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。

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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.

可采用多种钢轨廓形，使每种廓形与车轮均有一定数量的接触点，可以提高导向性能和总体的车辆运行质量，从而减少噪声和振动。

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Time of contact with noise shall be strict controled according to national noise standard.

应严格按照国内噪声标准确定工人接触噪声时间。

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Its no-contact drive system uses an advanced low-noise motor and geared belt to ensure control over speed while filtering out vibration.

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