Description

Item Description:

Lot consists of:
(1) CNC machining centre


Technical Details:

Technical Data

Operation hours: 1.178 h

Electrical Data

• Supply voltage: 3 × 400 V / 50 Hz (grounded)
• Supply system: TN-S or TN-C network
• Total connected load: 105 kVA
• Rated demand factor RDF: 0.6
• Back-up fuse: 160 A gG (5 s)

Dimensions

• Installation space incl. coolant cleaning system (W × H × D): 8.20 × 4.80 × 6.60 m

Weight

• Operational machine weight: 32,000 kg
• Transport weight: 27,000 kg

Control System

• CNC control: SIEMENS SINUMERIK 840D SL

Working Spindle

• Spindle arrangement: horizontal
• Design: liquid-cooled motor spindle, AC synchronous technology
• Spindle lubrication: minimum quantity oil lubrication
• Tool interface: HSK-A63

Tool Clamping System

• Mechanical clamping force: > 18 kN
• Adjustment dimension: 10.5 ± 0.1 mm

Performance Data

• Speed range: 1–17,500 min⁻¹
• Acceleration time: 0.7 s
• Power: 35 kW 
• Rated power: 26 kW 
• Torque: 80 Nm (40% duty cycle)
• Rated torque: 60 Nm

Tool Magazine

• Tool changing system: Pick-up
• Tool management: fixed position coded
• Capacity: 40 (1 × 40) tools
• Maximum total tool load: 200 kg

Working Area

• X-axis: 3000 mm
• Y-axis: 1800 mm
• Z-axis: 875 mm
• Distance spindle to swivel carrier center: 425–1300 mm
• Tool change position X/Y/Z: 0/0/-310 mm

Feed Drive

General

• Design: three-phase linear motors
• Position measuring system X/Y/Z-axis: direct, absolute

X-Axis

• Rapid traverse speed: 120 m/min
• Maximum acceleration: 10 m/s²
• Relative acceleration increase (G0): 200 m/s³
• Relative acceleration increase (G1): 50 m/s³
• Peak force: 10,000 N
• Rated force: 5,000 N

Y-Axis

• Rapid traverse speed: 120 m/min
• Maximum acceleration: 16 m/s²
• Relative acceleration increase (G0): 600 m/s³
• Relative acceleration increase (G1): 300 m/s³
• Peak force: 10,000 N
• Rated force: 5,000 N

Z-Axis

• Rapid traverse speed: 120 m/min
• Maximum acceleration: 20 m/s²
• Relative acceleration increase (G0): 1000 m/s³
• Relative acceleration increase (G1): 500 m/s³
• Peak force: 7,000 N
• Rated force: 3,500 N

Accuracy

• Positioning accuracy A: ≤ 0.010 mm
• Repeatability R: ≤ 0.006 mm

Tool Change

• Average chip-to-chip time at n < 17,500 min⁻¹: 4.00 s

Workpiece Handling

• Design: AC servo motor driven swivel carrier with 2 opposing clamping surfaces
• Swivel carrier: double-sided locking via face gear coupling, hydraulically actuated
• Swivel time 0/180 degrees: 4.0 s
• Maximum asymmetric load: 3000 Nm
• Repeatability at diameter 1200 mm: ≤ 0.010 mm
• Maximum fixture and workpiece dimensions: Ø 2200 mm × 3480 mm
• Maximum fixture and workpiece weight per side: 1000 kg
• Swivel range: 358°
• Swivel range for parallel loading: -16°–0° and 164°–180°
• Face gear indexing: 2°
• Maximum speed: 16 min⁻¹

Fixture Interface

Rotary Distributor

• Rotary distributor pair for NC rotary table (A/U-axis): uncontrolled, leak-oil-free sealed
• Distribution channels: 16
• Maximum hydraulic operating pressure: 250 bar
• Maximum pneumatic operating pressure: 8 bar
• Nominal size: 6
• Maximum permissible speed at p = 200 bar: 20 min⁻¹

Hydraulic System

• Operating pressure: 250 bar
• Flow rate: 9 dm³/min
• Hydraulic tank capacity: 120 dm³
• Accumulator charging operation hysteresis: 230–260 bar

Further Information

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