ball bearing
简明释义
滚珠轴承
英英释义
例句
1.The skateboard glides effortlessly due to its high-quality ball bearings 球轴承.
由于高质量的ball bearing 球轴承,滑板滑行毫不费力。
2.The bicycle's wheel spins smoothly thanks to the ball bearing 球轴承 inside the hub.
自行车的轮子因轮毂内的ball bearing 球轴承而转动顺畅。
3.When assembling the machine, make sure to install the ball bearing 球轴承 correctly to avoid friction.
在组装机器时,确保正确安装ball bearing 球轴承以避免摩擦。
4.The car's engine relies on ball bearings 球轴承 to reduce friction between moving parts.
汽车的发动机依赖于ball bearing 球轴承来减少运动部件之间的摩擦。
5.We need to replace the ball bearing 球轴承 in the fan to restore its efficiency.
我们需要更换风扇中的ball bearing 球轴承以恢复其效率。
作文
In the world of mechanics, precision and efficiency are paramount. One crucial component that plays a significant role in achieving these qualities is the ball bearing. 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 rotation and reduces friction between moving parts, which is essential in various applications ranging from household appliances to industrial machinery. The invention of the ball bearing can be traced back to ancient times, but it was not until the industrial revolution that its potential was fully realized. With the rise of machinery, the need for components that could endure high speeds and heavy loads became apparent. The ball bearing emerged as a solution, allowing machines to operate more efficiently and with greater longevity.One of the primary advantages of using a ball bearing is its ability to reduce friction. When two surfaces move against each other, friction generates heat, which can lead to wear and tear over time. By incorporating ball bearings, the contact area between the moving parts is minimized, resulting in less heat generation and reduced wear. This is particularly important in high-speed applications, such as in motors and turbines, where excessive heat can cause catastrophic failure.Additionally, ball bearings come in various sizes and designs, making them versatile for numerous applications. From small electric fans to large conveyor systems, ball bearings are integral to the functionality of countless machines. They are also used in bicycles, skateboards, and even in some types of jewelry, demonstrating their widespread utility.Another critical aspect of ball bearings is their ability to support radial and axial loads. Radial loads are those that act perpendicular to the shaft, while axial loads are parallel to the shaft. A well-designed ball bearing can handle both types of loads, which makes it invaluable in many engineering applications. This capability allows for greater design flexibility in machinery, enabling engineers to create more compact and efficient systems.Maintenance of ball bearings is also a vital consideration. While they are designed to last, regular inspection and lubrication can extend their lifespan significantly. Over time, contaminants can accumulate, and lubrication may deteriorate, leading to increased friction and potential failure. Therefore, understanding how to care for ball bearings is essential for anyone working with machinery.In conclusion, the ball bearing is a remarkable invention that has transformed the way machines operate. Its ability to reduce friction, support various loads, and adapt to different applications makes it an indispensable component in modern engineering. As technology continues to advance, the design and materials used in ball bearings will likely evolve, further enhancing their performance and reliability. Understanding the significance of the ball bearing is crucial for anyone involved in mechanical design or maintenance, as it represents a fundamental element of efficient machinery.
在机械领域,精确和效率是至关重要的。一个在实现这些品质方面发挥重要作用的关键组件就是滚珠轴承。滚珠轴承是一种使用球体来保持轴承滚道之间分离的滚动元件轴承。这种设计允许平滑旋转,并减少运动部件之间的摩擦,这在从家用电器到工业机械的各种应用中都是必不可少的。滚珠轴承的发明可以追溯到古代,但直到工业革命,它的潜力才被充分认识。随着机器的兴起,对能够承受高速和重载的组件的需求变得显而易见。滚珠轴承作为解决方案出现,使机器能够更高效地运转并具有更长的使用寿命。使用滚珠轴承的主要优点之一是其减少摩擦的能力。当两个表面相互移动时,摩擦会产生热量,这可能导致随时间的推移而磨损。通过采用滚珠轴承,运动部件之间的接触面积最小化,从而减少热量产生和磨损。这在电动机和涡轮机等高速应用中尤为重要,因为过多的热量可能导致灾难性的故障。此外,滚珠轴承有各种尺寸和设计,使其在众多应用中具有多功能性。从小型电风扇到大型输送系统,滚珠轴承在无数机器的功能中都是不可或缺的。它们还用于自行车、滑板,甚至某些类型的珠宝,展示了它们广泛的实用性。滚珠轴承的另一个关键方面是其支持径向和轴向负载的能力。径向负载是指垂直于轴的负载,而轴向负载是指平行于轴的负载。设计良好的滚珠轴承可以处理这两种类型的负载,这使其在许多工程应用中具有无价之宝的价值。这种能力允许机械设计中的更大灵活性,使工程师能够创建更紧凑和高效的系统。滚珠轴承的维护也是一个重要的考虑因素。虽然它们被设计为持久耐用,但定期检查和润滑可以显著延长其使用寿命。随着时间的推移,污染物可能会积聚,润滑剂可能会恶化,从而导致摩擦增加和潜在的故障。因此,了解如何保养滚珠轴承对任何与机械工作的人来说都是至关重要的。总之,滚珠轴承是一项非凡的发明,改变了机器的运作方式。它减少摩擦、支持各种负载和适应不同应用的能力使其成为现代工程中不可或缺的组件。随着技术的不断进步,滚珠轴承的设计和材料可能会不断演变,进一步提高其性能和可靠性。理解滚珠轴承的重要性对于任何参与机械设计或维护的人来说都是至关重要的,因为它代表了高效机械的基本元素。
相关单词