The usage of a stretch film automatic wrapping machine involves the following steps:

1. Load the pallet: Place the pallet or product on the turntable of the machine.
2. Start the machine: Press the start button to initiate the wrapping process.
3. Wrap the pallet: The machine automatically wraps the stretch film around the pallet or product. The number of wraps and the tension can be adjusted according to the requirements.
4. Cut the film: After the pallet is wrapped, the machine automatically cuts the stretch film.
5. Remove the wrapped pallet: Remove the wrapped pallet or product from the turntable.

Stretch film automatic wrapping machines are widely used in a variety of industries, including:

1. Manufacturing: Stretch film automatic wrapping machines are used to wrap products and components in manufacturing plants.
2. Warehousing: Stretch film automatic wrapping machines are used to wrap pallets of products for storage and transportation in warehouses.
3. Logistics and shipping: Stretch film automatic wrapping machines are used to wrap pallets of products for transport.

Overall, stretch film automatic wrapping machines are a fast and efficient way to wrap pallets and products with stretch film, making them more secure and stable for storage or transportation. They can help to improve productivity and safety in a variety of applications.