... radial plunger type oil motor 径向柱塞式油马达 radial pulsation 径向脉动 radial pump 径向泵 ...
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Frequency of torque signal is consistent with that of force vibration. Amplitudes of radial pulsation signal increases as tapping continues.
扭矩信号的频率与外加振动频率相一致，径向跳动信号随攻丝过程的持续进行逐渐变大。
The common gear pump has such merits as simple structure, low cost, insensitive oil pollution, etc. but it has such demerits as high flow pulsation, unbalanced radial force, strong noise, etc.
普通齿轮泵具有结构简单、成本低、对油液污染不敏感等特点，但具有流量脉动大、径向力不平衡、噪声高等缺点。
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