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Q
how does plastic blow molding work
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
Plastic blow molding is a manufacturing process used to create hollow plastic parts. It involves heating a plastic material until it's in a molten state and then inflating it into a mold cavity using air pressure. This process starts with creating a preform or parison, which is a tube-like piece of plastic with a hole in one end. The parison is then clamped into a mold, and air is blown into it, forcing the plastic to expand and take the shape of the mold. Once the plastic cools and hardens, the mold opens to eject the finished product. There are three main types of blow molding: extrusion, injection, and stretch blow molding, each suited for different applications and materials. This process is widely used for making bottles, containers, and other hollow shapes because it offers design flexibility, efficient production times, and relatively low costs.
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