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抽油泵柱塞失效分析与改进意见胜利石油学校（东营市２５７０９８）马玉宝，刘旭林根据现场调查，抽油泵故障中约有６０％出在柱塞副（柱塞和衬套）。而在故障失效的柱塞副中，衬套约有５ｏ％可重新利用，但是，柱塞重用的机率几乎等于零。对失效柱塞的化检和物理性能测定...
Failure Analysis of Pump Plunger and Suggestions for Improvement Shengli Petroleum School (Dongying 257098) Ma Yubao and Liu Xulin According to the field investigation, about 60% of the pump failure occurred in the plunger pair (plunger and bushing). In the failure of the plunger pair, about 5o% of the liner can be reused, but the probability of plunger reuse is almost equal to zero. Check the failed plunger and physical properties of ...