plain bearing

简明释义

普通滑动轴承

英英释义

例句

1.The plain bearing in this assembly needs lubrication to function properly.

这个组件中的滑动轴承需要润滑才能正常运作。

2.We chose a plain bearing for its simplicity and cost-effectiveness in our design.

我们选择了滑动轴承，因为它在我们的设计中简单且成本效益高。

3.The machine's efficiency improved significantly after we replaced the old plain bearing.

在我们更换了旧的滑动轴承后，机器的效率显著提高。

4.Regular maintenance of the plain bearing is essential to ensure long-term performance.

定期维护滑动轴承对于确保长期性能至关重要。

5.In this application, the plain bearing provides a low-friction solution for rotating shafts.

在这个应用中，滑动轴承为旋转轴提供了低摩擦的解决方案。

作文

In the world of mechanical engineering, various components play a critical role in ensuring the smooth operation of machines. One such component is the plain bearing, which is essential for reducing friction between moving parts. A plain bearing is a simple type of bearing that consists of a shaft rotating within a cylindrical sleeve or housing. Unlike ball bearings or roller bearings, which use rolling elements to reduce friction, a plain bearing relies on a thin film of lubricant to facilitate movement. This design allows for a more straightforward construction and can be advantageous in specific applications where space and weight are limited.The primary function of a plain bearing is to support the rotating shaft and minimize wear and tear on both the shaft and the bearing itself. When a shaft rotates, it generates heat due to friction. The lubricant used in a plain bearing serves to reduce this friction, thereby lowering the temperature and preventing damage to the components. Common materials used for plain bearings include bronze, plastic, and composite materials, each chosen based on the specific requirements of the application, such as load capacity, speed, and environmental conditions.One of the significant advantages of using a plain bearing is its simplicity. Because it does not contain complex moving parts like rolling elements, it is often more durable and easier to maintain. In many cases, plain bearings can operate effectively in harsh environments where other types of bearings may fail. For example, they are commonly used in heavy machinery, automotive applications, and even in aerospace engineering, where reliability is paramount.However, there are also some limitations to consider. While plain bearings can handle high loads, they may not perform well at very high speeds due to the increased heat generated by friction. Therefore, engineers must carefully assess the operating conditions when selecting a bearing type for their designs. Additionally, the choice of lubricant is crucial; improper lubrication can lead to premature failure of the plain bearing and, consequently, the entire system.In conclusion, the plain bearing is a vital component in many mechanical systems, providing essential support and reducing friction between moving parts. Its straightforward design, combined with its ability to operate in challenging conditions, makes it a popular choice in various industries. Understanding the properties and applications of plain bearings is crucial for engineers and designers alike, as it enables them to make informed decisions that enhance the performance and longevity of their machinery. As technology continues to advance, the role of plain bearings will remain significant, evolving alongside new materials and lubrication techniques to meet the demands of modern engineering challenges.

在机械工程的世界中，各种组件在确保机器顺利运行方面发挥着关键作用。其中一个重要组件是平面轴承，它对于减少运动部件之间的摩擦至关重要。平面轴承是一种简单的轴承类型，由旋转的轴和圆柱形套筒或外壳组成。与使用滚动元件来减少摩擦的球轴承或滚子轴承不同，平面轴承依赖于一层薄薄的润滑剂来促进运动。这种设计允许更简单的构造，并且在某些空间和重量有限的特定应用中可能具有优势。平面轴承的主要功能是支持旋转轴并最小化轴与轴承本身的磨损。当轴旋转时，由于摩擦会产生热量。用于平面轴承的润滑剂有助于减少这种摩擦，从而降低温度并防止组件损坏。常用的平面轴承材料包括青铜、塑料和复合材料，每种材料都是根据应用的具体要求（如载荷能力、速度和环境条件）进行选择的。使用平面轴承的一个显著优点是其简单性。由于它不包含复杂的移动部件，如滚动元件，因此通常更耐用且易于维护。在许多情况下，平面轴承可以在其他类型的轴承可能失效的恶劣环境中有效运行。例如，它们通常用于重型机械、汽车应用，甚至航空航天工程中，在这些领域，可靠性至关重要。然而，也有一些限制需要考虑。虽然平面轴承能够承受高负载，但在非常高的速度下可能表现不佳，因为摩擦产生的热量增加。因此，工程师在选择轴承类型时必须仔细评估操作条件。此外，润滑剂的选择至关重要；不当的润滑可能导致平面轴承的过早失效，从而影响整个系统。总之，平面轴承是许多机械系统中的重要组件，提供基本支持并减少运动部件之间的摩擦。其简单的设计，加上能够在严苛条件下运行，使其在各个行业中成为一种流行选择。了解平面轴承的特性和应用对于工程师和设计师至关重要，因为这使他们能够做出明智的决策，从而提高机械的性能和使用寿命。随着技术的不断进步，平面轴承的角色将保持重要性，随着新材料和润滑技术的发展而不断演变，以满足现代工程挑战的需求。