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diff --git a/sample_notebooks/midhudev/Chapter3.ipynb b/sample_notebooks/midhudev/Chapter3.ipynb new file mode 100644 index 00000000..84be1f83 --- /dev/null +++ b/sample_notebooks/midhudev/Chapter3.ipynb @@ -0,0 +1,219 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 3:Manufacturing Considerations in Machine Design" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 3.1, Page number 78" + ] + }, + { + "cell_type": "code", + "execution_count": 9, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "the hole tolerance is,0.020000 mm\n", + "the shaft tolerance is,0.020000 mm \n", + "the allowance is,0.030000 mm\n" + ] + } + ], + "source": [ + "#solution\n", + "#given\n", + "lh=25#mm#lower limit of hole\n", + "uh=25.02#mm#upper limit of hole\n", + "ls=24.95#mm#lower limit of shaft\n", + "us=24.97#mm#upper limit of shaft\n", + "h=uh-lh#mm#hole tolerance\n", + "s=us-ls#mm#shaft tolerance\n", + "a=lh-us#mm#alownce\n", + "print \"the hole tolerance is,%f mm\" %h\n", + "print (\"the shaft tolerance is,%f mm \" %s)\n", + "print (\"the allowance is,%f mm\" %a)" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 3.2, Page number 78" + ] + }, + { + "cell_type": "code", + "execution_count": 10, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "the standard tolernce for IT8 is,0.012218 mm\n", + "the satndard tolerance for IT7 is,0.007820 mm\n", + "the fundamental upper deviation for shaft is,-0.024630 mm\n", + "the fundamental lower deavtion for shaft is,-0.049630 mm \n", + "the basic size is,40.000000 mm\n", + "upper limit for hole is,40.039000 mm\n", + "the upper limit of shaft is,39.975000 mm\n", + "the lower limit of shaft is,39.950000 mm\n" + ] + } + ], + "source": [ + "\n", + "import math\n", + "#solution\n", + "#given\n", + "#shaft is 40 H8/f7\n", + "#since 40 mm lies in the diameter steps of 30 to 50 mm, therefore the mean diameter ie geometric mean of them\n", + "D=math.sqrt(30*50)#mm\n", + "i=0.45*((D)**(1/3))+(0.001*D)#mm#standard tolerance unit\n", + "#therfore,standard tolerance is\n", + "x=25*i*0.001#mm#standard tolerance for grade 8\n", + "x1=16*i*0.001#mm#standard tolerance for grade 7\n", + "#fundamental deviation\n", + "es=-5.5*(D)**0.41*0.001#mm\n", + "ei=es-0.025#mm\n", + "#limit of size\n", + "bs=40#mm#basic size\n", + "uh=40+0.039#mm#upper limitt of hole=lower limit for hole+tolerance for hole\n", + "us=40-0.025#mm#uppr limit of shaft is lower limit of hole-fundamental deviation\n", + "ls=us-0.025#mm\n", + "print (\"the standard tolernce for IT8 is,%f mm\" %x)\n", + "print (\"the satndard tolerance for IT7 is,%f mm\" %x1)\n", + "print (\"the fundamental upper deviation for shaft is,%f mm\" %es)\n", + "print (\"the fundamental lower deavtion for shaft is,%f mm \" %ei)\n", + "print (\"the basic size is,%f mm\" %bs)\n", + "print (\"upper limit for hole is,%f mm\" %uh)\n", + "print (\"the upper limit of shaft is,%f mm\" %us)\n", + "print (\"the lower limit of shaft is,%f mm\" %ls)" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 3.3, Page number 79" + ] + }, + { + "cell_type": "code", + "execution_count": 11, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "the standard tolerance for shaft and hole of grade 8 is,0.026837 mm\n", + "the upper deviation for shaft is, -0.031895 mm\n", + "the upper deviation for shaft is,-0.058732 mm\n" + ] + } + ], + "source": [ + "#a.)12 mm elctric motion\n", + "#12 mm lies between 10 and 18,therefore\n", + "D=math.sqrt(10*18)#mm\n", + "i=0.45*(D)**0.33+0.001*D#standard tolrence unit\n", + "IT8=25*i*0.001#mm#standard tolerance for IT8\n", + "es=-11*(D)**0.41*0.001#mm#upper deviation for shaft\n", + "ei=es-IT8#mm#lower deviation for shaft\n", + "print (\"the standard tolerance for shaft and hole of grade 8 is,%f mm\" %IT8)\n", + "print (\"the upper deviation for shaft is, %f mm\" %es)\n", + "print (\"the upper deviation for shaft is,%f mm\" %ei)" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 3.4, Page number 81" + ] + }, + { + "cell_type": "code", + "execution_count": 12, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "maximum clearance is,0.085788 mm\n", + "minimum clearance is,0.010000 mm\n" + ] + } + ], + "source": [ + "import math\n", + "#75 mm basic size \n", + "#since 75 lies betweenn 50 and 80\n", + "D=math.sqrt(50*80)#mm\n", + "i=0.45*(D)**0.33+0.001*D#standard tolerance unit\n", + "IT8=25*i*0.001#mm\n", + "IT7=16*i*0.001#mm\n", + "es=-2.5*(D)**0.34#mm#upper deviation of shaft\n", + "ei=es-IT7#mm#lower deviation fot hole\n", + "bs=75#mm#basic size\n", + "uh=75+IT8#upper limit of hole\n", + "us=75-0.01#mm#upper limit of shft\n", + "ls=us-0.03#mm\n", + "MxC=uh-ls#mm#maximum clearance\n", + "miC=75-us#mm\n", + "print (\"maximum clearance is,%f mm\"%MxC)\n", + "print (\"minimum clearance is,%f mm\"%miC)" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], + "source": [] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python [Root]", + "language": "python", + "name": "Python [Root]" + }, + "language_info": { + "codemirror_mode": { + "name": "ipython", + "version": 2 + }, + "file_extension": ".py", + "mimetype": "text/x-python", + "name": "python", + "nbconvert_exporter": "python", + "pygments_lexer": "ipython2", + "version": "2.7.12" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} |