crank case

简明释义

曲柄箱

英英释义

例句

1.The mechanic opened the engine to inspect the crank case.

机械师打开引擎检查曲轴箱。

2.Make sure to replace the oil in the crank case regularly.

确保定期更换曲轴箱中的油。

3.The crank case houses the crankshaft and connecting rods.

曲轴箱内包含曲轴和连杆。

4.A leak in the crank case can lead to serious engine problems.

在曲轴箱中的泄漏可能导致严重的引擎问题。

5.During the repair, we found cracks in the crank case.

在修理过程中，我们发现曲轴箱有裂缝。

作文

The engine is one of the most important components of any vehicle, and understanding its various parts is crucial for anyone interested in automotive mechanics. One such essential part is the crank case, which plays a vital role in the overall functioning of the engine. The crank case is essentially the housing for the crankshaft, which converts the linear motion of the pistons into rotational motion that ultimately drives the vehicle's wheels.To appreciate the significance of the crank case, it is important to first understand how an internal combustion engine operates. When fuel and air are mixed and ignited within the engine's cylinders, they create a series of explosions that push the pistons down. This downward movement is then transferred to the crankshaft, which is located within the crank case. The design of the crank case allows it to support the crankshaft while also providing a sealed environment that contains the engine oil necessary for lubrication.Moreover, the crank case serves multiple functions. It not only houses the crankshaft but also protects it from dirt and debris that could cause wear and tear. Additionally, the crank case helps maintain the proper temperature within the engine by allowing for the circulation of oil, which absorbs heat generated during the combustion process.When considering the maintenance of a vehicle, the condition of the crank case should not be overlooked. A damaged or cracked crank case can lead to oil leaks, which may result in insufficient lubrication for the engine components. This can ultimately cause catastrophic engine failure if not addressed promptly. Regular checks for any signs of damage or wear on the crank case can help prevent costly repairs down the line.In addition to its protective role, the crank case also contributes to the overall efficiency of the engine. A well-designed crank case minimizes friction between the moving parts, allowing for smoother operation and better fuel efficiency. Engineers continuously strive to improve the design of the crank case to enhance performance and durability, thus making it a focal point in automotive engineering.Furthermore, advancements in technology have led to the development of new materials and manufacturing techniques for crank cases. For instance, lightweight alloys and composites are increasingly being used to reduce the overall weight of the engine, which can significantly impact fuel efficiency and performance. These innovations highlight the importance of the crank case not only as a functional component but also as a key player in modern engineering practices.In conclusion, the crank case is a fundamental element of an internal combustion engine, serving both protective and functional roles. Its ability to house the crankshaft, maintain lubrication, and contribute to engine efficiency makes it indispensable in vehicle design and maintenance. Understanding the crank case and its significance is essential for anyone interested in automotive mechanics, as it provides insight into the complexities of engine operation and the importance of each component working together harmoniously. As technology continues to evolve, so too will the designs and materials used in crank cases, ensuring that they remain a critical aspect of automotive engineering for years to come.

发动机是任何车辆中最重要的组件之一，理解其各个部分对于任何对汽车机械感兴趣的人来说都至关重要。其中一个基本的部分就是曲轴箱，它在发动机的整体功能中起着至关重要的作用。曲轴箱本质上是曲轴的外壳，曲轴将活塞的线性运动转化为最终驱动车辆轮子的旋转运动。要欣赏曲轴箱的重要性，首先必须了解内燃机的工作原理。当燃料和空气混合并在发动机的气缸内点燃时，会产生一系列爆炸，推动活塞向下运动。这种向下的运动随后传递给位于曲轴箱内的曲轴。曲轴箱的设计使其能够支撑曲轴，同时提供一个密封环境，以容纳发动机油，确保润滑。此外，曲轴箱还具有多重功能。它不仅容纳曲轴，还保护曲轴免受可能导致磨损的污垢和碎片的侵害。此外，曲轴箱通过允许油的循环来帮助维持发动机内部的适当温度，油吸收了在燃烧过程中产生的热量。在考虑车辆维护时，曲轴箱的状态不应被忽视。损坏或开裂的曲轴箱可能导致油泄漏，这可能导致发动机部件润滑不足。如果不及时处理，这最终可能导致灾难性的发动机故障。定期检查曲轴箱是否有任何损坏或磨损的迹象，可以帮助防止后续昂贵的维修。除了其保护作用外，曲轴箱还对发动机的整体效率产生影响。设计良好的曲轴箱可以减少运动部件之间的摩擦，使操作更加顺畅，从而提高燃油效率。工程师们不断努力改善曲轴箱的设计，以增强性能和耐用性，因此它成为汽车工程中的一个重点。此外，技术的进步导致了新材料和制造技术的发展，用于制造曲轴箱。例如，轻质合金和复合材料越来越多地被用来减少发动机的整体重量，这可以显著影响燃油效率和性能。这些创新突出了曲轴箱的重要性，不仅作为功能组件，也是现代工程实践中的关键参与者。总之，曲轴箱是内燃机的基本元素，既具有保护作用，也具有功能作用。它能够容纳曲轴、维持润滑和提高发动机效率，使其在车辆设计和维护中不可或缺。理解曲轴箱及其重要性对于任何对汽车机械感兴趣的人来说都是必不可少的，因为这提供了对发动机运行复杂性的洞察，以及每个组件协同工作的重要性。随着技术的不断发展，曲轴箱的设计和材料也将不断演变，确保它们在未来几年仍然是汽车工程的关键方面。