Müller Martini A74 – 10-Color Web Offset

MÜLLER MARTINI A 74

High-performance 10-color web offset press with integrated flexo finishing: equipped with 2 brand-new ESS flexo units with UV-drying (only tested, never used in production), Contiweb non-stop unwinder, Müller Martini cross cutter with Unistacker, and AMAL non-stop rewinder. Advanced register and quality control, wide substrate range, and flexible UV/Hot Air drying configuration.

Key Features
• 10-color web offset press
• 2 ESS flexo units with UV-drying – brand-new, tested only, never used in production
• Contiweb non-stop unwinder for continuous roll change
• Müller Martini cross cutter with Unistacker
• AMAL non-stop rewinder
• IST UV system for UV varnish and special applications
• Hot air drying for dispersion coatings
• Extensive register & quality control (video monitoring front/back, longitudinal & lateral register, color zone control)
• Large substrate flexibility (paper and films)

Technical Specifications
• Drive/Power: 2× DC main motors, total 72 kW
• Electrical: Press 300 A; UV 200 A; 6 UV units
• Printing units: 10 inserts 25" + 9 inserts 24" (10-color configuration)
• Turning bars: between units 2/3, 4/5, 5/6
• Formats: 24" and 25"
• Plate sizes:
o 24": 627 × 745 × 0.30 mm
o 25": 652 × 745 × 0.30 mm
• Blanket: 1.05 mm – 765 × 635 mm
Substrate Range
• Paper width: 220 – 740 mm
• Printing width: max. 740 mm
• Paper weights: 40 – 300 g/m²
• Film thickness: 12 – 300 µm
• Channel: 4 mm
Reel Handling
• Unwinding: Roll diameter 127 cm
• Rewinding: Roll diameter 127 cm; cores 70 / 76 / 150 / 200 mm; roll-to-roll
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• Peripheral equipment: Contiweb non-stop unwinder, Müller Martini cross cutter with Unistacker, AMAL non-stop rewinder

Flexo & UV Equipment
• 2 ESS flexo units with UV-drying (new): ideal for coatings, special colors, inline finishing
• Hot air drying for dispersion coatings (front & reverse side)
• IST UV system (UV varnish) – configurable positions within the press
UV/Thermal Drying Options
• IST UV: multiple installation positions (e.g. after unit 1, 2, 4, 5, 10, and at flexo unit)
• Hot air: front/back, suitable for dispersion coatings
Anilox & Printing Modes (Flexo)
• Anilox volumes (examples): 30 / 14.2 / 13.5 / 9.1 / 8 cm³/m²
• Cylinder configurations (24" & 25"): 4/0, 3/1, 2/2

Register & Quality Control
• Web guiding
• Video monitoring (front & reverse)
• Longitudinal & lateral register
• Color zone control

Finishing & Tooling
• Remaliner: 4 single + 2 double discs
• Punching:
o 24": divisions 0 / 4 / 6 / 8 / 12 (head/side); 2 discs, 80 mm spacing, eccentric adjustable
o 25": divisions 0 / 4 1/6 / 6 1/4 / 8 1/3 / 12 1/2 (head/side); 4 discs, 80 mm spacing, eccentric adjustable
• Perforation:
o 1× perforation cylinder 24" (division 0 / 4 / 6 / 8 / 12; partial perforation possible, mounted on punching shaft)
o 1× perforation cylinder 25" (division 0 / 4 1/6 / 6 1/4 / 8 2/6 / 12 1/2; partial perforation possible, mounted on punching shaft)
o 1× magnetic cylinder 24"

Peripheral Equipment & Handling
• Contiweb non-stop unwinder (continuous roll change, higher efficiency)
• Müller Martini cross cutter with Unistacker (inline cross cutting & stacking)
• AMAL non-stop rewinder (trouble-free, high reliability)