Hard-shell luggage is a popular choice among travelers due to its durability and protection for their belongings. These luggage pieces are made using a process called vacuum forming, which involves heating a sheet of plastic and using a vacuum to pull it over a mold to create the desired shape.

The process begins by selecting the type of plastic material that will be used to make the luggage. The most common types of plastic used in vacuum forming are polyethylene terephthalate (PET), polycarbonate (PC), and acrylonitrile butadiene styrene (ABS). Each of these materials has different properties, such as strength, flexibility, and transparency, which can be taken into consideration when choosing the right one for a particular luggage design.

Once the plastic material has been selected, it is placed in an oven to be heated until it becomes pliable. The heated plastic sheet is then placed over a mold that is the same shape as the desired luggage piece. A vacuum is used to pull the plastic sheet down onto the mold, and it is held in place until it cools and hardens.

After the plastic has cooled and hardened, it is removed from the mold and any excess material is trimmed away. The luggage piece is then inspected for defects and any necessary finishing touches are applied, such as painting, texturing, or adding hardware.

The vacuum forming process is efficient and allows for the production of hard-shell luggage in large quantities. It is also a relatively cost-effective method for producing these luggage pieces, which makes them an affordable option for consumers.

Overall, vacuum forming is an important process in the production of hard-shell luggage. It allows for the creation of durable and protective luggage pieces that are suitable for a wide range of travel needs.