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diff --git a/3308/CH18/EX18.2/Ex18_2.sce b/3308/CH18/EX18.2/Ex18_2.sce
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+clc 
+// Given that
+W=250//in ton Weight of injection moulding machine
+d=4.5//in inch diameter of spur gear
+t=0.5//in inch thickness of spur gear
+//Gears have a fine tooth profile
+
+// Sample Problem on page no. 488
+
+printf("\n # Injection Molding of Parts # \n")
+
+//because of fine tooth profile pressure required in the mould cavity is assumed to be of the order 100MPa or 15Ksi
+p=15//inKsi
+A=(3.14*(d^2))/4//in inch^2 area of the gear
+F=A*15*1000
+n=(W*2000)/F //weight is converted into lb by multiplying it by 2000
+printf("\n\n Number of gears that can be injected =%d",n)
+
+// Second part of this question is theoritical
diff --git a/3308/CH18/EX18.2/Ex18_2.txt b/3308/CH18/EX18.2/Ex18_2.txt
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+ # Injection Molding of Parts # 
+
+
+ Number of gears that can be injected =2 
+\ No newline at end of file