ball bearing

简明释义

滚珠轴承

英英释义

例句

1.The skateboard wheels use ball bearings for better performance.

滑板轮子使用滚珠轴承以提高性能。

2.The machine runs smoothly thanks to the high-quality ball bearing.

这台机器运转顺畅，得益于高质量的滚珠轴承。

3.We need to replace the ball bearing in this bicycle wheel.

我们需要更换这个自行车轮子的滚珠轴承。

4.The ball bearing helps reduce friction in the engine.

这个滚珠轴承有助于减少发动机的摩擦。

5.You can find a variety of ball bearing sizes at the hardware store.

在五金店，你可以找到各种尺寸的滚珠轴承。

作文

In the world of engineering and mechanics, the term ball bearing refers to a type of rolling-element bearing that uses balls to maintain the separation between the bearing races. The primary function of a ball bearing is to reduce friction between moving parts, allowing for smoother and more efficient motion. This simple yet ingenious invention has revolutionized various industries, from automotive to aerospace, making it an indispensable component in modern machinery.The design of a ball bearing consists of an outer race, an inner race, and several spherical balls that fit between them. When the inner race rotates, the balls roll within the races, minimizing contact and thus reducing friction. This mechanism not only allows for easier movement but also helps to distribute loads evenly across the surface of the bearing. As a result, ball bearings can support both radial and axial loads, making them versatile in their applications.One of the most significant advantages of using ball bearings is their ability to enhance the performance and longevity of machines. By decreasing friction, they reduce wear and tear on components, leading to less frequent maintenance and longer operational life. For instance, in electric motors, the use of high-quality ball bearings can significantly increase efficiency and reduce energy consumption. This is particularly important in today's world, where energy efficiency is a priority for manufacturers and consumers alike.Moreover, ball bearings are employed in a wide range of products, from household appliances like washing machines and vacuum cleaners to high-speed trains and aircraft. Their adaptability makes them suitable for various environments, including those that require high precision or extreme conditions, such as high temperatures or exposure to corrosive substances. This versatility illustrates why ball bearings are crucial in both everyday items and advanced technological applications.However, despite their many benefits, ball bearings are not without limitations. Overloading a bearing beyond its rated capacity can lead to premature failure, which emphasizes the importance of proper selection and maintenance. Engineers must consider factors such as load ratings, speed, and environmental conditions when choosing the appropriate ball bearing for a specific application. Additionally, while they are designed to last, regular inspections and lubrication are necessary to ensure optimal performance and prevent issues like rust or contamination.In conclusion, the ball bearing is a vital component in the machinery of our daily lives and industrial processes. Its ability to reduce friction, enhance efficiency, and support heavy loads has made it a cornerstone of modern engineering. As technology continues to evolve, the design and materials used in ball bearings will likely advance, further improving their performance and expanding their applications. Understanding the role and functionality of ball bearings is essential for anyone involved in engineering or manufacturing, as they are fundamental to the smooth operation of countless machines and devices.

在工程和机械的世界中，术语球轴承指的是一种滚动元件轴承，它使用球体来保持轴承轨道之间的间隔。球轴承的主要功能是减少运动部件之间的摩擦，从而实现更平滑、更高效的运动。这一简单而巧妙的发明彻底改变了汽车、航空等多个行业，使其成为现代机械中不可或缺的组成部分。球轴承的设计由外圈、内圈和若干个位于它们之间的球体组成。当内圈旋转时，球体在轴承轨道内滚动，从而最小化接触，减少摩擦。这一机制不仅允许更轻松的运动，还帮助均匀分配负载，从而使球轴承能够支持径向和轴向负载，使其在应用上具有多样性。使用球轴承的一个显著优势是它们能够增强机器的性能和寿命。通过减少摩擦，它们减少了部件的磨损，从而导致更少的维护频率和更长的操作寿命。例如，在电动机中，使用高质量的球轴承可以显著提高效率并减少能耗。这在当今世界尤为重要，因为能源效率已成为制造商和消费者的优先考虑事项。此外，球轴承被广泛应用于各种产品中，从家用电器如洗衣机和吸尘器到高速列车和飞机。它们的适应性使其适合于各种环境，包括那些需要高精度或极端条件（如高温或腐蚀性物质暴露）的环境。这种多样性说明了为什么球轴承在日常物品和先进技术应用中至关重要。然而，尽管有许多好处，球轴承也并非没有局限性。超出额定容量过载使用轴承可能导致提前失效，这强调了正确选择和维护的重要性。工程师在为特定应用选择合适的球轴承时，必须考虑负载等级、速度和环境条件等因素。此外，虽然它们被设计为持久，但定期检查和润滑是确保最佳性能和防止锈蚀或污染等问题所必需的。总之，球轴承是我们日常生活和工业过程中至关重要的组成部分。它们减少摩擦、提高效率和支持重负载的能力使其成为现代工程的基石。随着技术的不断发展，球轴承的设计和材料可能会进一步改进，从而提升其性能并扩展其应用。理解球轴承的作用和功能对于任何参与工程或制造的人来说都是至关重要的，因为它们是无数机器和设备顺利运行的基础。