shielded ball bearing

简明释义

带防护垫圈的滚珠轴承

英英释义

A shielded ball bearing is a type of bearing that has protective shields on one or both sides to prevent the entry of dirt, dust, and moisture, thereby enhancing its durability and performance.

带有防护罩的滚珠轴承是一种在一侧或两侧具有保护罩的轴承,旨在防止污垢、灰尘和湿气的进入,从而增强其耐用性和性能。

例句

1.The shielded ball bearing helps to keep the lubricant inside and prevents leakage.

防护球轴承有助于保持润滑剂在内部并防止泄漏。

2.Using a shielded ball bearing in the assembly can significantly lower maintenance costs.

在组装中使用防护球轴承可以显著降低维护成本。

3.The bicycle's wheels are equipped with shielded ball bearings to enhance durability.

自行车的轮子配备了防护球轴承以增强耐用性。

4.The motor runs smoothly thanks to the high-quality shielded ball bearing.

由于高质量的防护球轴承,电机运行平稳。

5.In our latest design, we opted for a shielded ball bearing to reduce dust contamination.

在我们最新的设计中,我们选择了防护球轴承以减少灰尘污染。

作文

In the world of machinery and engineering, the importance of precision components cannot be overstated. One such component that plays a critical role in ensuring smooth operation is the shielded ball bearing. A shielded ball bearing is designed to reduce friction between moving parts while also protecting the internal elements from dirt, dust, and other contaminants. This protection is crucial because it extends the lifespan of the bearing and enhances overall performance. Without the use of shielded ball bearings, machines would experience increased wear and tear, leading to frequent breakdowns and costly repairs.The construction of a shielded ball bearing typically includes an outer ring, an inner ring, balls, and a shield. The shields are usually made of metal or rubber and are placed on one or both sides of the bearing. This design allows for easy maintenance, as it minimizes the need for regular lubrication. In many applications, especially those exposed to harsh environments, the presence of a shield significantly reduces the risk of damage caused by external factors.For instance, in automotive applications, shielded ball bearings are commonly used in wheel hubs, transmissions, and various rotating assemblies. Their ability to withstand high speeds and heavy loads makes them ideal for such demanding environments. Furthermore, the shielding helps to keep lubricants in place, ensuring that the bearing operates smoothly over extended periods.In addition to automotive uses, shielded ball bearings are widely utilized in industrial machinery, robotics, and household appliances. From conveyor belts to electric motors, these bearings are integral to the functionality and efficiency of countless devices. Their versatility and reliability have made them a standard choice for engineers and designers across multiple industries.Moreover, the choice between shielded and sealed ball bearings often depends on the specific application. While both types provide protection against contaminants, sealed bearings offer a higher level of protection and are typically used in environments where exposure to moisture or debris is a concern. On the other hand, shielded ball bearings allow for easier inspection and maintenance, making them suitable for applications where routine checks are feasible.In conclusion, the shielded ball bearing is a vital component in modern machinery, contributing to efficiency, longevity, and performance. Its unique design not only facilitates smooth movement but also protects against environmental factors that could compromise its function. As technology continues to advance, the demand for high-quality bearings will only increase, highlighting the importance of understanding components like the shielded ball bearing in engineering and manufacturing. By choosing the right type of bearing for specific applications, engineers can ensure the reliability and success of their projects, ultimately leading to improved performance and reduced operational costs.

在机械和工程的世界中,精密组件的重要性不容忽视。其中一个在确保平稳操作中发挥关键作用的组件是带防护罩的滚珠轴承带防护罩的滚珠轴承旨在减少运动部件之间的摩擦,同时保护内部元件免受灰尘、污垢和其他污染物的侵害。这种保护至关重要,因为它延长了轴承的使用寿命并增强了整体性能。如果不使用带防护罩的滚珠轴承,机器将经历更大的磨损,导致频繁的故障和昂贵的维修。带防护罩的滚珠轴承的构造通常包括外环、内环、滚珠和防护罩。防护罩通常由金属或橡胶制成,放置在轴承的一个或两个侧面。这种设计便于维护,因为它最大限度地减少了定期润滑的需要。在许多应用中,特别是那些暴露在恶劣环境中的应用中,防护罩的存在显著降低了因外部因素造成的损坏风险。例如,在汽车应用中,带防护罩的滚珠轴承通常用于车轮轴承、变速器和各种旋转组件。它们能够承受高速和重负荷,使其非常适合这种苛刻的环境。此外,防护罩有助于保持润滑剂到位,确保轴承在较长时间内平稳运行。除了汽车用途外,带防护罩的滚珠轴承还广泛应用于工业机械、机器人和家用电器。从输送带到电动机,这些轴承是无数设备功能和效率的核心。它们的多功能性和可靠性使其成为各行业工程师和设计师的标准选择。此外,选择带防护罩的滚珠轴承和密封滚珠轴承之间的差异通常取决于具体应用。虽然这两种类型都提供对污染物的保护,但密封轴承提供更高的保护水平,通常用于暴露于潮湿或碎屑的环境中。另一方面,带防护罩的滚珠轴承允许更容易的检查和维护,适合那些可以进行例行检查的应用。总之,带防护罩的滚珠轴承是现代机械中的重要组件,有助于提高效率、延长使用寿命和提升性能。其独特的设计不仅促进了平稳的运动,还保护了可能损害其功能的环境因素。随着技术的不断进步,对高质量轴承的需求只会增加,突显了在工程和制造中理解像带防护罩的滚珠轴承这样的组件的重要性。通过为特定应用选择合适类型的轴承,工程师可以确保项目的可靠性和成功,从而最终提高性能和降低运营成本。

相关单词

shielded

shielded详解:怎么读、什么意思、用法

bearing

bearing详解:怎么读、什么意思、用法