From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 764/CH6/EX6.7.b/result6_7.txt | 56 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100755 764/CH6/EX6.7.b/result6_7.txt

(limited to '764/CH6/EX6.7.b/result6_7.txt')

diff --git a/764/CH6/EX6.7.b/result6_7.txt b/764/CH6/EX6.7.b/result6_7.txt
new file mode 100755
index 000000000..b92ae125b
--- /dev/null
+++ b/764/CH6/EX6.7.b/result6_7.txt
@@ -0,0 +1,56 @@
+-->//(Power Screws) Example 6.7
+ 
+-->//Speed of the tool holder v (m/min)
+ 
+-->v = 5
+ v  =
+ 
+    5.  
+ 
+-->//Number of starts of the screw n
+ 
+-->n = 1
+ n  =
+ 
+    1.  
+ 
+-->//Nominal diameter of the screw d (mm)
+ 
+-->d = 48
+ d  =
+ 
+    48.  
+ 
+-->//Pitch of the screw p (mm)
+ 
+-->p = 8
+ p  =
+ 
+    8.  
+ 
+-->//Force exerted by operating nut W (N)
+ 
+-->W = 500
+ W  =
+ 
+    500.  
+ 
+-->//Mean radius of the friction collar rm (mm)
+ 
+-->rm = 40
+ rm  =
+ 
+    40.  
+ 
+-->//Coefficient of friction at thread and collar surfaces mu
+ 
+-->mu = 0.15
+ mu  =
+ 
+    0.15  
+ 
+
+The power required to drive the screw(kW) = 0.347319 kW
+
+Efficiency of the mechanism(eta) = 11.996655 percent
+ 
\ No newline at end of file
-- 
cgit