ball bearing

简明释义

滚珠轴承

英英释义

例句

1.The bicycle's wheels rotate smoothly thanks to the ball bearing 滚珠轴承 inside the hubs.

自行车的轮子因车轴内的ball bearing 滚珠轴承而顺畅旋转。

2.The engineer replaced the damaged ball bearing 滚珠轴承 in the motor to prevent overheating.

工程师更换了电动机中损坏的ball bearing 滚珠轴承以防止过热。

3.In robotics, ball bearings 滚珠轴承 are essential for smooth and precise movements.

在机器人技术中，ball bearing 滚珠轴承对于平滑和精确的运动是必不可少的。

4.When assembling the model airplane, make sure to install the ball bearing 滚珠轴承 correctly for better performance.

在组装模型飞机时，确保正确安装ball bearing 滚珠轴承以获得更好的性能。

5.High-speed trains use advanced ball bearing 滚珠轴承 technology to reduce friction and increase speed.

高速列车使用先进的ball bearing 滚珠轴承技术来减少摩擦并提高速度。

作文

In the world of engineering and machinery, the term ball bearing (滚珠轴承) is often encountered. A ball bearing is a type of rolling-element bearing that uses balls to maintain the separation between the bearing races. This design allows for smooth and efficient rotation, which is crucial in many mechanical applications. The invention of ball bearings dates back to ancient times, but it was during the Industrial Revolution that their use became widespread. Today, they are found in everything from bicycles to airplanes, playing a vital role in reducing friction and wear in moving parts.The basic structure of a ball bearing consists of an outer race, an inner race, and a set of balls that fit between them. When the inner race rotates, the balls roll along the surface of both races, allowing for smooth motion. This mechanism significantly reduces the friction that would occur if two solid surfaces were in direct contact. Without ball bearings, machines would experience higher levels of wear and tear, leading to more frequent maintenance and shorter lifespans.One of the key advantages of ball bearings is their ability to handle both radial and axial loads. Radial loads are those that act perpendicular to the shaft, while axial loads act parallel to it. This versatility makes ball bearings suitable for a wide range of applications. For instance, in electric motors, ball bearings support the rotor and allow it to spin freely, enhancing the motor's efficiency.Moreover, ball bearings come in various sizes and designs to accommodate different needs. Some are sealed to prevent dirt and debris from entering, while others are lubricated with grease or oil to further reduce friction. The choice of materials is also important; common options include steel, ceramic, and plastic, each offering unique benefits depending on the application.In recent years, advancements in technology have led to the development of high-performance ball bearings that can withstand extreme conditions. For example, in aerospace applications, ball bearings must endure high speeds and temperatures while maintaining reliability. Engineers continually seek ways to improve the performance and durability of ball bearings, ensuring they meet the demands of modern machinery.Despite their small size, ball bearings play a significant role in the functionality of countless devices. From household appliances to industrial machinery, their impact is undeniable. Understanding how ball bearings work and their importance can provide valuable insights into the mechanics of everyday objects. As technology continues to evolve, the role of ball bearings will remain crucial in driving innovation and efficiency across various industries.In conclusion, the ball bearing (滚珠轴承) is a fundamental component in mechanical engineering that facilitates smooth motion and reduces friction. Its design allows for versatility in handling different types of loads, making it an essential element in many applications. As we continue to advance technologically, the significance of ball bearings will only grow, highlighting the importance of this seemingly simple yet incredibly effective invention.

在工程和机械的世界中，术语ball bearing（滚珠轴承）经常被提及。ball bearing是一种滚动元件轴承，利用球体在轴承内外圈之间保持分离。这种设计允许平稳而高效的旋转，这在许多机械应用中至关重要。ball bearing的发明可以追溯到古代，但在工业革命期间，它们的使用变得普遍。如今，它们存在于从自行车到飞机的各种设备中，在减少移动部件的摩擦和磨损方面发挥着重要作用。ball bearing的基本结构由外圈、内圈和一组球体组成，这些球体适合它们之间。当内圈旋转时，球体在两个内外圈的表面上滚动，从而实现平滑运动。这一机制显著减少了如果两个固体表面直接接触所产生的摩擦。如果没有ball bearing，机器将经历更高水平的磨损，导致更频繁的维护和更短的使用寿命。ball bearing的一个主要优势是它们能够处理径向和轴向载荷。径向载荷是指垂直于轴线施加的载荷，而轴向载荷则是平行于轴线施加的载荷。这种多功能性使得ball bearing适用于广泛的应用。例如，在电动机中，ball bearing支撑转子并允许其自由旋转，从而提高电动机的效率。此外，ball bearing有各种尺寸和设计，以满足不同的需求。有些经过密封以防止灰尘和杂物进入，而另一些则用油脂或油润滑，以进一步减少摩擦。材料的选择也很重要；常见的选项包括钢、陶瓷和塑料，每种材料根据应用提供独特的好处。近年来，技术的进步导致高性能ball bearing的开发，这些ball bearing能在极端条件下工作。例如，在航空航天应用中，ball bearing必须承受高速和高温，同时保持可靠性。工程师们不断寻求改善ball bearing的性能和耐用性，以确保它们满足现代机械的要求。尽管ball bearing体积小，但它们在无数设备的功能中发挥着重要作用。从家用电器到工业机械，它们的影响不容忽视。理解ball bearing的工作原理及其重要性可以为我们提供对日常物品机械结构的宝贵见解。随着技术的不断发展，ball bearing的作用仍将对推动各行业的创新和效率至关重要。总之，ball bearing（滚珠轴承）是机械工程中的一个基本组件，促进平稳运动并减少摩擦。它的设计允许在处理不同类型的载荷时具有多样性，使其成为许多应用中的重要元素。随着我们继续推进技术，ball bearing的重要性只会增加，突显出这一看似简单但极为有效的发明的重要性。