sealed bearing

简明释义

密封轴承

英英释义

例句

1.The bicycle's rear wheel is equipped with a sealed bearing 密封轴承 to prevent dirt and moisture from entering.

自行车的后轮配备了一个密封轴承 密封轴承，以防止灰尘和水分进入。

2.The washing machine uses sealed bearings 密封轴承 to protect against water damage.

洗衣机使用密封轴承 密封轴承以防止水损坏。

3.The skateboard features sealed bearings 密封轴承 that allow for smoother rides and less maintenance.

滑板配备了密封轴承 密封轴承，使骑行更加顺畅，维护更少。

4.For high-speed applications, it's crucial to use sealed bearings 密封轴承 to reduce friction.

对于高速应用，使用密封轴承 密封轴承以减少摩擦至关重要。

5.When replacing the motor, ensure that it has a sealed bearing 密封轴承 for better durability.

更换电动机时，请确保它具有密封轴承 密封轴承以提高耐用性。

作文

In the world of machinery and engineering, components play a crucial role in ensuring smooth operations and longevity. One such essential component is the sealed bearing. A sealed bearing is a type of bearing that is designed to keep lubricant in and contaminants out. This is achieved through the use of seals that encase the bearing, preventing dirt, dust, and moisture from entering the internal parts. The design of a sealed bearing not only enhances its performance but also extends its lifespan, making it a preferred choice in various applications.The benefits of using a sealed bearing are numerous. Firstly, it significantly reduces maintenance requirements. Traditional bearings often require regular lubrication and cleaning, which can be time-consuming and costly. In contrast, a sealed bearing is pre-lubricated and sealed, allowing it to operate effectively for extended periods without the need for intervention. This is particularly advantageous in applications where accessibility is limited or where continuous operation is critical.Another advantage of sealed bearings is their ability to withstand harsh environments. Industries such as automotive, aerospace, and manufacturing often expose components to extreme conditions, including high temperatures, heavy loads, and corrosive substances. The robust design of a sealed bearing allows it to function reliably under such circumstances, thus ensuring the overall efficiency of the machinery.Moreover, a sealed bearing contributes to improved energy efficiency. By minimizing friction between moving parts, these bearings help reduce energy consumption. This is particularly important in today’s industrial landscape, where energy costs are a significant concern. Using sealed bearings can lead to lower operational costs and a smaller carbon footprint, aligning with global sustainability goals.In addition to their practical benefits, sealed bearings are also versatile in their applications. They can be found in a wide range of devices, from household appliances like washing machines and vacuum cleaners to industrial equipment such as conveyor systems and pumps. Their adaptability makes them an integral part of modern engineering solutions.However, it is essential to understand that while sealed bearings offer many advantages, they are not suitable for every application. For instance, in situations where heat dissipation is critical, the sealing may hinder the cooling process. Therefore, engineers must carefully consider the specific requirements of their projects when selecting the appropriate type of bearing.In conclusion, the sealed bearing stands out as a remarkable innovation in the field of mechanical engineering. Its ability to maintain lubrication, protect against contaminants, and operate efficiently in harsh conditions makes it an invaluable asset in various industries. As technology continues to advance, the development of even more specialized sealed bearings will likely emerge, further enhancing their role in modern machinery. Understanding the significance of sealed bearings can lead to better decision-making in engineering practices, ultimately contributing to improved performance and reliability in mechanical systems.

在机械和工程的世界中，组件在确保顺利操作和延长使用寿命方面发挥着至关重要的作用。其中一个重要的组件是密封轴承。密封轴承是一种设计用于保持润滑剂并防止污染物进入的轴承。这是通过使用密封件将轴承包围起来来实现的，从而防止灰尘、污垢和水分进入内部部件。密封轴承的设计不仅增强了其性能，还延长了其使用寿命，使其在各种应用中成为首选。使用密封轴承的好处是众多的。首先，它显著减少了维护需求。传统轴承通常需要定期润滑和清洁，这可能耗时且成本高昂。相比之下，密封轴承是预先润滑和密封的，允许它在没有干预的情况下有效运行较长时间。这在可达性有限或连续操作至关重要的应用中尤其有利。密封轴承的另一个优点是它们能够承受恶劣环境。汽车、航空航天和制造等行业通常会将组件暴露于极端条件下，包括高温、重负荷和腐蚀性物质。密封轴承的坚固设计使其能够在这种情况下可靠地运作，从而确保机械的整体效率。此外，密封轴承有助于提高能源效率。通过最小化运动部件之间的摩擦，这些轴承有助于减少能耗。这在当今工业环境中尤为重要，因为能源成本是一个重要问题。使用密封轴承可以降低运营成本并减少碳足迹，符合全球可持续发展目标。除了实用的好处外，密封轴承在应用上也很灵活。它们可以在广泛的设备中找到，从家用电器如洗衣机和吸尘器，到工业设备如输送系统和泵。它们的适应性使其成为现代工程解决方案中不可或缺的一部分。然而，必须理解的是，尽管密封轴承提供许多优势，但并不适合所有应用。例如，在热散发至关重要的情况下，密封可能会阻碍冷却过程。因此，工程师在选择适当类型的轴承时，必须仔细考虑项目的具体要求。总之，密封轴承作为机械工程领域的一项卓越创新脱颖而出。它保持润滑、保护免受污染物侵害以及在恶劣条件下高效运作的能力，使其在各种行业中成为宝贵的资产。随着技术的不断进步，可能会出现更多专业化的密封轴承，进一步增强它们在现代机械中的作用。了解密封轴承的重要性可以帮助工程实践中的更好决策，最终有助于提高机械系统的性能和可靠性。