2nd ICAI 2022

International Conference on Automotive Industry 2022

Mladá Boleslav, Czech Republic

Figure 4: Testing equipment

Source: own elaboration (2019) 2.1 Experiment with help of DOE tools The experiment used the Full Factorial tool, which was designed for 4 parameters with

three set levels. The parameters are as follows: A. Profile micro-geometry on the pinion, B. Lead micro-geometry on the pinion,

C. Profile micro-geometry on the gear wheel, D. Lead micro-geometry on the gear wheel The set levels are always micro-geometry shapes according to Figure 2.

Figure 5: Results of the acoustic pressure level

Source: own elaboration (2019), reference paper [2] Figure 5 shows the sound pressure level results for all combinations. It can be seen from this graph that the difference in sound pressure level between the best and the worst result is 7.7dB. To analyse the influence of individual parameters on the result, the individual level settings for the given parameters can be seen in Figure 7. The results

120