Here's an interesting Video and idea, for making a Vacuum Chamber. "This is a home-made vacuum chamber, made from a pressure cooker (3mm aluminium) and a sheet of 12mm polycarbonate. I drilled a hole in the side and added a vacuum inlet - Which is simply attached to the vacuum side of my standard air compressor (the side that usually is exposed to the air)."

Check out the Related videos and the How To info Site, on Guerrilla guide to CNC machining, mold making, and resin casting Below, too...

Don

Shaving foam in a homemade vacuum chamber (WARNING: Loud!)

Video link...
https://www.youtube.com/watch?v=ec7rjOk-FzM

Uploaded on Dec 22, 2011

This is a home-made vacuum chamber, made from a pressure cooker (3mm aluminium) and a sheet of 12mm polycarbonate. I drilled a hole in the side and added a vacuum inlet - Which is simply attached to the vacuum side of my standard air compressor (the side that usually is exposed to the air).

At the lowest, I measure 27 inches of mercury (0.09 x atmospheric pressure).

At the end of the video I slowly release the pressure and the foam once again collapses to it's normal volume. You can also see the polycarbonate sheet visibly return to flat as the pressure is released.

Category
- Science & Technology
License
- Standard YouTube License

Guerrilla guide to CNC machining, mold making, and resin casting

Home manufacturing tutorial for robot builders, model makers, and other hobbyists

Copyright (C) 2013, 2014, 2015 by Michal Zalewski (lcamtuf@coredump.cx)

Table of contents:

1. Introduction

A quick overview of what this guide has to offer to DIYers looking for a CNC mill - and to those who have already settled on low-cost 3D printing or any other rapid prototyping technology out there.

2. Setting up a CNC mill

Pointers for selecting a low-cost, hobbyist-friendly CNC mill, stocking up on tools, and keeping the whole setup in great condition for many years to come.

3. Mastering CAD and CAM

Tips for finding the right CAD and CAM software - plus a quick but in-depth tutorial on three-dimensional modeling.

4. Resin casting and you

Advanced, workshop-safe methods of producing durable, high-performance parts of almost any kind - from tough rubbers to bullet-stopping composites.

5. Essential parts for robot builders

Advice on how to build a library of prefabricated components for all sorts of electromechanical work.

6. Practical part geometries

A no-nonsense primer on mechanical engineering, gear design, and power transmission layouts.

7. Workshop safety topics

The sort of things you probably need to know to avoid setting yourself on fire.

8. Closing notes

Or, click here to view the entire guide as a single page.