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diff --git a/Theory_Of_Machines_by__B._K._Sarkar/Chapter9.ipynb b/Theory_Of_Machines_by__B._K._Sarkar/Chapter9.ipynb new file mode 100755 index 00000000..0fbeb89f --- /dev/null +++ b/Theory_Of_Machines_by__B._K._Sarkar/Chapter9.ipynb @@ -0,0 +1,151 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:dda7459eb606339995d5ed2e2c12f6be43bc2a1b7dc283fd0394011879a85b71"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter9-CAMS AND FOLLOWERS"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex2-pg247"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "##CHAPTER 9 ILLUSRTATION 2 PAGE NO 247\n",
+ "##TITLE:CAMS AND FOLLOWERS\n",
+ "import math\n",
+ "pi=3.141\n",
+ "s=4.## follower movement in cm\n",
+ "theta=60.## cam rotation in degrees\n",
+ "THETA=60.*pi/180## cam rotation in rad\n",
+ "thetaD=45.## after outstroke in degrees\n",
+ "thetaR=90.##....angle with which it reaches its original position in degrees\n",
+ "THETAR=90.*pi/180## angle with which it reaches its original position in rad\n",
+ "THETAd=360.-theta-thetaD-thetaR## angle after return stroke in degrees\n",
+ "N=300.## speed in rpm\n",
+ "w=2.*pi*N/60.## speed in rad/s\n",
+ "Vo=pi*w*s/2./THETA## Maximum velocity of follower during outstroke in cm/s\n",
+ "Vr=pi*w*s/2./THETAR## Maximum velocity of follower during return stroke in cm/s\n",
+ "Fo=pi**2.*w**2.*s/2./THETA**2./100.##Maximum acceleration of follower during outstroke in m/s**2 \n",
+ "Fr=pi**2.*w**2.*s/2./THETAR**2/100.##Maximum acceleration of follower during return stroke in m/s**2\n",
+ "print'%s %.1f %s %.1f %s '%('Maximum acceleration of follower during outstroke =',Fo,' m/s**2''Maximum acceleration of follower during return stroke= ',Fr,' m/s**2')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Maximum acceleration of follower during outstroke = 177.6 m/s**2Maximum acceleration of follower during return stroke= 78.9 m/s**2 \n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex3-pg249"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "##CHAPTER 9 ILLUSRTATION 3 PAGE NO 249\n",
+ "##TITLE:CAMS AND FOLLOWERS\n",
+ "import math\n",
+ "pi=3.141\n",
+ "s=5.## follower movement in cm\n",
+ "theta=120.## cam rotation in degrees\n",
+ "THETA=theta*pi/180.## cam rotation in rad\n",
+ "thetaD=30.## after outstroke in degrees\n",
+ "thetaR=60.##....angle with which it reaches its original position in degrees\n",
+ "THETAR=60.*pi/180.## angle with which it reaches its original position in rad\n",
+ "THETAd=360.-theta-thetaD-thetaR## angle after return stroke in degrees\n",
+ "N=100.## speed in rpm\n",
+ "w=2.*pi*N/60.## speed in rad/s\n",
+ "Vo=pi*w*s/2./THETA## Maximum velocity of follower during outstroke in cm/s\n",
+ "Vr=pi*w*s/2./THETAR## Maximum velocity of follower during return stroke in cm/s\n",
+ "Fo=pi**2.*w**2.*s/2./THETA**2./100.##Maximum acceleration of follower during outstroke in m/s**2\n",
+ "Fr=pi**2*w**2.*s/2./THETAR**2/100.##Maximum acceleration of follower during return stroke in m/s**2\n",
+ "print'%s %.1f %s %.1f %s '%('Maximum acceleration of follower during outstroke =',Fo,' m/s**2''Maximum acceleration of follower during return stroke= ',Fr,' m/s**2')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Maximum acceleration of follower during outstroke = 6.2 m/s**2Maximum acceleration of follower during return stroke= 24.7 m/s**2 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex5-pg252"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "##CHAPTER 9 ILLUSRTATION 5 PAGE NO 252\n",
+ "##TITLE:CAMS AND FOLLOWERS\n",
+ "import math\n",
+ "pi=3.141\n",
+ "N=1000.## speed of cam in rpm\n",
+ "w=2.*pi*N/60.## angular speed in rad/s\n",
+ "s=2.5## stroke of the follower in cm\n",
+ "THETA=120.*pi/180.## ANGULAR DISPLACEMENT OF CAM DURING OUTSTROKE IN RAD\n",
+ "THETAR=90.*pi/180.##ANGULAR DISPLACEMENT OF CAM DURING DWELL IN RAD\n",
+ "Vo=2.*w*s/THETA## Maximum velocity of follower during outstroke in cm/s\n",
+ "Vr=2.*w*s/THETAR##Maximum velocity of follower during return stroke in cm/s\n",
+ "Fo=4.*w**2.*s/THETA**2.##Maximum acceleration of follower during outstroke in m/s**2\n",
+ "Fr=4.*w**2.*s/THETAR**2.##Maximum acceleration of follower during return stroke in m/s**2\n",
+ "print'%s %.1f %s %.1f %s '%('Maximum acceleration of follower during outstroke =',Fo,' m/s**2''Maximum acceleration of follower during return stroke= ',Fr,' m/s**2')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Maximum acceleration of follower during outstroke = 25000.0 m/s**2Maximum acceleration of follower during return stroke= 44444.4 m/s**2 \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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