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困油现象
entrap phenomenon
- 困油现象是由齿轮泵自身工作原理造成的，它直接影响着齿轮泵的工作性能及寿命。
The phenomenon of oil-trap stems from the principle of gear pumps, and it affects directly the performance and life of the gear pumps. - 通过分析 ，找出了齿轮油泵在运转过程中造成困油容积而形成功率损失、振动和噪声的原因 ，为设计和维修齿轮油泵提供了消除困油现象的方法和结构措施。
Based on the theory analysis, the reason was discovered of oil- blocking during the operation of a gear oil pump, which resulted in power loss, vibration and noise. - 齿轮泵转子的齿廓型线一般为渐开线，渐开线型线虽设计加工方便，但存在原理性的困油现象；
The tooth profile of gear pump is involute in general. Though the involute profile is easy to design and manufacture, it also brings the inherent problem of oil trapping.
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