main bearing
简明释义
轴承
英英释义
A main bearing is a component in an engine or machinery that supports the crankshaft and allows it to rotate smoothly, reducing friction and wear. | 主轴承是发动机或机械中的一个部件,支撑曲轴并允许其平稳旋转,从而减少摩擦和磨损。 |
例句
1.He learned how to properly install a main bearing during his apprenticeship.
他在学徒期间学会了如何正确安装主轴承。
2.The noise coming from the engine suggested that the main bearing was failing.
发动机发出的噪音表明主轴承可能出现故障。
3.A faulty main bearing can lead to serious engine problems.
故障的主轴承可能导致严重的发动机问题。
4.The mechanic inspected the main bearing for any signs of wear and tear.
机械师检查了主轴承是否有磨损的迹象。
5.During the rebuild, we replaced the main bearing to ensure optimal performance.
在重建过程中,我们更换了主轴承以确保最佳性能。
作文
The importance of the main bearing in mechanical systems cannot be overstated. In any machine that involves rotation, the main bearing serves as a critical component that supports the rotating shaft and allows it to turn smoothly. Without a properly functioning main bearing, machines can experience excessive wear and tear, leading to malfunctions and costly repairs. In engines, for example, the main bearing is responsible for supporting the crankshaft, which converts linear motion into rotational motion. This conversion is essential for the engine's operation, and the main bearing must endure significant forces and temperatures. If the main bearing fails, it can lead to catastrophic engine failure, resulting in not only financial loss but also safety hazards.Moreover, the design and materials used for the main bearing are crucial for its performance. Engineers often select materials that can withstand high temperatures and pressures while minimizing friction. Innovations in bearing technology have led to the development of advanced materials such as ceramic and composite bearings, which offer improved performance over traditional metal bearings. These advancements help extend the lifespan of the main bearing and enhance the overall efficiency of the machine.Additionally, regular maintenance of the main bearing is essential to ensure its longevity. Lubrication plays a vital role in reducing friction and preventing overheating. Neglecting lubrication can lead to premature wear and potential failure of the main bearing. Therefore, operators must adhere to maintenance schedules and use appropriate lubricants to keep the main bearing in optimal condition.In conclusion, the main bearing is a fundamental element in various mechanical systems, especially in engines. Its role in supporting rotating components is critical for the overall functionality and reliability of machinery. Understanding the significance of the main bearing, along with proper maintenance and technological advancements, can lead to better performance and increased safety in mechanical operations. By prioritizing the health of the main bearing, we can ensure the longevity and efficiency of our machines, ultimately saving time and resources in the long run.
在机械系统中,主轴承的重要性不容小觑。在任何涉及旋转的机器中,主轴承作为一个关键组件,支撑着旋转的轴,并使其顺畅地转动。如果没有正常运作的主轴承,机器可能会经历过度磨损,导致故障和昂贵的维修费用。例如,在发动机中,主轴承负责支撑曲轴,曲轴将线性运动转化为旋转运动。这种转换对发动机的运行至关重要,而主轴承必须承受显著的力量和温度。如果主轴承发生故障,可能会导致灾难性的发动机故障,不仅造成经济损失,还可能带来安全隐患。此外,主轴承的设计和材料对于其性能至关重要。工程师通常选择能够承受高温和压力并最小化摩擦的材料。轴承技术的创新导致了先进材料的开发,例如陶瓷和复合材料轴承,这些材料在性能上优于传统金属轴承。这些进步有助于延长主轴承的使用寿命,并提高机器的整体效率。此外,定期维护主轴承对于确保其耐用性至关重要。润滑在减少摩擦和防止过热方面起着至关重要的作用。忽视润滑可能导致主轴承的过早磨损和潜在故障。因此,操作人员必须遵循维护计划并使用适当的润滑剂,以保持主轴承的最佳状态。总之,主轴承是各种机械系统中的基本元素,特别是在发动机中。它在支撑旋转组件方面的作用对于机器的整体功能和可靠性至关重要。理解主轴承的重要性,以及适当的维护和技术进步,可以提高机械操作的性能和安全性。通过优先考虑主轴承的健康,我们可以确保机器的耐用性和效率,从而最终节省时间和资源。
相关单词