Product Details

Once the design is finalized, the molds are manufactured. This typically involves using high-precision machining techniques such as computer numerical control (CNC) milling and electrical discharge machining (EDM) to create the complex cavities and features of the molds. The molds are made from materials such as steel or aluminum, depending on the specific application and production requirements.

After the molds are manufactured, the actual injection molding process begins. In a stack injection molding machine, multiple molds are stacked on top of each other and connected to a single injection unit. The plastic material is melted and injected into the molds through a series of gates and runners. The injection pressure and temperature are carefully controlled to ensure proper filling and packing of the molds.

During the molding process, the molds are cooled using a combination of water cooling channels and air cooling. This helps to solidify the plastic and ensure dimensional stability of the parts. Once the parts are fully cooled, the molds are opened and the parts are ejected.

The stack injection mold manufacturing process offers several advantages over traditional single-mold injection molding. These include increased production efficiency, reduced cycle times, and lower production costs. Additionally, stack injection molding allows for the production of complex parts with multiple features and tight tolerances.

Overall, the stack injection mold manufacturing process is a highly specialized and complex technique that requires advanced engineering, manufacturing, and quality control capabilities. However, it offers significant advantages in terms of production efficiency and cost savings, making it an increasingly popular choice for many applications.