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Core and cavity inserts are crucial components used in the manufacturing of injection molds, playing a key role in the formation of products. Core Insert: The core insert, also known as simply the core, is an internal component of the mold typically situated on the core side (movable side). It is responsible for creating the internal features of the molded part. Core inserts are commonly made of steel such as P20, 718H, 1.2344, or S136, and they are often removable from the mold. Cavity Insert: The cavity insert serves a similar function to the core insert but is located on the fixed side of the mold. It is the external part of the mold, defining the external shape of the molded part. Cavity inserts are typically made of steel such as NAK 80, S136, 1.2344, or H13, and like core inserts, they are often removable from the mold. Both core and cavity inserts are usually manufactured using either Electrical Discharge Machining (EDM) or Computer Numerical Control (CNC) machining processes. Here's a brief overview of these manufacturing processes: Electrical Discharge Machining (EDM): Start by creating a mold design using 3D modeling software. Load the design into an EDM machine, which uses electrical discharge to erode the surface of conductive materials (e.g., steel or aluminum) to form the desired shapes of core or cavity inserts. After machining, the finished parts undergo heat treatment to improve their strength and durability. Computer Numerical Control (CNC): Similar to EDM, begin by creating a mold design using 3D modeling software. Load the design into a CNC machine, which uses cutting tools (e.g., end mills or drills) to remove material from steel or aluminum blocks to form the desired shapes of core or cavity inserts. After machining, the finished parts undergo heat treatment to improve their strength and durability. Both EDM and CNC machining processes are capable of producing highly precise and accurate parts, making them widely used in the manufacturing of core and cavity inserts. In summary, core and cavity inserts are integral components in mold making, facilitating the precise formation of plastic and metal parts in manufacturing processes such as injection molding or casting.