1 files changed, 30 insertions, 0 deletions
diff --git a/278/CH25/EX25.8/ex_25_8.sce b/278/CH25/EX25.8/ex_25_8.sce
new file mode 100755
index 000000000..1aa12956e
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+++ b/278/CH25/EX25.8/ex_25_8.sce
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+//find..
+clc
+//solution
+//given
+d=600//mm
+r=300//mm
+N=200//rpm
+u=0.25
+q=4.713//rad
+P=35000//W
+t=2.5//mm
+ft=50//N/mm^2
+//let P1 be pull
+//log(T1/T2)=u*q
+//T1/T2=3.25...eq1
+//let Tb be breaking torque
+//ref fig 25.16
+Tb=P*60/(2*%pi*N)*1000//N-mm
+//Tb=(T1-T2)*r=300(T1-T2)
+//T1-T2=5557//N.....eq2
+//from eq1 and eq2,we get
+T1=8027//N
+T2=2470//N
+//taking moment abt O
+//P1*750=T*OD=T2*62.5*1.414
+P1=T2*62.5*1.414/750//N
+printf("pull req is,%f N\n",P1)
+//let w be width 
+w=T1/(ft*t)
+printf("width is,%f mm\n",w)
+\ No newline at end of file