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Preliminary Draft Selection of Geometrical Parameters in External and Internal Spur and Helical Gears in Automotive Drive Lines
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English
Abstract
The paper covers a preliminary-draft selection of geometrical parameters in external and internal spur and helical automotive gearboxes. A special convention of signs for geometrical parameters in internal gears is introduced (11)*, owing to that convention all the geometrical formulas are the same for the external and internal gears. The preliminary draft selection of centre distance and face-width is given according to the calculated torque, contact stress factor kH, gear ratio u and relationship of facewidth to the centre distance of gearbox. The number of teeth according to gear ratio u and relationship of bending stress factor kF to contact stress factor kH for case-hardened steel is given. The example is given based on actual construction of gearbox produced in Poland.
Authors
Citation
Jaśkiewicz, Z. and Wasiewski, A., "Preliminary Draft Selection of Geometrical Parameters in External and Internal Spur and Helical Gears in Automotive Drive Lines," SAE Technical Paper 841193, 1984, https://doi.org/10.4271/841193.Also In
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