Air must escape as plastic fills the mold. If not, the air compresses, heats up, and causes (burn marks) or incomplete filling.
This is rule #1. Wall thickness should be as consistent as possible. injection mold design guide
The mold is split into two halves: The (A-side, stationary, creates the outside of the part) and the Core (B-side, moving, creates the inside). Plastic shrinks onto the core. Air must escape as plastic fills the mold
Air must escape as plastic fills the mold. If not, the air compresses, heats up, and causes (burn marks) or incomplete filling.
This is rule #1. Wall thickness should be as consistent as possible.
The mold is split into two halves: The (A-side, stationary, creates the outside of the part) and the Core (B-side, moving, creates the inside). Plastic shrinks onto the core.
