Electron Beam Melting 3d Printing
Electron beam melting is a similar process to selective laser melting. Electron beam melting differs…
Acidity in Bottled Water
Updated 1/1/2019 Recently I was asked about a video of someone promoting alkaline water by measuring the…
Laser Stereolithography
Stereo-lithography was one of the first additive manufacturing systems developed. In 1986, Charles Hull patented…
Curves and Splines in CAD
Computed-aided drafting and computer generated imaging software involves the representation of irregular curves. As storing…
Direct Metal Laser Sintering
In direct metal laser sintering, metal powder is placed on a print bed by an…
How is Poka-yoke Used in Fixture Design?
Poka-yoke, the process by which mistakes are engineered out of a design, is often incorporated…
How are Injection Molding and Die Casting Related?
Injection molding and die casting are similar manufacturing processes that produce parts for product assemblies.…
Aluminum Levels in Vaccines Relative to the Environment
Updated 1/1/2019 Recently a reader wrote in asking for a discussion on the amount of…
CAD Tutorial: Let's Make a Spur Gear
I got asked if I could show the steps in using a CAD program to…
Basic CAD Terms
Recently someone asked me if I could briefly go over some computer-aided drafting terms. First…