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found this on reddit and thought i would repost it. It was pretty interexting

https://www.youtube.com/watch?v=RMjtmsr3CqA&feature=youtu.be

That's a nice summary video of the injection molding process, thanks for posting it!

Nice! Just finished up a class on injection molding and he did a better job explaining the machine then my instructor did

One thing he left out though was that mold temperature and cooling time effect potential warpage of the part. A cooler mold allows the part to be ejected faster, but the part starts warping over the course of a couple weeks.

That video is pretty cool, the guy breaks down a complicated engineering process into layman's terms. I took a class called Manufacturing Methods in college, and we only briefly talked about injection molding. We spent more time on metal subjects (like forging, rolling, extrusion, etc.).