Self-taught Mechanical Drawing and Elementary Machine Design ...Norman W. Henley Publishing Company, 1910 - 333 стор. |
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Сторінка viii
... Tooth - Approximate Shapes for Cycloidal Gear Teeth - Involute Teeth - Proportions of Gears -Strength of Gear Teeth - Thurston's Rule for Gear Shafts - Speed Ratio of Gearing ... Page 190 CHAPTER XIII CALCULATING THE DIMENSIONS OF GEARS ...
... Tooth - Approximate Shapes for Cycloidal Gear Teeth - Involute Teeth - Proportions of Gears -Strength of Gear Teeth - Thurston's Rule for Gear Shafts - Speed Ratio of Gearing ... Page 190 CHAPTER XIII CALCULATING THE DIMENSIONS OF GEARS ...
Сторінка 187
... tooth in the wheel lying outside of the pitch polygon is now struck from such a center as will cause it to fall ... tooth . course allowance must be made all around for the natural roughness of the casting if the wheel is to be left ...
... tooth in the wheel lying outside of the pitch polygon is now struck from such a center as will cause it to fall ... tooth . course allowance must be made all around for the natural roughness of the casting if the wheel is to be left ...
Сторінка 193
... Tooth Terms . The length of the point of the gear tooth , that is the portion lying outside of the pitch line , is usually made one - third of the circular pitch - the latter being the distance between the teeth meas- ured from center ...
... Tooth Terms . The length of the point of the gear tooth , that is the portion lying outside of the pitch line , is usually made one - third of the circular pitch - the latter being the distance between the teeth meas- ured from center ...
Сторінка 197
... tooth of an involute gear which may lie within the base line is made radial . In the standard interchangeable involute gears the line of action is given an obliquity of 15 degrees ( cut gears , 142 degrees ) . This angle may be readily ...
... tooth of an involute gear which may lie within the base line is made radial . In the standard interchangeable involute gears the line of action is given an obliquity of 15 degrees ( cut gears , 142 degrees ) . This angle may be readily ...
Сторінка 198
... tooth against another is in its direc- tion , hence its name . The teeth of the 15 - degree involute rack have straight sides , inclined to the pitch line at an angle of 75 degrees as shown in Fig . 164. This shape , however , is ...
... tooth against another is in its direc- tion , hence its name . The teeth of the 15 - degree involute rack have straight sides , inclined to the pitch line at an angle of 75 degrees as shown in Fig . 164. This shape , however , is ...
Інші видання - Показати все
Self-taught Mechanical Drawing and Elementary Machine Design ... F. L. Sylvester Повний перегляд - 1910 |
Self-Taught Mechanical Drawing and Elementary Machine Design .. Erik Oberg,F. L. Sylvester Попередній перегляд недоступний - 2015 |
Self-Taught Mechanical Drawing and Elementary Machine Design F. L. Sylvester Попередній перегляд недоступний - 2019 |
Загальні терміни та фрази
axis base circle belt bolt breadth calculations cast iron center line circular pitch circumference clutch cone cosine crank cube cylinder D₁ degrees diametral pitch dimensions direction distance divided draw drawn driving ellipse engine epicycloidal example factor of safety feet fly-wheel follower foot-pounds force formula fully illustrated give given horse-power hypotenuse intersection involute involute gears lathe length machine mean effective pressure mechanical method multiplied number of equal number of teeth number of threads O'CONOR SLOANE parabola pitch diameter pitch line points pounds practical prism Prob pulley quick return radial lines radius represent return motion revolutions per minute right angles rule screw thread shaft shown in Fig shows speed spindle square inch square root steam strength of materials stroke surface tangent thickness threads per inch tion tooth transmit triangle velocity weight wheel worm worm-wheel