rolling contact bearing

简明释义

滚动轴承

英英释义

例句

1.The efficiency of the machine improved significantly after we replaced the old bearings with new rolling contact bearing 滚动接触轴承.

在我们用新的rolling contact bearing 滚动接触轴承替换旧轴承后，机器的效率显著提高。

2.The design of the rolling contact bearing 滚动接触轴承 allows for smoother operation in machinery.

设计的rolling contact bearing 滚动接触轴承使机器运行更加平稳。

3.In high-speed applications, rolling contact bearing 滚动接触轴承 are preferred due to their lower friction.

在高速应用中，由于摩擦较小，通常选择rolling contact bearing 滚动接触轴承。

4.The rolling contact bearing 滚动接触轴承 is essential in reducing wear and tear in automotive engines.

在汽车发动机中，rolling contact bearing 滚动接触轴承是减少磨损的重要部件。

5.Regular maintenance of rolling contact bearing 滚动接触轴承 can extend their lifespan significantly.

定期维护rolling contact bearing 滚动接触轴承可以显著延长其使用寿命。

作文

The concept of a rolling contact bearing is fundamental in the field of mechanical engineering. A rolling contact bearing is a type of bearing that allows for the smooth rotation of one part relative to another by utilizing rolling elements, such as balls or rollers. These bearings are designed to minimize friction and wear, making them essential components in various machines and vehicles. In contrast to sliding bearings, which rely on a thin film of lubricant to reduce friction, rolling contact bearings achieve this through the rolling motion of their elements. This design not only enhances efficiency but also increases the lifespan of the bearing itself.One of the primary advantages of rolling contact bearings is their ability to handle both radial and axial loads. Radial loads are those that act perpendicular to the axis of rotation, while axial loads are parallel to that axis. By employing different configurations, such as deep groove ball bearings or tapered roller bearings, engineers can select the appropriate type of rolling contact bearing for specific applications. For instance, deep groove ball bearings are commonly used in electric motors, while tapered roller bearings are often found in automotive wheel hubs.The materials used in the construction of rolling contact bearings also play a significant role in their performance. Typically, these bearings are made from high-carbon chromium steel, which offers excellent hardness and wear resistance. Additionally, advanced materials such as ceramic and polymer composites are becoming increasingly popular due to their lightweight properties and corrosion resistance. The choice of material directly impacts the bearing's ability to withstand various operating conditions, including temperature fluctuations and exposure to harsh environments.In terms of maintenance, rolling contact bearings require regular lubrication to ensure optimal performance. Lubricants reduce friction between the rolling elements and the raceways, preventing overheating and premature failure. Depending on the application, different types of lubricants can be employed, such as grease or oil. It is crucial for engineers and technicians to follow manufacturer guidelines regarding lubrication intervals and methods to maintain the longevity of these bearings.Moreover, the design and installation of rolling contact bearings must be executed with precision. Misalignment or improper fitting can lead to uneven wear and eventual failure. Engineers must consider factors such as load capacity, speed, and environmental conditions when selecting and installing rolling contact bearings. Advanced simulation tools and techniques are often used during the design phase to predict the performance of bearings under various scenarios, allowing for more informed decision-making.In conclusion, rolling contact bearings are vital components in modern machinery, providing efficient and reliable motion transfer. Their unique design, material composition, and maintenance requirements set them apart from other types of bearings. As technology continues to advance, the development of new materials and designs for rolling contact bearings will likely enhance their performance and applicability in an even wider range of industries. Understanding the principles behind rolling contact bearings is essential for engineers and technicians who aim to optimize machine performance and reliability.

‘滚动接触轴承’的概念在机械工程领域中是基础性的。‘滚动接触轴承’是一种允许一个部件相对于另一个部件平滑旋转的轴承，通过利用滚动元件，如球或滚子。这些轴承旨在最小化摩擦和磨损，使其成为各种机器和车辆的重要组成部分。与依赖于薄润滑膜来减少摩擦的滑动轴承相比，‘滚动接触轴承’通过其元件的滚动运动来实现这一点。这种设计不仅提高了效率，还增加了轴承本身的使用寿命。‘滚动接触轴承’的主要优点之一是它们能够处理径向和轴向负载。径向负载是指垂直于旋转轴线作用的负载，而轴向负载则是平行于该轴线的负载。通过采用不同的配置，例如深沟球轴承或锥形滚子轴承，工程师可以为特定应用选择合适类型的‘滚动接触轴承’。例如，深沟球轴承通常用于电动机，而锥形滚子轴承则常见于汽车轮毂。用于构建‘滚动接触轴承’的材料也在其性能中发挥着重要作用。通常，这些轴承由高碳铬钢制成，提供出色的硬度和耐磨性。此外，陶瓷和聚合物复合材料等先进材料因其轻质特性和耐腐蚀性而越来越受欢迎。材料的选择直接影响轴承在各种操作条件下的能力，包括温度波动和暴露于恶劣环境。在维护方面，‘滚动接触轴承’需要定期润滑以确保最佳性能。润滑剂减少滚动元件与滚道之间的摩擦，防止过热和提前失效。根据应用的不同，可以使用不同类型的润滑剂，例如油脂或油。工程师和技术人员必须遵循制造商关于润滑间隔和方法的指南，以保持这些轴承的长寿命。此外，‘滚动接触轴承’的设计和安装必须精确执行。错位或不当配合可能导致不均匀磨损和最终失效。工程师在选择和安装‘滚动接触轴承’时，必须考虑负载能力、速度和环境条件等因素。在设计阶段，通常使用先进的仿真工具和技术来预测轴承在各种场景下的性能，从而进行更明智的决策。总之，‘滚动接触轴承’是现代机械中至关重要的组件，提供高效可靠的运动传递。它们独特的设计、材料组成和维护要求使其与其他类型的轴承区分开来。随着技术的不断进步，‘滚动接触轴承’的新材料和设计的发展可能会进一步提高其性能，并在更广泛的行业中应用。理解‘滚动接触轴承’背后的原理对旨在优化机器性能和可靠性的工程师和技术人员至关重要。