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diff --git a/Mechanical_Metallurgy_by_G_E_Dieter/17-Rolling_of_Metals.ipynb b/Mechanical_Metallurgy_by_G_E_Dieter/17-Rolling_of_Metals.ipynb new file mode 100644 index 0000000..7c771ad --- /dev/null +++ b/Mechanical_Metallurgy_by_G_E_Dieter/17-Rolling_of_Metals.ipynb @@ -0,0 +1,181 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 17: Rolling of Metals" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 17.1: Forces_in_rolling.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Example 17.1\n", +"//Forces in rolling\n", +"//Page No. 596\n", +"clc;clear;close;\n", +"\n", +"mu=0.08; //no unit\n", +"R=12; //in inches\n", +"alpha=atand(mu);\n", +"dh=mu^2*R;\n", +"printf('\nMaximum possible reduction when mu is 0.08 = %g in\n',dh);\n", +"mu=0.5; //no unit\n", +"dh=mu^2*R;\n", +"printf('Maximum possible reduction when mu is 0.5 = %g in',dh);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 17.2: Rolling_Load.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Example 17.2\n", +"//Rolling Load\n", +"//Page No. 598\n", +"clc;clear;close;\n", +"\n", +"h0=1.5; //in inches\n", +"mu=0.3; //no unit\n", +"D=36; //in inches\n", +"s_en=20; //in ksi\n", +"s_ex=30; //in ksi\n", +"h1=h0-0.3*h0;\n", +"dh=h0-h1;\n", +"h_=(h1+h0)/2;\n", +"Lp=sqrt(D/2*dh);\n", +"Q=mu*Lp/h_;\n", +"sigma0=(s_en+s_ex)/2;\n", +"P=sigma0*(exp(Q)-1)*s_ex*Lp/Q;\n", +"printf('\nRolling Load = %g kips',P);\n", +"P=sigma0*(Lp/(4*dh)+1)*s_ex*Lp;\n", +"printf('\nRolling Load if sticking friction occurs = %g kips',P);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 17.3: Rolling_Load.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Example 17.3\n", +"//Rolling Load\n", +"//Page No. 599\n", +"clc;clear;close;\n", +"\n", +"h0=1.5; //in inches\n", +"mu=0.3; //no unit\n", +"D=36; //in inches\n", +"s_en=20; //in ksi\n", +"s_ex=30; //in ksi\n", +"C=3.34*10^-4; //in inches^2/ton\n", +"P_=1357; //in tons\n", +"h1=h0-0.3*h0;\n", +"dh=h0-h1;\n", +"h_=(h1+h0)/2;\n", +"R=D/2;\n", +"R1=R*(1+C*P_/(s_ex*(dh)));\n", +"Lp=sqrt(R1*dh);\n", +"Q=mu*Lp/h_;\n", +"sigma0=(s_en+s_ex)/2;\n", +"P2=sigma0*(exp(Q)-1)*s_ex*Lp/Q;\n", +"P2=P2*0.45359 ///conversion to tons\n", +"R2=R*(1+C*P2/(s_ex*(dh)));\n", +"printf('\nP2 = %g tons\nR2 = %g in',P2,R2);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 17.4: Torque_and_Horsepower.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Example 17.4\n", +"//Torque and Horsepower\n", +"//Page No. 614\n", +"clc;clear;close;\n", +"\n", +"w=12; //in inches\n", +"hi=0.8; //in inches\n", +"hf=0.6; //in inches\n", +"D=40; //in inches\n", +"N=100; //in rpm\n", +"R=D/2;\n", +"dh=abs(hf-hi);\n", +"e1=log(hi/hf);\n", +"r=(hi-hf)/hi;\n", +"sigma=20*e1^0.2/1.2;\n", +"Qp=1.5; //no unit\n", +"P=2*sigma*w*(R*(hi-hf))^(1/2)*Qp/sqrt(3);\n", +"a=0.5*sqrt(R*dh);\n", +"a=a/12; //conversion to ft\n", +"hp=4*%pi*a*P*N*1000/33000;\n", +"printf('\nRolling Load = %g\nHorsepower = %g',P,hp);" + ] + } +], +"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 +} |