Rotary arm stretch wrapper Luna A3

automaticwith top cover sheet dispenserwith touchscreen

Overview
Luna A3 is an automatic rotary-arm stretch wrapper designed for medium production capacities. It integrates an electronic pre-stretch system (standard 300 %, EPS option up to 400 %) to optimise film usage and reduce operating costs. The machine secures pallets up to 1,250 × 1,250 mm and supports floor-level wrapping for low loads.

Key features

• Automatic rotary-arm stretch wrapper for floor-level or raised conveyor operation
• Average throughput: up to 60 pallets/hour (application dependent)
• Electronic film tension control adapting to the load unit profile
• Floor-level wrapping capability for low or unstable loads
• Optional external or built-in cover-sheet dispenser for dust protection
• Siemens HMI with standardised, user-oriented interface

Standard features

• Guaranteed film savings with 300 % mechanical pre-stretch (EPS option up to 400 %)
• Electronic regulation of film unwind speed and tension according to product profile
• Durable cutting and welding system with consistent seal formation
• Cord / tail formation for secure film ends
• Compatibility with rollers, chains, belts or no conveyor (machine-only configuration)

Options

• External or built-in cover-sheet dispenser (dust protection)
• Pneumatic and motorised hold-down device
• EPS — electronically variable, 2-motor film pre-stretch system (up to 400 %)
• Integration of up to 5 conveyor systems via external control cabinet
• Additional frame height and additional arm height

Technical data

• Model: Luna A3
• Performance: up to 60 pallets/hour (indicative)
• Maximum pallet size handled: up to approx. 1,250 × 1,250 mm
• Stretch film — max film height: 500 mm; max roll diameter: 250 mm; core diameter: 76 mm; film thickness: 10–35 µm
• Cover film — max roll diameter: 300 mm; core diameter: 76 mm; film thickness: 15–90 µm
• Pre-stretch: standard 300 %; EPS option electronically variable up to 400 %
• Electrics: 400 V, 50 Hz, 3L+N+PE (other voltages on request)
• Compressed air: 6 bar; air consumption: approx. 27 nl/pallet
• Delivery head options: 100 mm, 300 mm, 500 mm
• Conveyor compatibility: rollers, chains, belts or without conveyor
• Weight: approx. 850 kg (without options)