The Ulma TSA 875 PS is a used thermoforming machine — sometimes referred to as a tray sealer or form-fill-seal machine — designed to seal product-filled trays with a film lidding to create hermetically closed, retail-ready packaging. Ulma is a well-established Spanish manufacturer with a long history of producing packaging machinery for the food processing, fresh produce, and industrial sectors, supplying both horizontal flow wrappers and thermoforming systems to producers worldwide.
This 2019 machine has accumulated 1,503 working hours and is located in Greece, offered at $80,000. It operates as an automatic tray sealer with a sealing area of 330 × 875 mm, accommodating trays up to 80 mm in standard height or 120 mm in extended configuration. The servo motor matrix lifting system handles the vertical movement of the die, while arm opening and closing, together with die transfer, are also servo-driven — an arrangement that contributes to precise, repeatable sealing cycles and reduced mechanical wear compared with pneumatic-only counterparts. Die changes are tool-free, reducing downtime during format changeovers.
Tray feeding and positioning is handled by a drum motor belt conveyor, which provides smooth and controlled infeed without the noise or maintenance requirements associated with conventional geared motors. The film reel seat uses a pneumatic grip, and the machine is equipped with both film-end and film-break detectors to flag interruptions before they affect production output. Film tension is managed by a motorised control system, ensuring consistent lidding application across the sealing area.
Lubrication is centralised, simplifying routine maintenance across the machine's moving components. The control system is the manufacturer's UPC panel, built around an industrial PC with a 7-inch touchscreen — with an optional 10-inch screen — and structured around three levels of access authorisation to separate operator, supervisor, and maintenance functions. An Ethernet interface allows the machine to be integrated into a wider production network, and a maintenance programme is embedded directly in the control software, providing integrated event management and service scheduling.
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