The contact fatigue tester has high contact stress, small volume, low noise, low consumption of test sam-pl, stable driving system and reliable results.
认为该装置具有接触应力大，体积小，噪声小，一次试验耗油量小，试验系统传动稳定，试验结果可信等优点。
2
Use of a variety of rail profiles with a range of contact points improves steering and overall ride quality, and thereby reduces noise and vibration.