Digital printing machine

DURST TAU 330 LM

TECHNICAL DATA:
Type: 5-color digital UV inkjet press with separate white printing unit
Length: 4550 mm
Width: 1750 mm
Height: 2200 mm
Weight: 3000 kg
Connected load: 39 kW / 60 A
Power supply: 400 V, 3-phase, 50 Hz
Auxiliary power: 230 V, 50 Hz (chiller)
Compressed air consumption: 100 NL/min
Required cooling capacity: 18 kW (60,000 BTU/h)
Data interfaces: USB 2.0, Ethernet

COOLING UNIT (RECOLD RE-C 160 INERT)
Cooling capacity: 16,000 W
Refrigerant type: R134a
Refrigerant charge: 4.5 kg
Power consumption: 8.5 kW
Max. current: 15 A

PRINTING TECHNOLOGY:
Process: Piezo DOD
Printheads: Xaar 1001
Resolution: 720 × 360 dpi

UV DRYING SYSTEM:
UV lamps:
• 1× Hönle UV GOZ, 7.2 kW
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• 1× Hönle UV FOZ, 7.2 kW
Pinning: LED pinning after print units 1 and 5
Exhaust: Integrated lamp cooling and odor reduction

INERT GAS CURING SYSTEM:
Type: Oxygen-reduced curing unit
Gas consumption: < 6 m³/h

WEB AND PRINT PARAMETERS:
Process: Roll-to-roll
Web width: 350 mm
Print width: 330 mm
Repeat length: 10–1000 mm
Register accuracy: ± 50 µm
Print tolerance:
• Single distance: ± 0.2 mm
• Cumulative per meter: ± 1.5 mm
Speed:
• 4-color mode: up to 48 m/min
• With white ink: up to 30 m/min
• Adjustable speed range: 18–48 m/min

WEB TREATMENT AND HANDLING:
Corona station: 1500 VA
Web cleaning: Polymer roller LC 350
Antistatic units: 3 pieces
Edge guiding: Before print module
Roll diameter (unwind/rewind): max. 610 mm
Roll weight (unwind/rewind): max. 120 kg
Shafts: Pneumatic expanding shafts, 76 mm core
Splice table: Integrated slitting and splicing table

SUPPORTED SUBSTRATES:
• Coated and uncoated paper
• PP, PE, PVC, POPP (white or transparent)
• Aluminum foil (coated or uncoated)
• PET films
• Acrylic coatings
• CN-based primers
• PET-based primers
• Hybrid dispersion primers

INK SYSTEM:
Ink type: UV-curable, low migration
Food & pharma compliance: Indirect contact
Free monomers: < 10 ppb
Ink laydown: 8.2 g/m² at 100% area coverage
Cartridge change: Possible during operation
Empty cartridge signal: Optical or acoustic

PRINTHEAD MAINTENANCE:
Ink recirculation system: Enclosed design
Automatic daily cleaning: Suction cleaning before operation
Manual cleaning: Lint-free cloth

SOFTWARE:
• RIP software: Esko Artwork
• ICC profile management
• Supported data formats: PDF-X1, PDF-X3, EPS, AI
• Internal storage for designs
• Unlimited substrate recipe storage
• Touchscreen operator panel

CONTROL AND SAFETY:
• UV lamp overheat and operational monitoring
• Machine interlock in event of UV system failure
• Ink level warning system
• Emergency stop

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