crank shaft timing gear

简明释义

曲轴正时齿轮

英英释义

例句

1.The technician explained how the crank shaft timing gear works in conjunction with other engine components.

技术员解释了曲轴定时齿轮如何与其他发动机部件协同工作。

2.During the inspection, we found that the crank shaft timing gear was worn out and needed replacement.

在检查过程中，我们发现曲轴定时齿轮磨损严重，需要更换。

3.If the crank shaft timing gear is misaligned, it can cause serious engine damage.

如果曲轴定时齿轮未对齐，可能会导致严重的发动机损坏。

4.The mechanic replaced the broken crank shaft timing gear with a new one to ensure the engine runs smoothly.

机械师更换了损坏的曲轴定时齿轮，以确保发动机平稳运行。

5.Proper installation of the crank shaft timing gear is crucial for the vehicle's performance.

正确安装曲轴定时齿轮对车辆性能至关重要。

作文

The internal combustion engine is a marvel of engineering, consisting of numerous components that work together to convert fuel into motion. One of the critical elements in this intricate system is the crank shaft timing gear. This component plays a vital role in synchronizing the movement of the crankshaft with the camshaft, ensuring that the engine operates efficiently and effectively.To understand the importance of the crank shaft timing gear (曲轴定时齿轮), we must first look at the function of the crankshaft and the camshaft. The crankshaft is responsible for converting the linear motion of the pistons into rotational motion, which ultimately drives the vehicle's wheels. On the other hand, the camshaft controls the opening and closing of the engine's valves, allowing the intake of air and fuel and the expulsion of exhaust gases.The timing between these two components is crucial. If the crankshaft and camshaft are not properly synchronized, it can lead to significant engine problems, including misfires, reduced power output, and even catastrophic engine failure. This is where the crank shaft timing gear comes into play. It connects the crankshaft and camshaft, ensuring that they rotate in harmony.Typically, the crank shaft timing gear is part of a timing belt or chain system. In many modern engines, a timing belt is used, which is a flexible rubber belt with teeth that grip the gears. This system is designed to be durable and requires periodic replacement to maintain optimal performance. In some cases, a timing chain may be used, which is made of metal and tends to last longer than a belt. Regardless of the type used, the function remains the same: to keep the crankshaft and camshaft in sync.When an engine is running, the crank shaft timing gear (曲轴定时齿轮) ensures that the crankshaft makes two complete revolutions for every one revolution of the camshaft. This ratio is essential for the four-stroke cycle of the engine, which includes intake, compression, power, and exhaust strokes. If this timing is off, it can lead to severe issues such as valve collisions with pistons, resulting in expensive repairs.In addition to its mechanical role, the crank shaft timing gear can also affect the overall performance of the engine. A well-timed engine runs more smoothly, produces more power, and consumes fuel more efficiently. Conversely, if the timing is off, the engine may run roughly, have decreased fuel efficiency, and produce more emissions.Regular maintenance of the crank shaft timing gear is essential for any vehicle owner. Mechanics typically recommend inspecting the timing belt or chain during routine service intervals. Signs that the timing gear may need attention include unusual noises from the engine, difficulty starting, or a decrease in power. Addressing these issues promptly can prevent more severe problems down the line.In conclusion, the crank shaft timing gear (曲轴定时齿轮) is a small but mighty component of the internal combustion engine. Its role in synchronizing the crankshaft and camshaft is vital for the engine's performance, longevity, and efficiency. Understanding this component's function can help vehicle owners appreciate the complexity of their engines and the importance of regular maintenance. By keeping an eye on the timing system, drivers can ensure their vehicles run smoothly and reliably for years to come.

内燃机是一项工程的奇迹，由众多部件组成，这些部件共同工作将燃料转化为运动。在这个复杂系统中，crank shaft timing gear（曲轴定时齿轮）是一个关键要素。该组件在同步曲轴与凸轮轴的运动中发挥着至关重要的作用，确保发动机高效且有效地运行。要理解crank shaft timing gear（曲轴定时齿轮）的重要性，我们必须首先了解曲轴和凸轮轴的功能。曲轴负责将活塞的线性运动转化为旋转运动，最终驱动车辆的车轮。另一方面，凸轮轴控制发动机阀门的开启和关闭，允许空气和燃料的吸入以及废气的排出。这两个组件之间的时机至关重要。如果曲轴和凸轮轴没有正确同步，可能会导致严重的发动机问题，包括失火、功率输出减少，甚至灾难性的发动机故障。这就是crank shaft timing gear（曲轴定时齿轮）发挥作用的地方。它连接曲轴和凸轮轴，确保它们和谐旋转。通常，crank shaft timing gear是定时带或链条系统的一部分。在许多现代发动机中，使用的是定时带，它是一种带有齿的柔性橡胶带，可以紧握齿轮。该系统旨在耐用，并需要定期更换以保持最佳性能。在某些情况下，可能会使用定时链，它由金属制成，通常比带子寿命更长。无论使用哪种类型，其功能都是相同的：保持曲轴和凸轮轴的同步。当发动机运行时，crank shaft timing gear（曲轴定时齿轮）确保曲轴每两次完整转动时，凸轮轴转动一次。这一比例对发动机的四冲程循环至关重要，包括进气、压缩、动力和排气冲程。如果这个时机不对，可能会导致严重的问题，例如阀门与活塞碰撞，导致昂贵的维修。除了其机械作用外，crank shaft timing gear还可以影响发动机的整体性能。定时良好的发动机运行更加平稳，产生更多的动力，并更有效地消耗燃料。相反，如果定时不当，发动机可能运行粗糙，燃油效率降低，排放增加。定期维护crank shaft timing gear（曲轴定时齿轮）对任何车辆所有者都是必不可少的。机械师通常建议在例行服务间隔期间检查定时带或链。需要注意的迹象包括发动机发出异常噪音、启动困难或动力下降。及时处理这些问题可以防止后续出现更严重的问题。总之，crank shaft timing gear（曲轴定时齿轮）是内燃机中一个小但强大的组件。它在同步曲轴和凸轮轴方面的作用对于发动机的性能、耐用性和效率至关重要。理解这一组件的功能可以帮助车辆所有者欣赏其发动机的复杂性和定期维护的重要性。通过关注定时系统，驾驶员可以确保他们的车辆在未来几年内平稳可靠地运行。