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 --- 3308/CH20/EX20.1/Ex20_1.sce | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100755 3308/CH20/EX20.1/Ex20_1.sce (limited to '3308/CH20/EX20.1/Ex20_1.sce') diff --git a/3308/CH20/EX20.1/Ex20_1.sce b/3308/CH20/EX20.1/Ex20_1.sce new file mode 100755 index 000000000..93bd6b3d2 --- /dev/null +++ b/3308/CH20/EX20.1/Ex20_1.sce @@ -0,0 +1,22 @@ +clc +// Given that +to=0.005//in inch depth of cut +V=400//in ft/min cutting speed +X=10//in degree rake angle +w=0.25//in inch width of cut +tc=0.009//in inch chip thickness +Fc=125//in lb Cutting force +Ft=50//in lb thrust force + +// Sample Problem on page no. 548 + +printf("\n # Relative Energies in cutting # \n") + +r=to/tc//cutting ratio +R=sqrt((Ft^2)+(Fc^2)) +B=acosd(Fc/R)+X//friction angle +F=R*sind(B) +P=((F*r)/Fc)*100 +printf("\n\n Percentage of total energy going into overcoming friction =%d pecrent",P) + +//Answer in the book is approximated to 32 due to approximation in calculation of R and B -- cgit