travel (Z): 700 mm

Main Spindle
- Spindle nose according to DIN 55026 A (outer bolt circle): A6
- Spindle bore in front bearing: 90 mm
- Spindle bore: 65 mm
- Spindle nose taper: metr. 72 (MK5)
- Drive power 40/100% ED: 15/12 kW
- Max. torque 100% ED: 400/320 Nm
- Spindle speed: up to 4,000 min⁻¹

Cross Slide X/Z
- Cross travel X: 220 mm
- Longitudinal travel Z: 700 mm
- Ball screw X/Z (diameter x pitch): 32×5 mm
- Rapid traverse speed X/Z: 15 m/min
- Feed force X/Z: 3/6 kN

Tool Turret
- Number of tool stations (direct mounting): 8
- Tool shank cross section: 20×20 mm
- Turret wrench clearance: 220 mm
- Boring bar shank diameter: 25 mm

Tailstock
- Max. quill force: 680 daN
- Center: MK 4
- Quill diameter: 65 mm
- Quill stroke (hydraulically movable): 40 mm

Coolant System
- Capacity: 500 l
- Pump power: 1.20 kW
- Flow rate: 37 l/min
- Pressure: 1.9 bar
- Tank capacity: 25 l

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

Dimensions and Weight
- 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

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