preloaded bearing

简明释义

预紧轴承

英英释义

例句

1.The design of the robotic arm incorporates a preloaded bearing to enhance precision during movement.

机器臂的设计采用了预加载轴承以提高运动过程中的精确度。

2.The preloaded bearing in the wheel hub contributes to smoother rotation and less wear.

车轮轴承中的预加载轴承有助于更平滑的旋转和更少的磨损。

3.For better performance, the assembly includes a preloaded bearing that minimizes backlash.

为了更好的性能，组件中包括一个预加载轴承，以最小化回程间隙。

4.The engineer recommended a preloaded bearing for the turbine to ensure stability under load.

工程师建议在涡轮中使用预加载轴承以确保在负载下的稳定性。

5.In high-speed applications, using a preloaded bearing can significantly reduce vibration.

在高速应用中，使用预加载轴承可以显著减少振动。

作文

The concept of a preloaded bearing is essential in the world of engineering and machinery. A preloaded bearing refers to a type of bearing that has been subjected to a predetermined load before it is put into operation. This process ensures that the bearing operates under optimal conditions, reducing the risk of failure and enhancing performance. In many applications, especially those involving high-speed rotations or heavy loads, the importance of a preloaded bearing cannot be overstated. By applying a preload, engineers can minimize the play within the bearing, which helps in maintaining alignment and reduces vibrations during operation.One of the significant advantages of using a preloaded bearing is its ability to improve the stiffness of the entire assembly. Stiffness is crucial in applications where precision is required, such as in robotics or aerospace engineering. When a bearing is preloaded, it can support higher radial and axial loads without deforming, thus providing greater accuracy in movement. This is particularly beneficial in systems where even the slightest misalignment can lead to catastrophic failures.Moreover, preloaded bearings are designed to extend their lifespan. By eliminating excess clearance between the rolling elements and raceways, these bearings reduce wear and tear. This characteristic is vital in industrial machinery, where downtime can lead to significant financial losses. Regular maintenance and replacement of bearings can be costly, so implementing preloaded bearings can be a cost-effective solution in the long run.In addition to their mechanical benefits, preloaded bearings also contribute to the overall efficiency of machines. With reduced friction and improved load distribution, these bearings help in conserving energy. In industries where energy consumption is a critical concern, the use of preloaded bearings can lead to lower operational costs and a smaller carbon footprint.However, it is essential to note that achieving the correct preload is crucial. Over-preloading can lead to excessive stress on the bearing, resulting in premature failure, while under-preloading can cause instability and increased vibration. Engineers must carefully calculate the appropriate preload based on the specific application and operating conditions. This involves understanding the materials used, the expected loads, and the environmental factors that may affect performance.In conclusion, the significance of preloaded bearings in modern engineering cannot be overlooked. Their ability to enhance performance, increase longevity, and improve efficiency makes them a preferred choice in various applications. As technology advances, the design and implementation of preloaded bearings will continue to evolve, further pushing the boundaries of what is possible in machinery and engineering. Understanding the principles behind preloaded bearings not only aids engineers in making informed decisions but also fosters innovation in the development of new technologies that rely on precision and reliability.

“预加载轴承”的概念在工程和机械领域至关重要。“预加载轴承”是指在投入运行之前，已经施加了预定负载的一种轴承。这一过程确保了轴承在最佳条件下运行，降低了故障风险并增强了性能。在许多应用中，尤其是涉及高速旋转或重负载的场合，“预加载轴承”的重要性不容小觑。通过施加预加载，工程师可以最小化轴承内的间隙，从而帮助保持对齐，并减少运行中的振动。使用“预加载轴承”的一个显著优势是它能够提高整个组件的刚度。刚度在需要精确度的应用中至关重要，例如在机器人技术或航空航天工程中。当轴承被预加载时，它可以在不变形的情况下支持更高的径向和轴向负载，从而提供更大的运动准确性。这在系统中，即便是微小的失调也可能导致灾难性故障的情况下尤为有益。此外，“预加载轴承”还旨在延长其使用寿命。通过消除滚动元件与轨道之间的过大间隙，这些轴承减少了磨损。这一特性在工业机械中至关重要，因为停机时间可能导致显著的财务损失。定期维护和更换轴承可能会很昂贵，因此实施“预加载轴承”从长远来看可能是一种经济有效的解决方案。除了机械优势外，“预加载轴承”还有助于提高机器的整体效率。由于摩擦减少和负载分布改善，这些轴承有助于节约能源。在能源消费至关重要的行业中，使用“预加载轴承”可以降低运营成本和碳足迹。然而，值得注意的是，达到正确的预加载是至关重要的。过度预加载可能导致轴承承受过大的应力，导致过早失效，而不足预加载则可能造成不稳定和增加振动。工程师必须根据特定应用和操作条件仔细计算适当的预加载。这涉及到理解所用材料、预期负载和可能影响性能的环境因素。总之，“预加载轴承”在现代工程中的重要性不容忽视。它们提高性能、延长使用寿命和改善效率的能力使其成为各种应用的首选。随着技术的进步，“预加载轴承”的设计和实施将继续发展，进一步推动机械和工程领域的可能性。理解“预加载轴承”背后的原理不仅有助于工程师做出明智的决策，还促进了依赖于精度和可靠性的新技术的发展。