ball bearing

简明释义

球轴承

英英释义

例句

1.In many machines, ball bearings are essential for reducing friction.

在许多机器中，滚珠轴承对于减少摩擦是必不可少的。

2.The engine runs more efficiently with high-quality ball bearings.

使用高质量的滚珠轴承，发动机运行得更高效。

3.The bicycle's wheels rotate smoothly thanks to the quality of the ball bearing.

由于优质的滚珠轴承，自行车的轮子旋转得很顺畅。

4.You can find ball bearings in various sizes for different applications.

你可以找到适用于不同应用的各种尺寸的滚珠轴承。

5.I need to replace the ball bearing in my skateboard for better performance.

我需要更换滑板上的滚珠轴承以获得更好的性能。

作文

In the world of engineering and mechanics, the term ball bearing refers to a type of rolling-element bearing that utilizes balls to maintain the separation between the moving parts of a machine. This simple yet ingenious invention has revolutionized the way machines operate, allowing them to run more smoothly and efficiently. The primary function of a ball bearing is to reduce friction between the rotating shaft and the stationary housing, which in turn minimizes wear and tear on both components. As a result, machines equipped with ball bearings can achieve higher speeds and greater precision in their operations.The history of ball bearings dates back to ancient times when simple wooden or metal rollers were used to facilitate the movement of heavy objects. However, it wasn't until the early 19th century that the modern ball bearing was developed. Invented by Philip Vaughan, a Welsh inventor, the first patent for a ball bearing was granted in 1794. Vaughan's design utilized steel balls to reduce friction, which laid the groundwork for future innovations in bearing technology.Today, ball bearings are found in a wide variety of applications, from bicycles and cars to industrial machinery and aerospace equipment. Their versatility and effectiveness make them an essential component in numerous devices. For example, in a bicycle, ball bearings are used in the wheel hubs, pedals, and bottom brackets to ensure smooth operation. Similarly, in automobiles, ball bearings are crucial for the functioning of the engine, transmission, and wheel assemblies.One of the key advantages of ball bearings is their ability to handle both radial and axial loads, making them suitable for various mechanical configurations. Radial loads are those that act perpendicular to the axis of rotation, while axial loads are parallel to the axis. This dual capability allows ball bearings to be employed in a multitude of designs, ensuring that they can accommodate different types of stress and strain.Moreover, the manufacturing process of ball bearings has evolved significantly over the years. Modern techniques involve the use of advanced materials, such as high-carbon chromium steel, which enhances durability and performance. Additionally, the introduction of precision machining and heat treatment processes has led to the production of ball bearings that can withstand extreme conditions, including high temperatures and corrosive environments.In conclusion, the ball bearing is a remarkable invention that has had a profound impact on the development of machinery and technology. Its ability to reduce friction and improve efficiency has made it an indispensable component in countless applications. As we continue to innovate and push the boundaries of engineering, the role of ball bearings will undoubtedly remain significant, contributing to the advancement of modern machinery and transportation systems. Understanding the principles behind ball bearings not only highlights their importance in engineering but also showcases the ingenuity of human invention in overcoming challenges related to motion and friction.

在工程和机械领域，术语滚珠轴承指的是一种使用球体来保持机器运动部件之间间隔的滚动元件轴承。这种简单而巧妙的发明彻底改变了机器的运行方式，使其更平稳、更高效。滚珠轴承的主要功能是减少旋转轴与静止外壳之间的摩擦，从而最小化两个部件的磨损。因此，配备了滚珠轴承的机器可以在操作中实现更高的速度和更大的精度。滚珠轴承的历史可以追溯到古代，当时人们使用简单的木制或金属滚轮来促进重物的移动。然而，直到19世纪初，现代滚珠轴承才得以发展。威尔士发明家菲利普·沃恩（Philip Vaughan）发明的第一项滚珠轴承专利于1794年获得批准。沃恩的设计利用钢球来减少摩擦，为未来的轴承技术创新奠定了基础。如今，滚珠轴承广泛应用于各种场合，从自行车和汽车到工业机械和航空设备。它们的多功能性和有效性使其成为众多设备中不可或缺的组成部分。例如，在自行车中，滚珠轴承用于车轮轴心、踏板和底部支架，以确保平稳运行。同样，在汽车中，滚珠轴承对发动机、变速器和车轮组件的正常运作至关重要。滚珠轴承的一个关键优势是能够处理径向和轴向载荷，使其适用于各种机械配置。径向载荷是指垂直于旋转轴线作用的载荷，而轴向载荷则是平行于轴线的载荷。这种双重能力使得滚珠轴承可以广泛应用于多种设计中，确保它们能够适应不同类型的应力和应变。此外，滚珠轴承的制造工艺也随着岁月的发展而显著演变。现代技术采用先进材料，如高碳铬钢，以增强耐久性和性能。此外，精密加工和热处理工艺的引入，使得生产出的滚珠轴承能够承受极端条件，包括高温和腐蚀环境。总之，滚珠轴承是一项了不起的发明，对机器和技术的发展产生了深远的影响。其减少摩擦和提高效率的能力，使其成为无数应用中不可或缺的组成部分。随着我们不断创新和推动工程的边界，滚珠轴承的作用无疑将继续显著，为现代机器和交通系统的进步做出贡献。理解滚珠轴承背后的原理，不仅突显了它们在工程中的重要性，还展示了人类在克服与运动和摩擦相关的挑战方面的创造力。