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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, especially in the automotive and supplier industries. The machine features two symmetrically arranged motor spindles, a twin NC rotary carrier, and two direct drive rotary tables, enabling simultaneous 5-axis machining and parallel metal cutting operations.
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Equipped with a Siemens 840D sl CNC control, minimum quantity lubrication, high-dynamic feed drives, and an 84-position tool magazine, the system provides dynamic, precise, and energy-efficient machining processes. The compact design and pick-up capable tool system ensure short chip-to-chip times and high machine availability.

This machine is ideal for demanding precision machining tasks such as housings, structural components, gear parts, and components made from aluminum, cast iron, and steel in high-volume production.

CNC Control
SIEMENS 840D SL

Electrical connection
Supply voltage: 3 × 400 V / 50 Hz (grounded)
Network type: TN-S or TN-C network
Total connected load: 152 kVA
Power factor: 0.6
Protection: 250 A gG (5 s)

Weight
Machine 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
Travel measurement system 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
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 spindles side by side
Spindle diameter: 40 mm
Tool interface: HSK-A63
Cooling: Liquid-cooled motor 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% duty cycle)
Rated power: 2 × 26 kW at 4,200 rpm
Torque: 2 × 80 Nm (40% duty cycle) / 2 × 60 Nm (nominal torque)

Machining Area
Spindle distance: 800 mm

Traverse paths:
- X-axis: 800 mm
- Y-axis: 900 mm (optional 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
Twin rotary 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
Nominal torque: 1,300 Nm
Max. table rotation speed: 40 rpm

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

Note
The system is supplied without product-specific tools, clamping devices or robot grippers.

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