Tray: Overwrapper

| Stage | Component | Function | |-------|-----------|----------| | 1. Product Infeed | Conveyor & flight bars | Transports filled trays into the machine. | | 2. Film Feeding | Unwind roll & dancer arm | Pulls flat film from a roll; tension is controlled. | | 3. Cutting & Placing | Rotary or reciprocating knife | Cuts a single sheet of film (sized to tray dimensions). | | 4. Wrapping & Folding | Plow folders & tucker blades | Folds film around the tray sides; creates "lap" or "fin" seals on bottom. | | 5. Sealing | Heated seal bars (top/bottom) | Applies heat and pressure to bond film layers together (lap seal). |