roller bearing

简明释义

圆柱滚子轴承

英英释义

例句

1.The efficiency of the machine increased significantly after replacing the old roller bearing (滚子轴承) with a new one.

更换旧的roller bearing（滚子轴承）后，机器的效率显著提高。

2.The design of the roller bearing (滚子轴承) allows it to handle heavy loads efficiently.

该roller bearing（滚子轴承）的设计使其能够有效承受重载。

3.In high-speed applications, using a roller bearing (滚子轴承) can reduce friction and wear.

在高速应用中，使用roller bearing（滚子轴承）可以减少摩擦和磨损。

4.Proper lubrication is essential for the longevity of a roller bearing (滚子轴承).

适当的润滑对roller bearing（滚子轴承）的使用寿命至关重要。

5.The roller bearing (滚子轴承) in the conveyor system was replaced to ensure smooth operation.

输送系统中的roller bearing（滚子轴承）被更换，以确保平稳运行。

作文

In the world of mechanical engineering, various components play crucial roles in ensuring the smooth operation of machines. One such essential component is the roller bearing, which significantly contributes to reducing friction between moving parts. A roller bearing is a type of bearing that uses cylindrical rollers to maintain the separation between the moving parts of a machine. Unlike traditional ball bearings, which use spherical balls, roller bearings provide a larger contact area, allowing them to support heavier loads and operate at higher speeds.The design of roller bearings allows them to handle both radial and axial loads, making them versatile for various applications. For instance, they are commonly used in automotive engines, where they help reduce friction between the crankshaft and connecting rods. This reduction in friction not only improves the efficiency of the engine but also prolongs its lifespan.Another significant advantage of roller bearings is their ability to accommodate misalignment. In many industrial applications, components may not always be perfectly aligned due to manufacturing tolerances or operational wear. Roller bearings can tolerate some degree of misalignment, which helps prevent premature failure of the machinery.Moreover, roller bearings come in various designs, including tapered, cylindrical, and spherical types, each suited for specific load conditions and operational requirements. Tapered roller bearings, for example, are ideal for applications where both radial and axial loads are present, such as in wheel hubs and transmission systems.The manufacturing process of roller bearings involves precision engineering to ensure that the rollers are uniform in size and shape, which is critical for their performance. High-quality materials, such as chrome steel or ceramic, are often used to enhance durability and resistance to wear.In recent years, advancements in technology have led to the development of hybrid roller bearings that combine ceramic and steel materials. These hybrid bearings offer improved performance characteristics, such as reduced weight, lower friction, and enhanced resistance to corrosion and high temperatures.The use of roller bearings extends beyond automotive and industrial applications. They are also utilized in household appliances, such as washing machines and refrigerators, where smooth and quiet operation is essential. In the aerospace industry, roller bearings are critical components in aircraft engines, ensuring reliability and safety during flight.In conclusion, roller bearings are indispensable components in modern machinery, providing numerous benefits such as reduced friction, increased load capacity, and improved alignment tolerance. Their versatility and efficiency make them a preferred choice in various industries, from automotive to aerospace. As technology continues to evolve, we can expect further innovations in roller bearing design and materials, enhancing their performance and expanding their applications even more.

在机械工程的世界中，各种组件在确保机器平稳运行方面发挥着至关重要的作用。其中一个重要的组件是滚子轴承，它显著有助于减少运动部件之间的摩擦。滚子轴承是一种使用圆柱形滚子来保持机器运动部件之间间隔的轴承类型。与传统的球轴承不同，后者使用球形钢珠，滚子轴承提供了更大的接触面积，使其能够支持更重的负载并以更高的速度运行。滚子轴承的设计使其能够处理径向和轴向负载，这使其在各种应用中都很通用。例如，它们通常用于汽车发动机中，帮助减少曲轴和连杆之间的摩擦。这种摩擦的减少不仅提高了发动机的效率，还延长了其使用寿命。滚子轴承的另一个显著优势是其能够适应不对中。在许多工业应用中，由于制造公差或操作磨损，组件可能并不总是完美对齐。滚子轴承可以容忍一定程度的不对中，这有助于防止机器的提前故障。此外，滚子轴承有多种设计，包括锥形、圆柱形和球形类型，每种类型都适合特定的载荷条件和操作要求。例如，锥形滚子轴承非常适合同时存在径向和轴向负载的应用，如车轮轴承和传动系统。滚子轴承的制造过程涉及精密工程，以确保滚子的大小和形状均匀，这是其性能的关键。高质量的材料，如铬钢或陶瓷，常用于增强耐用性和耐磨性。近年来，技术的进步导致了混合滚子轴承的发展，这种轴承结合了陶瓷和钢材。混合轴承提供了更好的性能特性，例如减轻重量、降低摩擦以及增强耐腐蚀性和高温性能。滚子轴承的使用超出了汽车和工业应用。它们还用于家用电器，如洗衣机和冰箱，在这些设备中，平稳和安静的操作至关重要。在航空航天工业中，滚子轴承是飞机发动机中的关键组件，确保飞行过程中的可靠性和安全性。总之，滚子轴承是现代机器中不可或缺的组件，提供了诸多好处，如减少摩擦、增加负载能力和改善对中容忍度。它们的多功能性和效率使其成为各个行业的首选，从汽车到航空航天。随着技术的不断发展，我们可以期待在滚子轴承的设计和材料上有进一步的创新，提高其性能并进一步扩展其应用。