Metal 3D Printers Giveaway: Message us on https://bix.co/@actionboxinc
Visit our website: https://actionbox.ca/
We built an ultra high vacuum furnace for our garage to go along with our DIY Metal 3D printer. We started by buying a vacuum chamber from a company in California, performed an elemental analysis on the residue inside to ensure that it isn’t toxic, and then we installed all of the pumps and pressure gauges. Once our vacuum was working well, we designed and built our own vacuum style furnace, which unlike conventional furnaces that have very thick insulation, only has 3 thin layers of heat shields, which act as far better insulation (in a vacuum). These shields are the right way to insulate in a vacuum, as the primary mode of heat transfer in a vacuum is radiation, similar to how earth gets its heat from the sun. These heat shields reflect the heat back inwards like mirrors (but for infrared radiation), allowing us to heat up our materials in an oxygen free environment. Yes, this has less oxygen in it than if we used “pure argon” from a welding shop instead, but also having an inert gas in the chamber would suck the heat away, which will reduce our maximum temperature that we can achieve. Enjoy and comment your questions 😃
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BIX ► https://bix.co/@actionbox
OTHER COOL MACHINES WE BUILT
Metal Injection Molder ► https://youtu.be/Ys-RMVJ89dk
CNC Machine ► https://youtu.be/FkGdJMVJ1Fc
CNC Lathe ► https://youtu.be/GGVa0gTO7Wc
Desktop Injection Molding Machine ► https://youtu.be/M28Pbrm7wzE
Wire EDM ► https://youtu.be/2ewSbI52ICc
Plastic Injection Machine ► https://youtu.be/l4gGWufoIYI
CNC Router ► https://youtu.be/O2LlD0qsXwY
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