Milling a wiper for a metal 3D printer

Cuts Finished wiper Chips Machining aluminum 6061 for a friend who is working on a metal 3D printer. You got to love the mountain of chips! Squaring off big parts is always an issue, specially that you have to clamp down the parts and make sure it is aligned with a dial indicator. [Read More]

Combustion Chamber

I designed a combustion chamber with optical quart glass access and instrumentation ports for my research during graduate school. The chamber had to be leak proof in vacuum and when pressurized up to 200psig. Previous design were complicated with many parts, so the new design was simplified to have 3 main blocks bolted together and housing the quart glass as seen in the CAD model below. CAD drawing of main chamber showing 3 blocks and quartz glass: I decided to go with stainless steel material SS304 for its low thermal conductivity, high strength, and good corrosion properties. [Read More]