antifriction bearings

简明释义

1. 减摩轴承; 2. 滚动轴承;

英英释义

例句

1.The automotive industry relies heavily on antifriction bearings for smoother operation.

汽车行业在很大程度上依赖于抗摩擦轴承以实现更平稳的运作。

2.The new machine design incorporates advanced antifriction bearings to improve efficiency.

新机器设计采用了先进的抗摩擦轴承以提高效率。

3.Regular maintenance of antifriction bearings can significantly extend their lifespan.

定期维护抗摩擦轴承可以显著延长其使用寿命。

4.Upgrading to high-quality antifriction bearings can enhance performance in machinery.

升级到高品质的抗摩擦轴承可以提升机械性能。

5.In high-speed applications, antifriction bearings reduce wear and tear on moving parts.

在高速应用中，抗摩擦轴承减少了运动部件的磨损。

作文

In the realm of mechanical engineering, the importance of efficient movement cannot be overstated. One of the key components that facilitate smooth motion in machines is known as antifriction bearings. These devices play a crucial role in reducing friction between moving parts, thereby enhancing the overall efficiency and longevity of machinery. The concept of friction is fundamental in physics; it is the resistance that one surface or object encounters when moving over another. In many industrial applications, excessive friction can lead to wear and tear, overheating, and ultimately, mechanical failure. This is where antifriction bearings come into play, offering a solution that minimizes these adverse effects.Antifriction bearings are designed to support rotating shafts and reduce the frictional forces acting upon them. They are typically made from materials such as steel, ceramic, or plastic and come in various forms, including ball bearings, roller bearings, and sleeve bearings. Each type has its own specific applications and advantages. For instance, ball bearings are commonly used in high-speed applications due to their ability to handle radial and axial loads effectively, while roller bearings are better suited for heavy loads due to their larger contact area.The design of antifriction bearings is critical to their performance. The precision with which they are manufactured directly affects their ability to reduce friction. High-quality bearings are engineered to minimize gaps between the moving parts, ensuring that they operate smoothly under various conditions. Additionally, lubrication plays a vital role in the functionality of antifriction bearings. Proper lubrication reduces direct contact between surfaces, further decreasing friction and heat generation.In various industries, the application of antifriction bearings is widespread. In the automotive sector, for example, these bearings are essential for the smooth operation of engines, transmissions, and wheel assemblies. They help improve fuel efficiency by reducing energy loss due to friction. Similarly, in the aerospace industry, antifriction bearings are critical components in aircraft engines and landing gear systems, where reliability and performance are paramount.Moreover, the use of antifriction bearings is not limited to large-scale industrial applications. They are also found in everyday appliances like washing machines, fans, and power tools. By understanding the significance of these components, engineers can design more efficient and durable products that meet the demands of modern technology.As industries continue to evolve, the development of antifriction bearings also advances. Innovations in materials and manufacturing processes are leading to the creation of bearings that are lighter, stronger, and more resistant to wear. For instance, the introduction of composite materials has opened new avenues for enhancing the performance of bearings in extreme conditions. Furthermore, advancements in lubrication technologies, such as self-lubricating bearings, are making it easier to maintain optimal operating conditions without the need for regular maintenance.In conclusion, antifriction bearings are indispensable components in the world of mechanical engineering. Their ability to reduce friction and enhance the efficiency of machines makes them vital in a wide range of applications. As technology continues to progress, the importance of these bearings will only grow, leading to innovations that will further improve their performance and reliability. Understanding the role of antifriction bearings is essential for anyone involved in engineering and manufacturing, as they represent a critical aspect of modern mechanical design and function.

在机械工程领域，高效运动的重要性不言而喻。促进机器平稳运动的关键组件之一被称为抗摩擦轴承。这些设备在减少运动部件之间的摩擦方面发挥着至关重要的作用，从而提高了机械的整体效率和使用寿命。摩擦的概念是物理学中的基本概念；它是一个表面或物体在移动时遇到的阻力。在许多工业应用中，过度的摩擦可能导致磨损、过热，并最终导致机械故障。这就是抗摩擦轴承发挥作用的地方，提供了一种最小化这些不利影响的解决方案。抗摩擦轴承旨在支撑旋转轴并减少作用于它们的摩擦力。它们通常由钢、陶瓷或塑料等材料制成，并有多种形式，包括球轴承、滚子轴承和滑动轴承。每种类型都有其特定的应用和优势。例如，球轴承由于能够有效处理径向和轴向载荷，通常用于高速应用，而滚子轴承由于接触面积更大，更适合重载应用。抗摩擦轴承的设计对其性能至关重要。制造精度直接影响其减少摩擦的能力。高质量的轴承经过工程设计，以最小化运动部件之间的间隙，确保它们在各种条件下平稳运行。此外，润滑在抗摩擦轴承的功能中也起着至关重要的作用。适当的润滑减少了表面之间的直接接触，进一步降低了摩擦和热量产生。在各个行业中，抗摩擦轴承的应用非常广泛。例如，在汽车行业，这些轴承对于发动机、变速器和车轮组件的平稳运行至关重要。它们通过减少摩擦造成的能量损失来提高燃油效率。同样，在航空航天行业，抗摩擦轴承是飞机发动机和起落架系统中的关键组件，在这些领域，可靠性和性能至关重要。此外，抗摩擦轴承的使用不仅限于大型工业应用。它们还出现在洗衣机、风扇和电动工具等日常家电中。通过理解这些组件的重要性，工程师可以设计出更加高效和耐用的产品，以满足现代技术的需求。随着行业的不断发展，抗摩擦轴承的发展也在进步。材料和制造工艺的创新正在导致轻便、强大且耐磨的轴承的产生。例如，复合材料的引入为在极端条件下增强轴承性能开辟了新的途径。此外，润滑技术的进步，例如自润滑轴承，使得在不需要定期维护的情况下维持最佳操作条件变得更加容易。总之，抗摩擦轴承是现代机械工程中不可或缺的组成部分。它们减少摩擦和提高机器效率的能力使其在广泛的应用中至关重要。随着技术的不断进步，这些轴承的重要性只会增加，导致进一步改善其性能和可靠性的创新。理解抗摩擦轴承的作用对于任何参与工程和制造的人来说都是必不可少的，因为它们代表了现代机械设计和功能的关键方面。