Chapter 18 Drivina Axle 同©大学 TONGII UNIVERSTTY Single reduction final drive >Main components:driving bevel &ear driven bevelgear从动能齿羞 conical roller bearing圆锥滚子轴 承、adjusting shim、:adjusting nuf. 17 >Features:only a pair of gears, a few parts,compact structure, 18 light weight,high transmission 19 efficiency. 20 >Axle ratio the final drive ratio is called axle ratio,expressed with io. 22 i0=Z2l21 Z2-the number of teeth of driven gear a) 图19-3 Z-the number of teeth of driving gearChapter 18 Driving Axle Single reduction final drive Main components：driving bevel gear、driven bevel gear从动锥齿轮、 conical roller bearing圆锥滚子轴 承 、 adjusting shim、 adjusting nut. Axle ratio ：the final drive ratio is called axle ratio，expressed with i0. i0=z2 /z1 Z2—the number of teeth of driven gear Z1—the number of teeth of driving gear Features：only a pair of gears， a few parts，compact structure， light weight，high transmission efficiency