From d85775d695990980286ce535489d6b08d0017b01 Mon Sep 17 00:00:00 2001 From: Sam Calisch <sam.calisch@cba.mit.edu> Date: Thu, 20 Dec 2018 16:16:54 -0500 Subject: [PATCH] Update README.md --- README.md | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index da71b3a..006d3dc 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) -- GitLab