pitch circle

简明释义

分度圆

英英释义

例句

1.When designing a new pulley, engineers must calculate the pitch circle to ensure proper alignment.

在设计新的滑轮时，工程师必须计算节圆以确保正确对齐。

2.The diameter of the pitch circle is crucial for determining the gear ratio in mechanical systems.

在机械系统中，节圆直径对确定齿轮比至关重要。

3.In automotive engineering, the pitch circle of the wheels affects the vehicle's handling and performance.

在汽车工程中，车轮的节圆影响车辆的操控性和性能。

4.The pitch circle is often marked on technical drawings to guide manufacturers during production.

在技术图纸上，节圆通常被标记，以指导制造商在生产过程中。

5.To avoid excessive wear, it's important to maintain the correct distance between the pitch circles of meshing gears.

为了避免过度磨损，保持啮合齿轮的节圆之间的正确距离非常重要。

作文

In the realm of mechanical engineering, understanding the fundamental concepts that govern the design and function of machines is crucial. One such concept is the pitch circle, which plays a vital role in the functioning of gears and other rotating machinery. The pitch circle can be defined as an imaginary circle that passes through the points where the teeth of two gears effectively engage. This circle is essential for determining the size and spacing of the gear teeth, ensuring that they mesh correctly without excessive wear or failure. The importance of the pitch circle extends beyond mere engagement; it directly influences the overall efficiency of a gear system. When gears are designed with an appropriate pitch circle, they can transmit power smoothly and efficiently, minimizing energy loss due to friction and misalignment. Conversely, if the pitch circle is not calculated correctly, it can lead to increased wear on the gear teeth, noise during operation, and ultimately, mechanical failure. To illustrate the significance of the pitch circle, consider a simple example of a bicycle's gear system. The gears on a bicycle are designed to interact with each other at their respective pitch circles. If the pitch circle of one gear does not align properly with that of another, the bike may experience difficulties in shifting gears, leading to a less efficient ride. Hence, understanding the pitch circle is not only important for engineers but also for anyone involved in the maintenance and operation of mechanical systems. Moreover, the pitch circle is not limited to gears alone. It also applies to pulleys, sprockets, and other mechanical components that rely on rotational motion. In these cases, the pitch circle serves a similar purpose, ensuring that the components interact seamlessly. For instance, in a belt-driven system, the pitch circle of the pulley determines how well the belt fits onto the pulley, affecting the overall performance of the system. In conclusion, the pitch circle is a fundamental concept in mechanical design that warrants careful consideration. Its role in ensuring proper engagement between mechanical components cannot be overstated. By understanding the pitch circle and its implications, engineers can design more efficient and reliable machines. As technology continues to advance, the principles surrounding the pitch circle will remain relevant, serving as a cornerstone in the field of mechanical engineering.

在机械工程领域，理解和掌握支配机器设计和功能的基本概念至关重要。其中一个关键概念是节圆，它在齿轮和其他旋转机械的功能中发挥着重要作用。节圆可以定义为一条想象中的圆，穿过两个齿轮有效啮合的齿尖。这条圆对于确定齿轮齿的大小和间距至关重要，确保它们正确啮合而不会过度磨损或失效。

节圆的重要性不仅限于简单的啮合；它直接影响齿轮系统的整体效率。当齿轮以适当的节圆设计时，它们可以平稳高效地传递动力，最大限度地减少由于摩擦和错位造成的能量损失。相反，如果节圆计算不当，可能导致齿轮齿的磨损增加、运转时产生噪音，最终导致机械故障。

为了说明节圆的重要性，考虑一个简单的例子：自行车的齿轮系统。自行车上的齿轮设计为在各自的节圆上相互作用。如果一个齿轮的节圆与另一个齿轮的节圆没有正确对齐，自行车可能会在换挡时遇到困难，从而导致骑行效率降低。因此，理解节圆不仅对工程师重要，对任何参与机械系统维护和操作的人来说也同样重要。

此外，节圆并不限于齿轮。它还适用于滑轮、链轮和其他依赖于旋转运动的机械组件。在这些情况下，节圆起着类似的作用，确保组件之间的无缝互动。例如，在带驱动系统中，滑轮的节圆决定了带子如何恰好适合于滑轮，影响整个系统的性能。

总之，节圆是机械设计中的一个基本概念，值得仔细考虑。它在确保机械组件之间正确啮合方面的作用不容小觑。通过理解节圆及其影响，工程师可以设计出更高效、更可靠的机器。随着技术的不断进步，围绕节圆的原则将继续保持相关性，作为机械工程领域的基石。