How Does an Injection Molding Machine Work?

Injection molding is the world’s most used method of creating plastic parts and products. But what does an injection molding machine actually do? How are machines different from each other? And how large should your production series be for injection molding to become cost effective?
In this video, you'll get a step-by-step explanation of how injection molding machines work.
Included animation of an hydraulic clamping system for an injection molding machine made by Laurensvanlieshout under the Creative Commons Attribution-Share Alike 4.0 International license.