液压系统动密封装置常见故障原因及对策（二）金振帮二、旋转运动密封装置常见故障原因及对策旋转运动密封装置是由骨架油封及其座孔（油封安装腔体）和相应的动密封副偶件（轴）所构成。其故障型式一般表现为沿油封外径与座孔配合面间的泄漏及沿油封密封唇缘与转轴间的泄... Causes and Countermeasures of Common Faults in Hydraulic Seals and Seals (2) Jin Zhenbang II. Causes and Countermeasures of Common Faults in Sealing and Rotating Seals Rotating and moving seals consist of a skeleton oil seal and its seat hole (oil seal mounting cavity) and its corresponding movable seal pair Pieces (shaft) posed. The failure of the general performance of the oil seal along the outer diameter and seat hole with the leakage between the surface and the seal between the lip seal and the shaft leakage ...