Cap injection molding is a manufacturing process that is widely used for producing various types of caps and closures for different products such as bottled drinks, food containers, and personal care items. The process involves melting a plastic material and injecting it into a mold to produce the desired shape. Cap injection molding machines play a crucial role in this process as they determine the quality and efficiency of the end product. In this article, we will provide a comprehensive guide on cap injection molding machines, including their working principle, types, and key factors to consider when purchasing one.