crank shaft

简明释义

曲轴

英英释义

例句

1.A damaged crank shaft can lead to severe engine problems.

损坏的曲轴可能导致严重的发动机问题。

2.The crank shaft is a critical component in converting linear motion into rotational motion.

曲轴是将线性运动转换为旋转运动的关键部件。

3.During the assembly, ensure that the crank shaft is properly aligned.

在组装过程中，确保曲轴正确对齐。

4.The mechanic inspected the crank shaft for any signs of wear and tear.

机械师检查了曲轴是否有磨损的迹象。

5.He replaced the old crank shaft with a new one to improve performance.

他用新的曲轴替换了旧的，以提高性能。

作文

The internal combustion engine is a marvel of engineering that has transformed the way we travel and transport goods. One of its most critical components is the crank shaft, which plays a vital role in converting the linear motion of the pistons into rotational motion. This transformation is essential for the engine to function effectively, as it allows the vehicle to move forward. The crank shaft is usually made of high-strength steel or iron, designed to withstand the immense forces generated during combustion. When an engine operates, fuel ignites in the cylinders, pushing the pistons down. This downward motion creates a force that needs to be converted into a circular motion to turn the wheels of the vehicle. Here is where the genius of the crank shaft comes into play. The crank shaft is connected to the pistons through connecting rods, and as the pistons move up and down, they rotate the crank shaft. This rotation is then transmitted to the transmission system, which ultimately drives the wheels. The design of the crank shaft is intricate, often featuring counterweights to balance the engine's motion. This balancing act is crucial because any imbalance can lead to vibrations, which can cause wear and tear on the engine components. Engineers spend considerable time optimizing the crank shaft design to ensure smooth operation, longevity, and efficiency. In addition to its mechanical functions, the crank shaft also plays a role in the overall performance of the engine. A well-designed crank shaft can enhance the engine's power output and efficiency, contributing to better fuel economy and reduced emissions. As automotive technology advances, manufacturers are exploring new materials and designs for the crank shaft to improve performance and reduce weight. Maintenance of the crank shaft is also important for the longevity of the engine. Regular oil changes and inspections can help prevent damage caused by friction and heat. If a crank shaft fails, it can lead to catastrophic engine failure, resulting in costly repairs. Therefore, understanding the role of the crank shaft and ensuring it is in good condition is essential for any vehicle owner. In conclusion, the crank shaft is not just a simple rod in an engine; it is a critical component that enables the transformation of energy, powering our vehicles and facilitating modern transportation. Its design, function, and maintenance are fundamental to the performance and reliability of internal combustion engines. As we move towards more sustainable energy solutions, the principles behind the crank shaft will continue to influence engine design and automotive engineering for years to come.

内燃机是一项工程奇迹，改变了我们的旅行和运输货物的方式。它最关键的组成部分之一是曲轴，它在将活塞的线性运动转化为旋转运动中发挥着至关重要的作用。这种转化对于发动机的有效运作至关重要，因为它使车辆能够向前移动。曲轴通常由高强度钢或铁制成，设计用于承受在燃烧过程中产生的巨大力量。当发动机运转时，燃料在气缸中点燃，推动活塞向下。这种向下的运动产生了一种需要转化为圆周运动的力量，以便驱动车辆的轮子。这就是曲轴的聪明之处。曲轴通过连杆与活塞相连，当活塞上下移动时，它们旋转曲轴。这种旋转然后传递到变速系统，最终驱动轮子。曲轴的设计复杂，通常具有平衡块，以平衡发动机的运动。这种平衡行为至关重要，因为任何不平衡都可能导致振动，从而对发动机组件造成磨损。工程师花费大量时间优化曲轴的设计，以确保平稳运行、耐用性和效率。除了机械功能外，曲轴还在发动机的整体性能中发挥作用。设计良好的曲轴可以增强发动机的功率输出和效率，有助于改善燃油经济性并减少排放。随着汽车技术的进步，制造商正在探索新的材料和设计，以改善曲轴的性能并减少重量。曲轴的维护对于发动机的长寿也很重要。定期更换机油和检查可以帮助防止因摩擦和热量造成的损坏。如果曲轴发生故障，可能导致灾难性的发动机故障，导致昂贵的维修。因此，了解曲轴的作用并确保其处于良好状态对于任何车辆所有者都是至关重要的。总之，曲轴不仅仅是发动机中的一根简单杆；它是一个关键组件，使能量转化成为可能，为我们的车辆提供动力，促进现代交通。它的设计、功能和维护是内燃机性能和可靠性的基础。随着我们朝着更可持续的能源解决方案迈进，曲轴背后的原理将继续影响未来数年的发动机设计和汽车工程。