Life Prediction of the Gear Transmission System with Multicharacteristics

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Transmission system</td><td class="align_center">Primary transmission (planetary gear)</td><td class="align_center">Secondary transmission (fixed-axis gear)</td><td class="align_center">Thirdly transmission (fixed-axis gear)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Number of teeth</td><td class="align_center">Sun gear28<br/>ring gear100</td><td class="align_center">High-speed shaft gear29<br/>intermediate shaft gear100</td><td class="align_center">Intermediate shaft pinion36<br/>output shaft gear90</td></tr><tr><td class="align_left">Transmission ratio</td><td class="align_center">4.5714</td><td class="align_center">3.4483</td><td class="align_center">2.5</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Gear teeth number and transmission ratio of each stage in the gearbox.</div>

Mathematical Problems in Engineering

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Table 1

Table 1: Life Prediction of the Gear Transmission System with Multicharacteristics 