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In injection mold design, the layout of venting slots is critical for ensuring efficient air evacuation and improving molding quality. A well-planned venting slot layout not only effectively prevents defects such as air pockets, short shots, and burn marks but also extends mold lifespan and enhances production efficiency.

Surface treatments for injection-molded parts can be categorized into three main types: ​​decorative treatments​​, ​​functional treatments​​, and ​​physical/chemical pretreatments​​.

The gating system of an injection mold serves as the critical channel connecting the injection machine nozzle to the mold cavity. Its design directly impacts the flow behavior of molten plastic, filling efficiency, and the final product quality. The gating system typically consists of four core components: the ​sprue, ​runner, ​gate, and ​cold slug well, which work together to transport, distribute, and control the molten plastic during molding.

In Electrical Discharge Machining (EDM) for molds, the dielectric fluid serves not only as a "discharge medium" but also fulfills multiple critical functions: ​​cooling, debris removal, gap stabilization, surface quality enhancement, and safety/environmental compliance​