diff options
Diffstat (limited to '764/CH7/EX7.11.b')
-rwxr-xr-x | 764/CH7/EX7.11.b/result7_11.txt | 49 | ||||
-rwxr-xr-x | 764/CH7/EX7.11.b/solution7_11.sce | 18 |
2 files changed, 67 insertions, 0 deletions
diff --git a/764/CH7/EX7.11.b/result7_11.txt b/764/CH7/EX7.11.b/result7_11.txt new file mode 100755 index 000000000..05d6f959d --- /dev/null +++ b/764/CH7/EX7.11.b/result7_11.txt @@ -0,0 +1,49 @@ +-->//(Threaded Joints) Example 7.11
+
+-->//Refer Fig.7.26 on page 243
+
+-->//Screw pitch circle diameter 2b (mm)
+
+-->b = 300/2
+ b =
+
+ 150.
+
+-->//Flange diameter 2a (mm)
+
+-->a = 400/2
+ a =
+
+ 200.
+
+-->//External force acting on the bearing P (kN)
+
+-->P = 25
+ P =
+
+ 25.
+
+-->//Eccentricity value l (mm)
+
+-->l = 150
+ l =
+
+ 150.
+
+-->//Maximum permissible tensile stress in the cap screw sigmaMax (N/mm2)
+
+-->sigmaMax = 50
+ sigmaMax =
+
+ 50.
+
+-->//Number of cap screws n
+
+-->n = 4
+ n =
+
+ 4.
+
+
+The nominal diameter of the cap screw(d) = 15.000000 mm
+
\ No newline at end of file diff --git a/764/CH7/EX7.11.b/solution7_11.sce b/764/CH7/EX7.11.b/solution7_11.sce new file mode 100755 index 000000000..f71362b43 --- /dev/null +++ b/764/CH7/EX7.11.b/solution7_11.sce @@ -0,0 +1,18 @@ +
+//Obtain path of solution file
+path = get_absolute_file_path('solution7_11.sce')
+//Obtain path of data file
+datapath = path + filesep() + 'data7_11.sci'
+//Clear all
+clc
+//Execute the data file
+exec(datapath)
+//Calculate the tensile force in the cap screw P1 (N)
+P1 = (2 * P * 1000 * l * (a + (b * cosd(180/n))))/(n * ((2 * (a^2)) + (b^2)))
+//Calculate the core diameter of the cap screw dc (mm)
+dc = ((P1 * 4)/(%pi * sigmaMax))^(1/2)
+//Calculate the nominal diameter of the cap screw d (mm)
+d = dc/0.8
+d = ceil(d)
+//Print results
+printf('\nThe nominal diameter of the cap screw(d) = %f mm\n',d)
|