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SW Schwäbische Werkzeugmaschinen BAW08-22

This high-precision twin-spindle machining center from the SW series is designed for maximum productivity in mass production, particularly within the automotive and supplier industries. The machine features two symmetrically arranged motor spindles, a double NC swing carrier, and two direct-drive rotary tables, enabling simultaneous 5-axis machining and parallel processing operations.

Equipped with a Siemens 840D sl CNC control system, minimum quantity lubrication, high-dynamic feed drives, and an 84-position tool magazine, the system enables high-speed, precise, and energy-efficient machining processes. Its compact design and pick-up capable tool management system ensure short chip-to-chip times and high machine availability.

This machine is ideally suited for demanding precision machining tasks such as housings, structural parts, transmission components, and parts made of aluminum, cast iron, and steel, especially in large-scale series production.

CNC Control
SIEMENS 840D SL

Electrical Connection
Supply voltage: 3 × 400 V / 50 Hz (grounded)
Power configuration: TN-S or TN-C network
Total power consumption: 152 kVA
Power factor: 0.6
Protection: 250 A gG (5 s)

Weight
Operating weight: 28,000 kg
Transport weight: 24,500 kg

Tool Magazine
Tool change: Pick-up system
Tool management: Fixed-coded tool positions
Capacity: 84 tools (2 × 42)
Max. total tool weight: 400 kg

Feed Drives
Drive type: Three-phase synchronous motors
Position feedback X/Y/Z: Direct, absolute

X1 and X2 Axis
Rapid traverse: 120 m/min
Max. acceleration: 10 m/s²
Kv-factor: 6
Peak force: 2 × 6,000 N
Continuous force: 2 × 3,000 N
Positioning accuracy: Tp = 0.008 mm

Y Axis
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Rapid traverse: 120 m/min
Max. acceleration: 11 m/s²
Kv-factor: 6
Peak force: 20,000 N
Continuous force: 10,000 N
Positioning accuracy: Tp = 0.008 mm

Z1 and Z2 Axis
Rapid traverse: 120 m/min
Max. acceleration: 20 m/s²
Kv-factor: 6
Peak force: 2 × 6,000 N
Continuous force: 2 × 3,000 N
Positioning accuracy: Tp = 0.008 mm

Main Spindles
Spindle arrangement: Horizontal, twin-spindle side by side
Spindle diameter: 40 mm
Tool interface: HSK-A63
Cooling: Liquid-cooled motorized spindles
Lubrication: Minimum quantity lubrication (oil)
Mechanical clamping force: > 18 kN
Wear limit: 16 kN
Speed range: 1 – 17,500 rpm
Acceleration time: 0.7 s
Power: 2 × 35 kW at 4,200 rpm (40% ED)
Rated power: 2 × 26 kW at 4,200 rpm
Torque: 2 × 80 Nm (40% ED) / 2 × 60 Nm (rated torque)

Machining Area
Spindle distance: 800 mm

Travel paths:
- X-axis: 800 mm
- Y-axis: 900 mm (optionally 1,200 mm)
- Z-axis: 650 mm
Difference coupled Z-axes: < 1.0 mm
Difference coupled X-axes: < 1.0 mm

Workpiece Clamping / Table System
Double swing carrier (Q-axis) with two direct-drive NC rotary tables (A/U axes)
Swivel time 0–180°: 5.0 s
Max. asymmetric load: 1,600 Nm
Rotary table Ø 800 mm, repeatability: < 0.008 mm
Max. workpiece weight: 800 kg
Peak torque: 1,900 Nm
Rated torque: 1,300 Nm
Max. table speed: 40 rpm

Tool Change Times:
Chip-to-chip at n < 10,000 rpm: > 3.0 s
Chip-to-chip at n < 17,500 rpm: > 3.15 s

Note
The system is supplied without application-specific tools, clamping devices, or robotic grippers.

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