徐州NSK轴承进口材料的冶金质量是影响早期轧制失效的主要因素。随着钢铁真空脱气等冶金技术的发展，原料质量获得了提高。
The metallurgical quality of imported materials of Xuzhou NSK bearings is the main factor affecting the early rolling failure. With the development of metallurgical technology such as vacuum degassing of iron and steel, the quality of raw materials has been improved.
在徐州NSK轴承失效分析中，原材料质量因素比例明显降低，但仍是影响失效的主要因素之一。材料选择是否正确仍然是轴承失效分析中务必考虑的一个因素。
In the failure analysis of Xuzhou NSK bearing, the proportion of raw material quality factors is ***iously reduced, but it is still one of the main factors affecting the failure. Material selection is still an important factor in bearing failure analysis.
内部因素主要是结构设计、制造工艺和材料质量，决定了进口特种轴承的质量。
Internal factors are mainly structural design, manufacturing process and material quality, which determine the quality of imported special bearings.
首先，使用系数主要是指安装、调整、使用和维护是否符合技术要求。根据徐州NSK轴承安装、使用和维护的技术要求，立即查明和调整异常原因，并对运行中轴承车间的负荷、转速、工作温度、振动、噪声和润滑情况进行监测和检查。一切***正常。
First of all, the use factor mainly refers to whether the installation, adjustment, use and maintenance meet the technical requirements. According to the technical requirements of installation, use and maintenance of NSK bearings in Xuzhou, the abnormal causes are identified and adjusted immediately, and the load, speed, working temperature, vibration, noise and lubrication of the bearing workshop in operation are monitored and inspected. Everything is back to normal.
安装条件是使用中**重要的因素之一。由于安装不当，进口圆柱滚子轴承经常引起整套零件间应力状态的变化。轴承在异常情况下工作，过早失效。此外，分析和测试我国润滑脂用量以及徐州NSK轴承周围的介质和气氛也很重要。
Installation conditi*** are one of the most important factors in use. Due to improper installation, imported cylindrical roller bearings often cause changes in stress state between the whole set of parts. Bearings work under abnormal conditi*** and fail prematurely. In addition, it is also important to analyze and test the amount of grease used in China and the medium and atmosphere around Xuzhou NSK bearings.
为避免圆锥滚子轴承突然早期失效，提出了改进措施，这是圆锥滚子轴承失效分析的主要任务。
In order to ***oid the sudden early failure of tapered roller bearings, improvement measures are proposed, which is the main task of failure analysis of tapered roller bearings.
轴承失效往往是由进口轴承的各种啮合因素引起的。所有的设计和制造工艺因素都与轴承失效有关。徐州NSK轴承座的断裂很难判断。一般来说，我们可以用这种方法来确定轴承失效的原因。
Bearing failure is often caused by various meshing factors of imported bearings. All design and manufacturing process factors are related to bearing failure. It is difficult to judge the fracture of Xuzhou NSK bearing seat. Generally speaking, we can use this method to determine the cause of bearing failure.
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