What is a Steam Tunnel Machine | Shrink Steam Tunnels

  A steam tunnel machine is a specialized piece of equipment used in the packaging industry, particularly for shrink wrapping products. Here's a more detailed breakdown of how it works and its components:

  1. Conveyor System: The machine typically consists of a conveyor belt or chain system that moves products through the packaging process. The conveyor carries the products into the steam tunnel and then out after the shrink wrapping process is complete.

  2. Steam Chamber: The heart of the steam tunnel machine is the steam chamber, where the shrink wrapping process occurs. This chamber is enclosed and sealed to contain the steam generated within.

  3. Steam Generation: Steam is produced using a boiler or steam generator connected to the steam tunnel machine. The steam is then released into the chamber to heat the plastic film.

  4. Heating Elements: Within the steam chamber, there are heating elements that help distribute the steam evenly and maintain the desired temperature for shrinking the plastic film. These heating elements ensure uniform shrinkage across the entire surface of the product.

  5. Plastic Film Rollers: Before entering the steam chamber, the products are wrapped with a layer of plastic film. The film is usually stored in a roll, and rollers or belts help guide the film around the products as they move through the machine.

  6. Adjustable Settings: Steam tunnel machines often come with adjustable settings for temperature, conveyor speed, and steam intensity. These settings can be customized based on the type and size of the products being shrink wrapped.

  7. Cooling Zone: After the products exit the steam chamber, they pass through a cooling zone where the plastic film sets and conforms tightly to the shape of the products. This ensures a snug and secure fit of the shrink wrap.

  8. Control Panel: The machine is typically equipped with a control panel where operators can monitor and adjust the various settings. This allows for precise control over the shrink wrapping process to achieve the desired results.

  Overall, steam tunnel machines offer an efficient and effective way to shrink wrap products, providing a protective barrier and enhancing their visual appeal for retail display. They are widely used in industries such as food and beverage, cosmetics, pharmaceuticals, and consumer goods.