4 files changed, 90 insertions, 0 deletions
diff --git a/3308/CH23/EX23.1/Ex23_1.sce b/3308/CH23/EX23.1/Ex23_1.sce
new file mode 100755
index 000000000..bf388a0b8
--- /dev/null
+++ b/3308/CH23/EX23.1/Ex23_1.sce
@@ -0,0 +1,34 @@
+clc 
+// Given that
+l=12//in inch Length of block
+w=4//in inch width
+f=0.01//in inch/tooth feed  
+d=1/8//in inch depth of cut
+D=2//in inch diameter of cutter
+n=20//no. of teeth
+N=100//in rpm spindle rotation
+Vt=8//in inch/minute axial speed of the tool
+
+// Sample Problem on page no. 600
+
+printf("\n # Material Removal Rate , Power required and Cutting Time in slab milling # \n")
+
+v=f*N*n
+MRR=w*d*v 
+printf("\n\n Material Removal Rate = %d in^3/min",MRR)
+
+//for annealed mild steel unit power is taken as 1.1 hp min/in3
+P=1.1*MRR
+printf("\n\n Cutting power=%d hp",P)
+
+T=P*33000/(N*2*3.14)
+printf("\n\n Cutting torque=%d lb-ft",T)
+
+lc=sqrt(d*D)
+t=((l+lc)/20)*60
+printf("\n\n Cutting time=%f sec",t)
+
+
+
+
+
diff --git a/3308/CH23/EX23.1/Ex23_1.txt b/3308/CH23/EX23.1/Ex23_1.txt
new file mode 100755
index 000000000..817ce4e24
--- /dev/null
+++ b/3308/CH23/EX23.1/Ex23_1.txt
@@ -0,0 +1,11 @@
+ 
+ # Material Removal Rate , Power required and Cutting Time in slab milling # 
+
+
+ Material Removal Rate = 10 in^3/min
+
+ Cutting power=11 hp
+
+ Cutting torque=578 lb-ft
+
+ Cutting time=37.500000 sec 
+\ No newline at end of file
diff --git a/3308/CH23/EX23.2/Ex23_2.sce b/3308/CH23/EX23.2/Ex23_2.sce
new file mode 100755
index 000000000..40ca4ed31
--- /dev/null
+++ b/3308/CH23/EX23.2/Ex23_2.sce
@@ -0,0 +1,34 @@
+clc 
+// Given that
+l=500//in mm Length
+w=60//in mm width
+v=0.6//in m/min  
+d=3//in mm depth of cut
+D=150//in mm diameter of cutter
+n=10//no. of inserts
+N=100//in rpm spindle rotation
+
+// Sample Problem on page no. 655
+
+printf("\n # Material Removal Rate , Power Required and Cutting Time in Face Milling # \n")
+
+MRR=w*d*v*1000 
+printf("\n\n Material Removal Rate = %d mm3/min",MRR)
+
+lc=D/2
+t=((l+(2*lc))/((v*1000)/60)) // velocity is converted into mm/sec
+t1=t/60
+printf("\n\n Cutting time= %ff min",t1)
+
+f=(v*1000*60)/(60*N*n) // N is converted into rev/sec by dividing by 60 , velocity is converted into mm/sec
+printf("\n\n Feed per Tooth= %f mm/tooth",f)
+
+//for high strength aluminium alloy unit power is taken as 1.1 W s/mm3
+P=(1.1*MRR)/60 // MRR is converted into mm3/sec by dividing by 60
+P1=P/(1000)//in KW
+printf("\n\n Cutting power=%f KW",P1)
+
+
+
+
+
diff --git a/3308/CH23/EX23.2/Ex23_2.txt b/3308/CH23/EX23.2/Ex23_2.txt
new file mode 100755
index 000000000..9174c0253
--- /dev/null
+++ b/3308/CH23/EX23.2/Ex23_2.txt
@@ -0,0 +1,11 @@
+
+ # Material Removal Rate , Power Required and Cutting Time in Face Milling # 
+
+
+ Material Removal Rate = 108000 mm3/min
+
+ Cutting time= 1.083333f min
+
+ Feed per Tooth= 0.600000 mm/tooth
+
+ Cutting power=1.980000 KW 
+\ No newline at end of file