Plastic Film Sheet Dispenser

CUSTOMER:
Maclab
PRODUCT:
MODEL:
RATE:

Challenge

Maclab had identified improvements required to processes on their Slurry Freezing Line. Their main challenge was they had engaged companies in the past that hadn’t quite hit the mark when it came to execution.

Maclab required an automated machine to apply parchment sheets to their existing trays. The sheet needed to be drawn out, cut to length and laid accurately in the tray to ensure their valuable product was retained within the one-piece sheet.

Adding to the scope was delivering controllable spacing of filled trays through their blast freezer. This was to maximise the freezer’s efficiency and eliminate the mussel slurry from spilling out of the tray.

Solution

We developed a T117 Sheet Dispenser for Maclab. The T117 was designed to use existing rolls of film (which had proved challenging to dispense in the past). An operator loads the rolls into the machine. The machine has a servo-controlled draw system that accurately measures the length of the film; a flying knife cuts the film; grippers help to lay the cut film accurately into a waiting tray. The tray is conveyed out of the machine, and a new empty tray is conveyed in and placed into the sheeting position.

The sheeted tray is conveyed through a filling machine, where the mussel slurry is added to the tray. The tray is conveyed to the infeed of the freezer, where our T113 Indexer feeds the trays into the freezer. Maclab wanted the ability to control the speed of the trays through the freezer as well as the gap between the trays. We engineered a servo-controlled pusher that worked with an encoder that we retrofitted to the existing freezer conveyor. Linking the servo pusher and encoder through the new HMI that we installed gave the Maclab team all the control they needed to achieve the project deliverables.

The project was a success for Maclab and us. For us, designing two bespoke items for our customer, and for Maclab, they now have a system that allows them to obtain the output and product quality they require.

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