diff --git a/README.md b/README.md index da71b3a5e16801f80dbeb78eba87e6da5723325a..006d3dc9cee761c36e278b4c3e74293180f3847a 100644 --- a/README.md +++ b/README.md @@ -30,7 +30,13 @@ Given the long machining time, we ultimately decided to do a 1/3-scale test cut ## Micromachining -test +Using a .030" diameter end mill with amorphous diamond coating (<a href='http://www.harveytool.com/ToolTechInfo.aspx?ToolNumber=72030-C4'>Harvey Tool 72030-C4</a>), we machined the flexure from .020" Aluminum 2024 sheet in 2.5 minutes (comparable to the waterjet). + +Here is a 50% scale flexure (.010" beams, .015" gaps) machined from .020" thick Aluminum 2024 sheet using a .015" diameter end mill with amorphous diamond coating (<a href='http://www.harveytool.com/ToolTechInfo.aspx?ToolNumber=72015-C4'>Harvey Tool 72015-C4</a>). It was fixtured using burnished PSA tape to both the substrate and the stock, with CA superglue applied between the tape layers. + +<img src='images/flexure-0.5-penny.jpg' width=300px> + + ## [Fablight fiber laser](http://cba.mit.edu/tools/display/?type=tool&id=fablight_3000_laser_cutter)