From c7bc2b9747fb78ce69940de25205866dd41b6278 Mon Sep 17 00:00:00 2001 From: Trupti Kini Date: Fri, 12 Feb 2016 23:30:12 +0600 Subject: Added(A)/Deleted(D) following books A Electronics_Engineering_by_P._Raja/chapter_1_2.ipynb A Electronics_Engineering_by_P._Raja/chapter_2_2.ipynb A Electronics_Engineering_by_P._Raja/chapter_3_2.ipynb A Electronics_Engineering_by_P._Raja/chapter_4_2.ipynb A Electronics_Engineering_by_P._Raja/chapter_5_2.ipynb A Electronics_Engineering_by_P._Raja/chapter_6_2.ipynb A Electronics_Engineering_by_P._Raja/chapter_7_2.ipynb A Electronics_Engineering_by_P._Raja/chapter_8_2.ipynb A Electronics_Engineering_by_P._Raja/chapter_9_2.ipynb A Electronics_Engineering_by_P._Raja/screenshots/7_2.png A Electronics_Engineering_by_P._Raja/screenshots/snap-3_2.png A Electronics_Engineering_by_P._Raja/screenshots/snap-6_2.png A Machine_Design_by_U.C._Jindal/Ch10.ipynb A Machine_Design_by_U.C._Jindal/Ch11.ipynb A Machine_Design_by_U.C._Jindal/Ch12.ipynb A Machine_Design_by_U.C._Jindal/Ch13.ipynb A Machine_Design_by_U.C._Jindal/Ch14.ipynb A Machine_Design_by_U.C._Jindal/Ch15.ipynb A Machine_Design_by_U.C._Jindal/Ch16.ipynb A Machine_Design_by_U.C._Jindal/Ch17.ipynb A Machine_Design_by_U.C._Jindal/Ch18.ipynb A Machine_Design_by_U.C._Jindal/Ch19.ipynb A Machine_Design_by_U.C._Jindal/Ch20.ipynb A Machine_Design_by_U.C._Jindal/Ch21.ipynb A Machine_Design_by_U.C._Jindal/Ch22.ipynb A Machine_Design_by_U.C._Jindal/Ch23.ipynb A Machine_Design_by_U.C._Jindal/Ch24.ipynb A Machine_Design_by_U.C._Jindal/Ch25.ipynb A Machine_Design_by_U.C._Jindal/Ch26.ipynb A Machine_Design_by_U.C._Jindal/Ch27.ipynb A Machine_Design_by_U.C._Jindal/Ch28.ipynb A Machine_Design_by_U.C._Jindal/Ch29.ipynb A Machine_Design_by_U.C._Jindal/Ch3.ipynb A Machine_Design_by_U.C._Jindal/Ch30.ipynb A Machine_Design_by_U.C._Jindal/Ch31.ipynb A Machine_Design_by_U.C._Jindal/Ch4.ipynb A Machine_Design_by_U.C._Jindal/Ch5.ipynb A Machine_Design_by_U.C._Jindal/Ch6.ipynb A Machine_Design_by_U.C._Jindal/Ch7.ipynb A Machine_Design_by_U.C._Jindal/Ch8.ipynb A Machine_Design_by_U.C._Jindal/Ch9.ipynb A Machine_Design_by_U.C._Jindal/screenshots/Chapter-3stressgraph.png A Machine_Design_by_U.C._Jindal/screenshots/Chapter-_8AdditionalLoad.png A Machine_Design_by_U.C._Jindal/screenshots/Chapter11_-_strengthofrevet.png A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter02_2.ipynb A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter03_2.ipynb A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter04_2.ipynb A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter05_2.ipynb A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter06_2.ipynb A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter07_2.ipynb A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter08_2.ipynb A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter09_2.ipynb A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter10_2.ipynb A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter11_2.ipynb A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/screenshots/Screenshot_3.1.py.PNG A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/screenshots/Screenshot_6.1.py.PNG A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/screenshots/Screenshot_6.2.py.PNG A sample_notebooks/PriyankaSaini/Chapter3.ipynb A sample_notebooks/ebbygeorge/Chapter01.ipynb --- Machine_Design_by_U.C._Jindal/Ch26.ipynb | 265 +++++++++++++++++++++++++++++++ 1 file changed, 265 insertions(+) create mode 100644 Machine_Design_by_U.C._Jindal/Ch26.ipynb (limited to 'Machine_Design_by_U.C._Jindal/Ch26.ipynb') diff --git a/Machine_Design_by_U.C._Jindal/Ch26.ipynb b/Machine_Design_by_U.C._Jindal/Ch26.ipynb new file mode 100644 index 00000000..ccdf600d --- /dev/null +++ b/Machine_Design_by_U.C._Jindal/Ch26.ipynb @@ -0,0 +1,265 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:01c1cdfe5f44c7b9518d8e4611bcc7b558fa40f7241f67c334ff272a81b92cfe" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Ch:26 Helical gears" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 26-1 - Page 698" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "from math import sqrt, pi, sin, cos, tan, atan\n", + "Zp=20#\n", + "Zg=50#\n", + "alphan=20*pi/180#\n", + "phi=15*pi/180#\n", + "mn=4#\n", + "m=mn/cos(phi)#\n", + "alpha=180/pi*atan(tan(alphan)/(cos(phi)))#\n", + "dp=Zp*m#\n", + "dg=Zg*m#\n", + "ha=4#\n", + "hd=1.25*mn#\n", + "#Let addendum circle dia of pinion be Pa\n", + "Pa=dp+(2*mn)#\n", + "#Let dedendum circle dia of pinion be Pd\n", + "Pd=dp-(2.5*mn)#\n", + "#Let addendum circle dia of gear be Ga\n", + "Ga=dg+(2*mn)#\n", + "#Let dedendum circle dia of gear be Gd\n", + "Gd=dg-(2.5*mn)#\n", + "b=pi*mn/sin(phi)#\n", + "print \"m is %0.2f mm \"%(m)#\n", + "print \"\\nalpha is %0.3f deg \"%(alpha)#\n", + "print \"\\nPa is %0.1f mm \"%(Pa)#\n", + "print \"\\nPd is %0.1f mm \"%(Pd)#\n", + "print \"\\nGa is %0.0f mm \"%(Ga)#\n", + "print \"\\nGd is %0.0f mm \"%(Gd)#\n", + "print \"\\nb is %0.2f mm \"%(b)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "m is 4.14 mm \n", + "\n", + "alpha is 20.647 deg \n", + "\n", + "Pa is 90.8 mm \n", + "\n", + "Pd is 72.8 mm \n", + "\n", + "Ga is 215 mm \n", + "\n", + "Gd is 197 mm \n", + "\n", + "b is 48.55 mm \n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 26-2 - Page 698" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "P=5000#\n", + "Zp=25#\n", + "Zg=50#\n", + "mn=4#\n", + "alphan=20*pi/180#\n", + "phi=20*pi/180#\n", + "N=1200#\n", + "m=mn/cos(phi)#\n", + "dp=Zp*m#\n", + "dg=Zg*m#\n", + "v=2*pi*N*dp/(60*2*1000)#\n", + "Pt=P/v#\n", + "Pa=Pt*tan(phi)#\n", + "Pr=Pt*tan(alphan)/cos(phi)#\n", + "print \"Pt is %0.2f N \"%(Pt)#\n", + "print \"\\nPa is %0.1f N \"%(Pa)#\n", + "print \"\\nPr is %0.2f N \"%(Pr)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Pt is 747.78 N \n", + "\n", + "Pa is 272.2 N \n", + "\n", + "Pr is 289.64 N \n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 26-3 - Page 699" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "Zp=24#\n", + "Zg=72#\n", + "alphan=20*pi/180#\n", + "phi=24*pi/180#\n", + "N=720#\n", + "mn=5#\n", + "b=50#\n", + "sigut=600#\n", + "BHN=360#\n", + "Cs=1.4#\n", + "FOS=2#\n", + "sigb=sigut/3#\n", + "dp=mn*Zp/cos(phi)#\n", + "Zp=Zp/(cos(phi))**3#\n", + "Zg=Zg/(cos(phi))**3#\n", + "Y=0.358+((0.364-0.358)*1.48/2)#\n", + "Sb=b*mn*sigb*Y#\n", + "Q=(2*Zg)/(Zp+Zg)#\n", + "K=0.16*(BHN/100)**2#\n", + "Sw=b*dp*Q*K/(cos(phi)**2)#\n", + "v=2*pi*N*dp/(60*2*1000)#\n", + "Cv=5.6/(5.6+sqrt(v))#\n", + "Peff=Sb/FOS#\n", + "Pt=Peff*Cv/Cs#\n", + "P=Pt*v#\n", + "P=P*10**-3#\n", + "print \"P is %0.3f kW \"%(P)#\n", + "#The difference in the value is due to rounding-off of the values." + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "P is 22.936 kW \n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 26-4 - Page 700" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "Zp=25#\n", + "Zg=100#\n", + "P=5000#\n", + "N=2000#\n", + "alphan=20*pi/180#\n", + "phi=15*pi/180#\n", + "sigut=660#\n", + "Cs=1.5#\n", + "FOS=1.8#\n", + "v=10#\n", + "Zp1=Zp/(cos(phi))**3#\n", + "Zg1=Zg/(cos(phi))**3#\n", + "Y=0.348+(0.74*0.004)#\n", + "sigb=sigut/3#\n", + "Cv=5.6/(5.6+sqrt(v))#\n", + "#Sb=FOS*Peff\n", + "mn=FOS*P*Cs*60*1000*2*cos(phi)/(2*pi*N*Cv*Zp*12*sigb*Y)#\n", + "mn=mn**(1/3)#\n", + "mn=2.5#\n", + "dp=mn*Zp/cos(phi)#\n", + "Q=(2*Zg)/(Zp+Zg)#\n", + "b=12*mn#\n", + "Sb=12*sigb*Y#\n", + "K=Sb*(cos(phi)**2)/(dp*Q*b)#\n", + "BHN=sqrt(K/0.16)*100#\n", + "dg=mn*Zg/cos(phi)#\n", + "phip=mn+(0.25*sqrt(dp))#\n", + "ep=16+(1.25*phip)#\n", + "phig=mn+(0.25*sqrt(dg))#\n", + "eg=16+(1.25*phig)#\n", + "e=ep+eg#\n", + "e=e*10**-3#\n", + "r1=dp/2#\n", + "r2=dg/2#\n", + "Pd=e*N*Zp1*b*r1*r2/(2530*sqrt(r1**2+r2**2))#\n", + "v=2*pi*N*dp/(60*2*1000)#\n", + "#Let tangential component be TC\n", + "TC=(Cs*1845/mn)+(Pd*cos(alphan)*cos(phi))#\n", + "\n", + "Sb=b*mn*sigb*Y#\n", + "print \"mn is %0.1f mm \"%(mn)#\n", + "print \"\\nTC is %0.0f N \"%(TC)#\n", + "print \"\\nSb is %0.1f N \"%(Sb)#\n", + "#The difference in the value of Sb is due to rounding-off of t" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "mn is 2.5 mm \n", + "\n", + "TC is 1965 N \n", + "\n", + "Sb is 5790.8 N \n" + ] + } + ], + "prompt_number": 4 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit