gear wheel

简明释义

大齿轮

英英释义

例句

1.In a clock, the gear wheel helps to keep accurate time.

在钟表中，齿轮有助于保持准确的时间。

2.The bicycle's speed is controlled by the size of the gear wheel.

自行车的速度由齿轮的大小控制。

3.A rusty gear wheel can cause the machine to malfunction.

生锈的齿轮可能导致机器故障。

4.The mechanic replaced the broken gear wheel with a new one.

机械师用一个新的齿轮替换了坏掉的。

5.He adjusted the tension on the gear wheel to improve performance.

他调整了齿轮的张力以提高性能。

作文

The mechanism of a machine is often complex, yet it can be broken down into simpler components that work together to achieve a common goal. One of the most vital components in many machines is the gear wheel, which plays a crucial role in the transmission of power and motion. Understanding how a gear wheel works can provide insights into the principles of mechanics and engineering. A gear wheel is essentially a circular object with teeth around its edge, designed to engage with another gear wheel. When one gear wheel rotates, its teeth mesh with those of another gear wheel, causing the second gear wheel to turn as well. This interaction allows for the transfer of rotational motion and torque between different parts of a machine. The size and number of teeth on each gear wheel determine the speed and force of the output. For instance, if a smaller gear wheel drives a larger one, the larger gear wheel will rotate more slowly but with greater force. This principle is fundamental in applications ranging from simple toys to complex automotive engines. In daily life, we encounter gear wheels in various devices, such as bicycles, clocks, and even household appliances. In a bicycle, the gear wheels allow the rider to adjust the difficulty of pedaling, making it easier to climb hills or maintain speed on flat surfaces. In clocks, gear wheels work together to keep accurate time by regulating the movement of the clock hands. These examples illustrate the versatility and importance of gear wheels in mechanical systems. Moreover, the design and material of a gear wheel can significantly impact its performance and longevity. Engineers must consider factors such as load capacity, friction, and wear when selecting materials for gear wheels. Common materials include metals like steel and aluminum, as well as plastics for lighter applications. The manufacturing process also plays a role; precision machining ensures that the teeth of the gear wheel are shaped accurately to minimize slippage and maximize efficiency. In conclusion, the gear wheel is a fundamental component in many mechanical systems, essential for the transfer of motion and energy. Its design and functionality demonstrate the intricate relationships between various parts of a machine. By studying gear wheels, we gain a deeper appreciation for the engineering principles that underpin the technology we use every day. Whether it's powering a vehicle or keeping time, gear wheels are indispensable elements that make modern machinery possible.

机械的机制往往是复杂的，但它可以被分解为更简单的组件，这些组件共同工作以实现共同的目标。在许多机器中，最重要的组件之一就是齿轮，它在动力和运动的传递中发挥着至关重要的作用。理解齿轮的工作原理可以提供对机械和工程原理的深入理解。 齿轮本质上是一个圆形物体，其边缘有齿，旨在与另一个齿轮啮合。当一个齿轮旋转时，它的齿与另一个齿轮的齿相互啮合，导致第二个齿轮也转动。这种相互作用允许机器不同部分之间传递旋转运动和扭矩。每个齿轮的大小和齿数决定了输出的速度和力量。例如，如果一个较小的齿轮驱动一个较大的齿轮，那么较大的齿轮将以较慢的速度旋转，但具有更大的力量。这个原理在从简单玩具到复杂汽车发动机的应用中都是基本的。 在日常生活中，我们在各种设备中遇到齿轮，例如自行车、钟表甚至家用电器。在自行车中，齿轮使骑行者能够调整踏板的难度，使爬坡变得更容易或在平坦的地面上保持速度。在钟表中，齿轮协同工作，通过调节时针和分针的运动来保持准确的时间。这些例子说明了齿轮在机械系统中的多样性和重要性。 此外，齿轮的设计和材料可以显著影响其性能和耐用性。工程师在选择齿轮材料时必须考虑负载能力、摩擦和磨损等因素。常见的材料包括钢和铝等金属，以及用于轻型应用的塑料。制造过程也起着作用；精密加工确保齿轮的齿形状准确，以最小化滑动并最大化效率。 总之，齿轮是许多机械系统中的基本组件，对于运动和能量的传递至关重要。它的设计和功能展示了机器各个部分之间错综复杂的关系。通过研究齿轮，我们对支撑我们每天使用的技术的工程原理有了更深的理解。无论是为车辆提供动力还是保持时间，齿轮都是使现代机械成为可能的不可或缺的元素。