summaryrefslogtreecommitdiff
path: root/Machine_Design_by_U_C_Jindal/6-LEVERS.ipynb
diff options
context:
space:
mode:
Diffstat (limited to 'Machine_Design_by_U_C_Jindal/6-LEVERS.ipynb')
-rw-r--r--Machine_Design_by_U_C_Jindal/6-LEVERS.ipynb329
1 files changed, 329 insertions, 0 deletions
diff --git a/Machine_Design_by_U_C_Jindal/6-LEVERS.ipynb b/Machine_Design_by_U_C_Jindal/6-LEVERS.ipynb
new file mode 100644
index 0000000..693956c
--- /dev/null
+++ b/Machine_Design_by_U_C_Jindal/6-LEVERS.ipynb
@@ -0,0 +1,329 @@
+{
+"cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 6: LEVERS"
+ ]
+ },
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 6.1: L1.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 6-1\n",
+"clc;\n",
+"clear;\n",
+"del=10;\n",
+"k=500;\n",
+"W=k*del;\n",
+"//Let load arm be l1\n",
+"l1=200;\n",
+"//Let effort arm be l2\n",
+"l2=500;\n",
+"P=W*l1/l2;\n",
+"Ro=sqrt(W^2+P^2);\n",
+"Ta=40;\n",
+"d=sqrt(Ro*4/(2*%pi*Ta));\n",
+"d=10;\n",
+"pb=10;\n",
+"d1=sqrt(Ro/(pb*1.5));\n",
+"d1=20;\n",
+"l=1.5*d;\n",
+"t=10;\n",
+"T=Ro*4/(2*%pi*d1^2);\n",
+"M=(Ro/2*(l/2+t/3))-(Ro/2*l/4);\n",
+"sigb=32*M/(%pi*d1^3);\n",
+"sigmax=(sigb/2)+sqrt((sigb/2)^2+T^2);\n",
+"P=Ro/(l*d1);\n",
+"D=2*d1;\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf('d1 is %0.1f mm ',d1);\n",
+" printf('\n D is %0.1f mm ',D);"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 6.2: L2.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 6-2\n",
+"clc;\n",
+"clear;\n",
+"d1=80;\n",
+"p=0.981;\n",
+"Ta=40;\n",
+"siga=80;\n",
+"pa=15;\n",
+"W=%pi*(d1^2)*p/4;\n",
+"P=W/8;\n",
+"Ws=W-P;\n",
+"d=sqrt(W*4/(%pi*2*Ta));\n",
+"l=1.5*d;\n",
+"D=2*d;\n",
+"T=W/(2*%pi*pa^2/4);\n",
+"M1=P*(700-87.5-(D/2));\n",
+"h=50;\n",
+"b=h/4;\n",
+"Z=b*h^2/6;\n",
+"sigb=M1/Z;\n",
+"pmax=80;\n",
+"T=2465.6/h^2;\n",
+"pmax=(sigb/2)+sqrt((sigb/2)^2+T^2);\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf('h is %0.2f mm ',h);\n",
+" printf('\n pmax is %0.2f MPa ',pmax);\n",
+" \n",
+" //The difference in the value of pmax is due to rounding-off the digits."
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 6.3: L3.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 6-3\n",
+"clc;\n",
+"clear;\n",
+"P=((4*360)+(2*360))/900;\n",
+"Fv=4-2;\n",
+"Fh=P;\n",
+"Fr=sqrt(Fv^2+Fh^2);\n",
+"P1=4*0.36/0.9;\n",
+"Rf=sqrt(4^2+1.6^2);\n",
+"d=sqrt(Rf*10^3/(15*1.25));\n",
+"d=16;\n",
+"l=1.25*d;\n",
+"T=Rf*10^3*4/(2*%pi*d^2);\n",
+"D=2*d;\n",
+"M1=Rf*10^3*(360-(D/2));\n",
+"pa=15;\n",
+"h=80;\n",
+"b=h/4;\n",
+"Z=b*h^2/6;\n",
+"sigb=M1/Z;\n",
+"T=4310/(b*h);\n",
+"pmax=(sigb/2)+sqrt((sigb/2)^2+T^2);\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf('P is %0.1f KN ',P);\n",
+" printf('\n pmax is %0.2f MPa ',pmax);"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 6.4: L4.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 6-4\n",
+"clc;\n",
+"clear;\n",
+"l=360;\n",
+"P=400;\n",
+"Mh=2*P*l/3;\n",
+"sigb=50;\n",
+"l1=60;\n",
+"d=(Mh*32/(%pi*l1))^(1/3);\n",
+"d=30;\n",
+"L=420;\n",
+"siga=60;\n",
+"H=20;\n",
+"B=H/3;\n",
+"Mx=P*(L-H/2);\n",
+"Tx=2*P*l/3;\n",
+"sigb1=Mx*18/H^3;\n",
+"Td=P/(B*H);\n",
+"Tr=17.17*Tx/H^4;\n",
+"T=Tr+Td;\n",
+"sigmax=(sigb1/2)+sqrt((sigb1/2)^2+T^2);\n",
+"Tmax=sqrt((sigb1/2)^2+T^2);\n",
+"T=P*L;\n",
+"M=P*(l1+(2/3*l));\n",
+"Te=sqrt(T^2+M^2);\n",
+"Ta=40;\n",
+"D=(Te*16/(%pi*Ta))^(1/3);\n",
+"D=30; //Rounding off to nearest whole number\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf('d is %0.1f mm ',d);\n",
+" printf('\n D is %0.1f mm ',D);"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 6.5: L5.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 6-5\n",
+"clc;\n",
+"clear;\n",
+"l2=300;\n",
+"l=450;\n",
+"P=400;\n",
+"Mx=2*P*l2/3;\n",
+"siga=80;\n",
+"dh=(Mx*32/(%pi*siga))^(1/3);\n",
+"dh=22;\n",
+"L=(2*l2/3)+l;\n",
+"T=P*L;\n",
+"Ta=40;\n",
+"d=(T*16/(%pi*Ta))^(1/3);\n",
+"d=35;\n",
+"d1=1.6*d;\n",
+"Th=T*16*d1/(%pi*(d1^4-d^4));\n",
+"l1=1.5*d;\n",
+"My=P*(L-(d1/2));\n",
+"B=dh;\n",
+"H=sqrt(3.66*75);\n",
+"H=30;\n",
+"Mz=P*l1/2;\n",
+"Te=sqrt(T^2+Mz^2);\n",
+"d2=(Te*16/(%pi*Ta))^(1/3);\n",
+"d2=32;\n",
+"b=d/4;\n",
+"b=9; //Rounding off to nearest whole number\n",
+"t=d/6;\n",
+"t=6; //Rounding off to nearest whole number\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf('d is %0.1f mm ',d);\n",
+" printf('\n dh is %0.1f mm ',dh);\n",
+" printf('\n d1 is %0.1f mm ',d1);\n",
+" printf('\n l1 is %0.1f mm ',l1);\n",
+" printf('\n d2 is %0.1f mm ',d2);\n",
+" printf('\n b is %0.1f mm ',b);\n",
+" printf('\n t is %0.1f mm ',t);\n",
+" "
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 6.6: L6.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 6-6\n",
+"clc;\n",
+"clear;\n",
+"L=450;\n",
+"P=700;\n",
+"T=P*L;\n",
+"Ta=50;\n",
+"d=(T*16/(%pi*Ta))^(1/3);\n",
+"d=32;\n",
+"d1=1.6*d;\n",
+"d1=52; //Rounding off to nearest whole number\n",
+"l1=1.25*d;\n",
+"My=P*(L-d1/2);\n",
+"sigb=65;\n",
+"H=(My*18/sigb)^(1/3);\n",
+"H=45;\n",
+"B=H/3;\n",
+"T1=P/(B*H);\n",
+"sigmax=(sigb/2)+sqrt((sigb/2)^2+T^2);\n",
+"Mx=P*l1/2;\n",
+"Te=sqrt((T)^2+(Mx^2));\n",
+"d2=(Te*16/(%pi*Ta))^(1/3);\n",
+"d2=d2+6;\n",
+"d2=38; //Rounding off to nearest whole number\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf('d is %0.1f mm ',d);\n",
+" printf('\n d1 is %0.1f mm ',d1);\n",
+" printf('\n l1 is %0.1f mm ',l1);\n",
+" printf('\n B is %0.1f mm ',B);\n",
+" printf('\n H is %0.1f mm ',H);\n",
+" printf('\n d2 is %0.1f mm ',d2);\n",
+" "
+ ]
+ }
+],
+"metadata": {
+ "kernelspec": {
+ "display_name": "Scilab",
+ "language": "scilab",
+ "name": "scilab"
+ },
+ "language_info": {
+ "file_extension": ".sce",
+ "help_links": [
+ {
+ "text": "MetaKernel Magics",
+ "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+ }
+ ],
+ "mimetype": "text/x-octave",
+ "name": "scilab",
+ "version": "0.7.1"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
generated by cgit (git 2.34.1) at 2025-07-03 18:20:07 +0000