Description

Item Description:

Lot consists of:
(1) CNC machining centre


Technical Details:

Technical Data

Complete Machine

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

Emissions

• Corrected surface sound pressure level according to DIN EN 12417:2007: LpA ≤ 75 dB(A)

• EMC environment: A

Air Consumption

• Production operation (with coolant cleaning system): 0.5 Nm³/min

Magnetic Field Strength During Transport

• Measured magnetic field strength at 4.6 m distance: < 0.418 A/m

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

Media Supply

• Pneumatics: cleaning air, seating control

• Central coolant supply, emulsion, oil: < 80 bar

• Minimum quantity lubrication aerosol: < 5 bar

Performance Data

• Speed range: 1–17,500 min⁻¹

• Acceleration time: 0.7 s

• Power: 35 kW @ 4200 min⁻¹ (40% duty cycle)

• Rated power: 26 kW @ 4200 min⁻¹

• 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

Loading Door

• Door opening time (automatic loading): 5.0 s (3.5 s)

• Door closing time (automatic loading): 6.0 s (3.5 s)

Hydraulic System

• Operating pressure: 250 bar

• Flow rate: 9 dm³/min

• Hydraulic tank capacity: 120 dm³

• Accumulator charging operation hysteresis: 230–260 bar

Pneumatic System

• Average air consumption: 0.5 Nm³/min

• Maximum air consumption: 1.0 Nm³/min

• Supply pressure: 6.0–9.0 bar

• Operating pressure: 5.5 bar

• Connection size: G 3/4"

• Compressed air quality according to ISO 8573-1: purity class 4

Central Cooling Unit

Control / Diagnosis

• Control via: PLC / main operator panel

• Control accuracy for electrical cabinet, hydraulic unit and coolant system: ±2 K

• Control accuracy for machine and drives: ±0.2 K, room-temperature controlled

Precision Circuit (Machine Side)

• Cooling water tank: 120 dm³

• Cooling medium: water with frost and corrosion protection

• Frost and corrosion protection: Tyfocor 25 %

Cooling Water Requirement (Customer Side)

• Cooling medium: water with frost and corrosion protection

• Frost and corrosion protection: Tyfocor 35 %

• Inlet temperature machine heat exchanger: 12–18 °C

• Nominal flow rate: 110 dm³/min

• Inlet pressure: 2.5–4.0 bar

• System pressure loss: < 1.5 bar

• Cooling capacity (at 25 °C ambient temperature): 14 kW

• Connection inlet/outlet: G 1 1/4"

Further Information

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