From 0469dfa25ca6cf5d1d1195acf311ef6211d755d2 Mon Sep 17 00:00:00 2001
From: Grace Copplestone <gracecopplestone@dhcp-18-111-31-201.dyn.mit.edu>
Date: Fri, 28 Jul 2017 10:10:30 -0400
Subject: [PATCH] added foam

---
 index.html | 26 +++++++++++++++++++++-----
 1 file changed, 21 insertions(+), 5 deletions(-)

diff --git a/index.html b/index.html
index 6e17e80..82eaced 100755
--- a/index.html
+++ b/index.html
@@ -125,7 +125,13 @@
 			<td>Steel</td>
 			<td>200 ft/min</td>
 			<td>Cutting generates a lot of heat, making oil based coolant preferable. Many machining spindles require 2000 rpm or more, to provide adequate cutting torque, which means that you have to use relatively small diameter end mills in order to end up with surface speeds this low. If not using coolant, then max surface speed is 50 ft/min.</td>
-		</tr>	</table>
+		</tr>
+		<tr>
+			<td>Insulation foam</td>
+			<td>1000 ft/min</td>
+			<td>Good for large moulds and as core for wings.</td>
+		</tr>
+			</table>
 
 
 	<h2>Chip load</h2>
@@ -143,16 +149,16 @@
 			<td>MDF</td>
 			<td>1/8"<br>1/4"<br>3/8"<br>1/2" & up</td>
 			<
-			<td>.004" - .007"<br>.013" - .016"<br>.020" - .023"<br>.025" - .027</td>
+			<td>.004" - .007"<br>.013" - .016"<br>.020" - .023"<br>.025" - .027"</td>
 		
 			<td>OSB</td>
 			<td>1/8"<br>1/4"<br>3/8"<br>1/2" & up</td>
-			<td>.004"-.006"<br>.011" - .013"<br>.017" - .020"<br>.021" - .023</td>
+			<td>.004"-.006"<br>.011" - .013"<br>.017" - .020"<br>.021" - .023"</td>
 		</tr>
 		<tr>
 			<td>Wax</td>
 			<td>1/8"<br>1/4"<br>3/8"<br>1/2" & up</td>
-			<td>.0089" - .005"<br>.010" - .015"<br>.015" - .020"<br>.025" - .033</td>
+			<td>.0089" - .005"<br>.010" - .015"<br>.015" - .020"<br>.025" - .033"</td>
 		
 			<td>HDPE</td>
 			<td>1/8"<br>1/4"<br>3/8"<br>1/2" & up</td>
@@ -175,7 +181,17 @@
 			<td>Steel</td>
 			<td>1/8"<br>1/4"<br>3/8"<br>1/2" & up</td>
 			<td>.0004" - .0008"<br>.0008" - .001"<br>.0012" - .0015"<br>.0015" - .0025"</td>
-		</tr>	</table>
+		</tr>
+		<tr>
+			<td>Insulation foam</td>
+			<td>1/8"<br>1/4"<br>3/8"<br>1/2" & up</td>
+			<td>.004"-.006"<br>.011" - .013"<br>.017" - .020"<br>.021" - .023"</td>
+		
+			<td></td>
+			<td></td>
+			<td></td>
+		</tr>
+			</table>
 
 	<h2>Spindle speed</h2>
 		<div id="page">
-- 
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