sleeve bearing

简明释义

滑动轴承

英英释义

例句

1.When replacing parts, ensure that the sleeve bearing is properly lubricated.

更换部件时，请确保滑动轴承得到适当润滑。

2.A faulty sleeve bearing can lead to increased wear on the rotating components.

故障的滑动轴承可能导致旋转部件的磨损增加。

3.The motor is mounted on a frame that uses a sleeve bearing to reduce friction.

电动机安装在一个框架上，该框架使用滑动轴承来减少摩擦。

4.The sleeve bearing allows for smooth rotation of the shaft in the machinery.

该滑动轴承允许机器中轴的平滑旋转。

5.In many applications, a sleeve bearing is preferred for its simplicity and cost-effectiveness.

在许多应用中，滑动轴承因其简单性和经济性而受到青睐。

作文

In the world of mechanical engineering, various components play crucial roles in ensuring the smooth operation of machines. One such component is the sleeve bearing, which is widely used in a variety of applications due to its simplicity and effectiveness. A sleeve bearing (滑动轴承) is a type of bearing that consists of a cylindrical sleeve, which allows for the rotation or sliding of a shaft or other moving part within it. This design minimizes friction between the moving parts, thereby enhancing the efficiency and longevity of the machinery.The primary advantage of using a sleeve bearing is its ability to support heavy loads. Unlike ball bearings, which have point contact, a sleeve bearing provides a larger surface area for load distribution. This characteristic makes it particularly suitable for applications involving heavy machinery, such as motors, turbines, and conveyor systems. Additionally, sleeve bearings are often made from materials like bronze, plastic, or composite materials, which can withstand high temperatures and corrosive environments, thus extending their operational life.Another significant benefit of sleeve bearings is their low cost and ease of installation. Compared to other types of bearings, such as roller bearings, sleeve bearings do not require complex assembly or specialized tools for installation. This makes them an attractive option for manufacturers looking to reduce production costs while maintaining quality. Furthermore, maintenance for sleeve bearings is relatively straightforward; regular lubrication is typically sufficient to ensure their proper functioning.However, it is essential to consider some limitations of sleeve bearings. One notable drawback is that they generally have lower speed capabilities compared to other bearing types. This limitation arises from the fact that increased speed can lead to higher friction and heat generation, which may cause premature wear. Therefore, while sleeve bearings are excellent for low to moderate-speed applications, they may not be the best choice for high-speed machinery.In conclusion, the sleeve bearing (滑动轴承) is a vital component in many mechanical systems, offering numerous advantages such as load-bearing capacity, cost-effectiveness, and ease of maintenance. While they may have certain limitations regarding speed, their reliability and durability make them an indispensable choice for various industrial applications. As technology continues to evolve, the design and materials used for sleeve bearings are likely to improve, further enhancing their performance and expanding their usage across different sectors.