Travelling column milling machine

SHW UF6L

Base machine / travel ranges:
X-axis machine stand 5,000 mm, Y-axis spindle head slide 2,100 mm, Z-axis spindle head 1,500 mm.

Machine stand:
Compact, torsion-resistant welded construction with hardened flat guide rails and telescopic steel covers to protect against chips and coolant.

Spindle head slide:
Cast iron design with hydraulic weight compensation, guided by combined roller/plain bearing guides.

Machine bed:
Flat bed design with approximately 1,200 mm guide rail width and roller compact guides for high precision.

Automatic universal milling head:
CNC-swiveling milling head arbor 340 x 1°, Hirth gearing approximately 125 kN; milling head 180 x 1°, approximately 100 kN; milling spindle with hydromechanical tool quick-change system, clamping force approximately 25 kN; tool holder SK 50, DIN 69871.

Main drive:
37 kW at 100% ED, 53 kW at 40% ED; externally ventilated AC motor, 2-stage gearbox with automatic changeover; speed 22–4,000 1/min.

Feed drives:
Digital AC individual drives; X/Y: 2–12,000 mm/min, Z: 2–15,000 mm/min.

Control system / measuring systems:
Central operation via Heidenhain TNC 430 M. Direct, non-contact linear measuring systems.
Optional: Heidenhain iTNC 530.

Electrical system:
EN 60204 / VBG 4, 400/230 V ±10%, 3 phases, 50 Hz, 24 V control voltage; connected load approximately 80 kVA. Control cabinet IP54, main motor IP55.

Lubrication:
Main gearbox / milling head drive oil circulation lubrication; main spindle grease long-life lubrication; guides / ball screws pulse central lubrication.

Coolant:
Internal / external coolant supply with paper band filter. Max. 50 l/min at 10 bar or 47 l/min at 16 bar; tank 500 l. Coolant / air changeover. Oil cooler for temperature stabilization and increased manufacturing accuracy.

Leveling system:
Electromechanical, via 2 vertical ball screws with separate drives, measuring systems, and CNC axes.

Working platform:
Moves in the X direction, with CNC control panel; electrically secured door with viewing window.

Pick-up station:
10 tools; max. tool weight 25 kg, length 400 mm, Ø 125 mm, with free adjacent slots Ø 250 mm.

Clamping plate:
Crodpfx Asz Dvycja Eei
3,500 x 3,000 mm; T-slots 22 H12 DIN 650, spacing 250 mm; clamping surface accuracy class 1 DIN 876.

CNC rotary table:
Clamping surface 1,250 x 1,600 mm / Ø 1,800 mm; Hirth division 360 x 1°; 6 longitudinal slots 22 H12, 2 positioning slots 22 H7; T-slot spacing 160 mm; centering bushing Ø100 H7 x 20 mm; max. 5 1/min; tilting moment 85,000 Nm; tangential moment 120,000 Nm; table load max. 11,500 kg.

Additional equipment:
Oriented spindle holder 360 x 1°; hinged band chip conveyor for X=5,000 mm, feed width approximately 350 mm, discharge height approximately 1,250 mm; 3D touch probe; electronic handwheel HR 410 for 3 axes; pendulum machining for 2 work areas with monitored safety areas; manually adjustable splash guard.

Collision monitoring:
Brankamp CMS with piezoelectric strain gauge; if the process limit is exceeded, the axes are braked and the machine is switched off.

Painting:
Machine / control cabinet RAL 7035, milling head / spindle head RAL 5021; DD structured paint, semi-gloss, oil and alkali resistant.

Power connection:
400 V, 3 phases, 50 Hz, 80 kVA, 160 A slow-blow; compressed air 4–6 bar, connection G 1/4. CE-relevant environmental protection to be provided on-site; adapter plates for chip / coolant return are not included.

Coordinate information: Y 730.0124.
Documentation: Operating manual SHW-UF6L and Heidenhain TNC

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