crank journal

简明释义

曲柄销颈

英英释义

例句

1.A damaged crank journal can lead to severe engine failure if not addressed promptly.

如果不及时处理，损坏的曲轴轴颈可能导致严重的发动机故障。

2.He measured the diameter of the crank journal to ensure it met the manufacturer's specifications.

他测量了曲轴轴颈的直径，以确保符合制造商的规格。

3.The technician recommended replacing the crank journal due to excessive scoring.

技术人员建议更换曲轴轴颈，因为划痕过多。

4.The mechanic inspected the crank journal for wear and tear before reassembling the engine.

在重新组装发动机之前，机械师检查了曲轴轴颈的磨损情况。

5.After polishing the crank journal, the engine ran much smoother.

抛光后的曲轴轴颈使得发动机运行更加平稳。

作文

The crankshaft is a critical component in many engines, and one of its essential parts is the crank journal. The crank journal is the section of the crankshaft that rotates within the engine block and is responsible for converting linear motion into rotational motion. This transformation is vital because it allows the engine’s pistons to move up and down, which in turn powers the vehicle. Understanding the function and importance of the crank journal can help us appreciate the intricate design of modern engines and the engineering marvels behind them.When we look at an engine, we often focus on the more visible components such as the pistons and cylinders. However, the crank journal plays a crucial role that is often overlooked. It is designed to withstand immense forces and friction generated during the engine’s operation. The durability of the crank journal is paramount; if it fails, it can lead to catastrophic engine failure. Therefore, engineers pay close attention to the materials used for the crank journal and the manufacturing processes involved in creating this vital part.In terms of maintenance, the crank journal must be regularly inspected for wear and tear. Over time, the constant movement and friction can cause the surface of the crank journal to degrade. If not addressed, this degradation can lead to increased oil consumption and decreased engine performance. Mechanics often use specialized tools to measure the diameter and surface finish of the crank journal to ensure that it remains within acceptable limits.Furthermore, the design of the crank journal has evolved significantly over the years. Earlier engines featured simpler designs, but modern engines incorporate advanced technologies such as computer-aided design (CAD) and finite element analysis (FEA) to optimize the shape and size of the crank journal. These advancements allow for better performance and efficiency, contributing to the overall effectiveness of the engine.In conclusion, while the crank journal may not be the most glamorous part of an engine, its importance cannot be overstated. It serves as the backbone of the crankshaft, facilitating the conversion of energy that powers our vehicles. By understanding the role of the crank journal, we gain a deeper appreciation for the complexities of engine design and the engineering expertise that goes into creating reliable and efficient machines. As we continue to innovate and improve engine technology, the crank journal will remain a pivotal element in the quest for performance and sustainability in automotive engineering.

曲轴是许多发动机中的关键部件，而其重要部分之一就是曲柄轴颈。曲柄轴颈是曲轴的部分，它在发动机缸体内旋转，负责将线性运动转换为旋转运动。这种转化至关重要，因为它使发动机的活塞上下移动，从而驱动车辆。理解曲柄轴颈的功能和重要性可以帮助我们欣赏现代发动机的复杂设计以及其背后的工程奇迹。当我们观察一台发动机时，通常会关注更明显的组件，如活塞和气缸。然而，曲柄轴颈扮演着一个常常被忽视的重要角色。它被设计成承受在发动机运行过程中产生的巨大力量和摩擦。曲柄轴颈的耐用性至关重要；如果它失效，可能导致严重的发动机故障。因此，工程师在制造曲柄轴颈时非常关注所用材料和制造工艺。在维护方面，曲柄轴颈必须定期检查磨损情况。随着时间的推移，持续的运动和摩擦可能导致曲柄轴颈表面退化。如果不加以解决，这种退化可能导致油耗增加和发动机性能下降。机械师通常使用专业工具来测量曲柄轴颈的直径和表面光洁度，以确保其保持在可接受的范围内。此外，曲柄轴颈的设计近年来有了显著的演变。早期的发动机采用较简单的设计，但现代发动机则结合了计算机辅助设计（CAD）和有限元分析（FEA）等先进技术，以优化曲柄轴颈的形状和尺寸。这些进步提高了性能和效率，有助于整体发动机的有效性。总之，虽然曲柄轴颈可能不是发动机中最引人注目的部分，但其重要性不容小觑。它作为曲轴的支柱，促进了能量的转化，驱动我们的车辆。通过了解曲柄轴颈的作用，我们对发动机设计的复杂性以及制造可靠高效机器所需的工程专业知识有了更深刻的认识。随着我们不断创新和改进发动机技术，曲柄轴颈将继续成为汽车工程中追求性能和可持续性的关键元素。