initial commit / add all books

1 files changed, 14 insertions, 0 deletions

diff --git a/2921/CH6/EX6.1/Ex6_1.sce b/2921/CH6/EX6.1/Ex6_1.sce
new file mode 100755
index 000000000..8bc582eae
--- /dev/null
+++ b/2921/CH6/EX6.1/Ex6_1.sce
@@ -0,0 +1,14 @@
+clc;
+clear;
+mprintf('MACHINE DESIGN \n Timothy H. Wentzell, P.E. \n EXAMPLE-6.1 Page No.120\n');
+
+As=0.334;              //[in^2] Tensile stress area (Table 6.1)
+Sp=85000;              //[lb/in^2] Proof strength (Table 6.3)
+D=3/4;                 //[in] Nominal diameter of thread
+
+Fi=0.85*As*Sp;         //[lb] Desired intial preload
+C=0.2;                 //[] Torque coefficient
+
+T=C*D*Fi;              //[in*lb] Torque
+
+mprintf('\n The required torque is %f lb*in.',T);