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diff --git a/Machine_Design_by_U_C_Jindal/24-ROPE_DRIVE.ipynb b/Machine_Design_by_U_C_Jindal/24-ROPE_DRIVE.ipynb new file mode 100644 index 0000000..c20c60b --- /dev/null +++ b/Machine_Design_by_U_C_Jindal/24-ROPE_DRIVE.ipynb @@ -0,0 +1,180 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 24: ROPE DRIVE" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 24.1: RD1.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"// sum 24-1\n", +"clc;\n", +"clear;\n", +"P=150000;\n", +"m=0.4;\n", +"D=1.8;\n", +"d=0.6;\n", +"C=4.2;\n", +"V=15;\n", +"Fc=m*V^2;\n", +"BL=44.81*10^3;\n", +"FOS=35;\n", +"F1=BL/FOS;\n", +"theta=%pi-(2*asin((D-d)/(2*C)));\n", +"beta=22.5*%pi/180;\n", +"u=0.13;\n", +"x=u*theta/sin(beta);\n", +"F2=(F1-Fc)/exp(x);\n", +"n=P/((F1-F2)*V);\n", +"n=13;\n", +"\n", +" // printing data in scilab o/p window\n", +" printf('n is %0.0f ',n);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 24.2: RD2.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"// sum 24-2\n", +"clc;\n", +"clear;\n", +"W=1000;\n", +"m=0.498;\n", +"BL=78;\n", +"d=12;\n", +"Am=0.39*d^2;\n", +"dw=sqrt(Am*4/(6*19*%pi));\n", +"Ew=74.4*10^3;\n", +"Ds=56*d;\n", +"sigb=Ew*dw/Ds;\n", +"Wb=sigb*%pi*(d^2)/4*10^-3;\n", +"l=20;\n", +"Ws=m*l;\n", +"a=1.2;\n", +"Wa=a*(W/2+Ws)*10^-3;\n", +"//Let the static load be Ps\n", +"Ps=(W/2+Ws)*9.81*10^-3;\n", +"//let the effective load be Peff\n", +"Peff=Ps+Wb+Wa;\n", +"FOS1=BL/Peff;\n", +"FOS2=BL/(5+0.612);\n", +"\n", +" // printing data in scilab o/p window\n", +" printf('annual FOS is %0.2f ',FOS1);\n", +" printf('\n FOS neglecting bending load is %0.1f ',FOS2);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 24.3: RD3.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"// sum 24-3\n", +"clc;\n", +"clear;\n", +"d=12;\n", +"sigut=1960;\n", +"Pb=0.0025*sigut;\n", +"Ds=480;\n", +"F=Pb*d*Ds/2;\n", +"W=F*2*10^-3;\n", +"\n", +" // printing data in scilab o/p window\n", +" printf('W is %0.3f kN ',W);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 24.4: RD4.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"// sum 24-4\n", +"clc;\n", +"clear;\n", +"sigut=1770;\n", +"Pb=0.0018*sigut;\n", +"W=4000;\n", +"a=2.5/2;\n", +"Ws=90*0.5;\n", +"Wa=(W+Ws)*a/9.81;\n", +"Weff=W+Wa;\n", +"d=sqrt(Weff*2/(23*Pb));\n", +"d=12;\n", +"\n", +" // printing data in scilab o/p window\n", +" printf('d is %0.0f mm ',d);" + ] + } +], +"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 +} |