shandong fuan da truck parts manufacture co., ltd axle ratio calculations and in the middle of the rear axle ratio matching table
a, axleratioformula: |
axle ratio=main reduction ratio×wheelspeed ratio |
rear axlegear ratio=number of teeth÷passiveactivenumber of teeth |
ntermediate axle gear ratio=(number of teeth÷passiveactivenumber of teeth) × (number of teeth÷activepassivecylindricalcylindricalnumber of teeth) |
wheelspeed ratio=wheelring gearteeth ofthe sungear÷number 1 |
such as:1、old-fashioned str:wheelring gearteeth57, the sungear teethnumber 23 forwheelspeed ratio 57÷23 1=3.478 |
28÷17×3.478=5.73 |
2、3.93edgeratio:wheelring gearteeth61, the sungear teethnumber29, wheelspeed ratio of61 ÷ 29 1 = 3.1 |
33÷26×3.1=3.93 |
second,in themiddle ofthe bridge,the middle ofthe rear axleratiomatchingtable
in themiddle ofthe bridge | the middle ofthe rear axle | ||
ratio | crown gear | bridgegears andgearboxes | crown gear |
4.8 | 17/28 | 208齿轮z=26209齿轮z=31 | 21/29 |
5.73 | 17/28 | 136齿轮z=28137齿轮z=28 | 17/28 |
6.72 | 15/29 | 136齿轮z=28137齿轮z=28 | 15/29 |
4.42 | 17/28 | 0001齿轮z=270002齿轮z=35 | 26/33 |
4.38 | 17/28 | 23/29 | |
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