2 files changed, 22 insertions, 0 deletions
diff --git a/3257/CH9/EX9.2/Ex9_2.sce b/3257/CH9/EX9.2/Ex9_2.sce
new file mode 100755
index 000000000..c2e7ff0a7
--- /dev/null
+++ b/3257/CH9/EX9.2/Ex9_2.sce
@@ -0,0 +1,17 @@
+// Forces in surface grinding
+clc
+d = 0.04 // depth of cut in mm
+D  = 200 // diameter in mm
+N = 3600 // Rotation in rpm
+w = 20 // width of cut in mm
+v = 1200 // velocity in mm/min
+u = 41 // specific energy in W-s/mm^3
+x = 0.3 // fractional increase
+printf("\n Example 9.2")
+mrr = d*w*v*10
+power = u*mrr/60
+T = power/(2*%pi*N/60)
+F_c = T/(D*1e-3/2)
+F_n = (1+x)*F_c
+
+printf("\n\n Forces in surface grinding are as: \n F_c:%d N \t F_n: %d N",F_c, F_n)
diff --git a/3257/CH9/EX9.2/Ex9_2.txt b/3257/CH9/EX9.2/Ex9_2.txt
new file mode 100755
index 000000000..e38ff4ce5
--- /dev/null
+++ b/3257/CH9/EX9.2/Ex9_2.txt
@@ -0,0 +1,5 @@
+ 
+ Example 9.2
+
+ Forces in surface grinding are as: 
+ F_c:174 N 	 F_n: 226 N 
+\ No newline at end of file