Travelling column milling machine

SHW PowerSpeed 4000

Base machine / travel paths
X = 4,000 mm, Y = 1,600 mm, Z = 1,600 mm.

The machine can be installed on the shop floor.

The machine features a stable flat bed for fast and precise movement of the machine table in the X direction. Hardened, rolled compact guide rails, 1,200 mm guide rail width, and a rack and pinion drive with two electronically pre-tensioned servo motors ensure accuracy and dynamics.

The machine table is designed as a steel welded construction with rolled compact guide rails. Liquid-cooled feed drives, two measuring systems, and telescopic steel guards ensure precision, constant temperature, and protection against chips and coolant. The spindle headstock slide and spindle headstock are made of GGG 60 and are stably guided via long guide rails.

The twin-spindle drive is via two vertical ball screws with separate drives, measuring systems and CNC axes. Feed rate / rapid traverse: 2–30,000 mm/min, acceleration: 3.5 m/s². Direct, non-contact linear measuring systems ensure high manufacturing accuracy.

Automatic universal milling head
Diagonal milling head 45° with C and A axes, positionable to 0.01°, liquid-cooled, GGG-60 cast iron construction. C-axis ±180°, A-axis ±360°, separate axis drives, helical gearing with ±3 sec indexing accuracy, hydromechanical tool clamping and internal and external coolant supply. Drive via frequency-controlled, liquid-cooled main motor.

Electrical system / power supply
Electrical equipment according to EN 60204, 400/230 V, 50 Hz, fuse rating 160 A slow-blow, control voltage 24 V, connected load approx. 80 kVA. Protection class IP54 for control cabinet, motors and drives. Control cabinet cooling with closed two-chamber system. Compressed air connection 6 bar, G 1". Energy-saving mode with standby function and power consumption under 1 kW.

Equipment
Heidenhain TNC 640, electronic handwheel HR 510, operator panel support 2 x 800 mm, remote diagnostics via network or SIM card. Lubrication depending on the component via pulse central lubrication, grease, oil mist and grease lubrication. Painting in RAL 7016, RAL 7004 and RAL 7035 with green-yellow accents.
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Installation / clamping technology
TightBlock substructure for flush floor installation with high mass for damping and customer-specific arrangement of fixators. Clamping plate DIN 876/2, 2,000 x 2,000 mm, T-slots 22 H12, spacing 250 mm. CNC rotary table Ø2,000 mm, 15 t load capacity, centering bush Ø100 H7, radial run-out 0.010 mm, axial run-out 0.025 mm, speed 5 1/min.

Tool and coolant system
ToolCenter for 48 tools with simultaneous loading, double gripper, automatic loading flap and approx. 10 s tool change time. Max. tool Ø125 mm, with free adjacent slots Ø250 mm, length 500 mm, weight 25 kg. Coolant system 950 l with paper band filter, filter fineness < 50 µm, high-pressure pump 40 bar / 32 l/min and washing gun.

Main drive / safety
Liquid-cooled AC main drive directly on the milling head: 50 kW at 100% duty cycle, 75 kW at 40% duty cycle. Speed 10–6,000 1/min, torque 802 Nm or 1,204 Nm. Tool holder SK 50 BIG-PLUS, draw-in force 20 kN.

SHW UniScan for 3D crash and vibration monitoring as well as machine diagnostics. Additionally: laser tool measurement, wireless measuring probe Renishaw RMP 60 Q, operating mode 3, 3-sided splash and chip guard, safety access, cladding panels, longitudinal grating and hinge belt chip conveyor.

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