pitch diameter

简明释义

节径中径齿轮节径

英英释义

例句

1.The pitch diameter of the gear is crucial for ensuring proper meshing with other gears.

齿轮的公称直径对确保与其他齿轮正确啮合至关重要。

2.The manufacturer specified the pitch diameter on the technical drawing for reference.

制造商在技术图纸上指定了公称直径以供参考。

3.To calculate the pitch diameter, you need to know the number of teeth and the module of the gear.

要计算公称直径，您需要知道齿轮的齿数和模数。

4.Adjusting the pitch diameter can help in fine-tuning the performance of the transmission system.

调整公称直径可以帮助微调传动系统的性能。

5.When designing a new gearbox, the pitch diameter should be carefully considered to avoid backlash.

在设计新齿轮箱时，必须仔细考虑公称直径以避免间隙。

作文

Understanding the concept of pitch diameter is crucial for anyone involved in mechanical engineering, manufacturing, or even basic machinery maintenance. The term pitch diameter refers to a specific measurement used primarily in the context of gears and screws. It is defined as the diameter of an imaginary circle that passes through the points where the teeth of the gear engage with one another. This imaginary circle is essential because it determines how well two gears will mesh together and how effectively they will transmit power from one to the other.In practical terms, the pitch diameter helps engineers and designers calculate the correct size and spacing of gear teeth. When designing a gear system, one must consider not only the pitch diameter but also the number of teeth on each gear, the pressure angle, and the type of material being used. All these factors contribute to the overall performance and efficiency of the gear system.For example, consider a simple gear train consisting of two gears. If the pitch diameter of the driving gear is not compatible with that of the driven gear, the teeth may not engage properly, leading to increased wear and potential failure. This is why understanding the pitch diameter is critical in ensuring that gears operate smoothly and efficiently.Moreover, the pitch diameter is not limited to just gears; it is also applicable in the context of screws and bolts. In this case, the pitch diameter refers to the diameter of the thread at its crest, which plays a significant role in determining the strength and load-bearing capacity of the screw or bolt. When selecting fasteners for a particular application, engineers must take into account the pitch diameter to ensure that the components can withstand the required loads without failure.In summary, the pitch diameter is a fundamental concept in mechanical engineering that affects the design and functionality of various mechanical components. Whether dealing with gears, screws, or other threaded fasteners, understanding the implications of pitch diameter is essential for creating effective and reliable systems. As technology continues to advance, the importance of precise measurements like pitch diameter will only grow, making it a vital topic for those pursuing careers in engineering and manufacturing. By mastering this concept, one can significantly improve their ability to design and maintain complex mechanical systems, ensuring optimal performance and longevity.

理解螺距直径的概念对于任何参与机械工程、制造或基本机械维护的人来说都是至关重要的。术语螺距直径主要用于齿轮和螺钉的上下文中，指的是一个虚构圆的直径，该圆通过齿轮相互啮合的点。这个虚构圆是至关重要的，因为它决定了两个齿轮如何良好地啮合，以及它们如何有效地将动力从一个传递到另一个。在实际应用中，螺距直径帮助工程师和设计师计算齿轮齿的正确大小和间距。在设计齿轮系统时，必须考虑的不仅是螺距直径，还有每个齿轮的齿数、压力角以及所使用材料的类型。这些因素共同影响齿轮系统的整体性能和效率。例如，考虑一个由两个齿轮组成的简单齿轮列。如果驱动齿轮的螺距直径与被驱动齿轮的不兼容，则齿可能无法正确啮合，从而导致磨损增加和潜在故障。这就是为什么理解螺距直径对于确保齿轮平稳高效运行至关重要。此外，螺距直径不仅限于齿轮；它在螺钉和螺栓的上下文中也适用。在这种情况下，螺距直径指的是螺纹顶端的直径，这在确定螺钉或螺栓的强度和承载能力方面起着重要作用。在为特定应用选择紧固件时，工程师必须考虑螺距直径，以确保组件能够承受所需的负荷而不发生故障。总之，螺距直径是机械工程中的一个基本概念，影响各种机械组件的设计和功能。无论是处理齿轮、螺钉还是其他螺纹紧固件，理解螺距直径的影响对于创建有效和可靠的系统至关重要。随着技术的不断进步，像螺距直径这样的精确测量的重要性只会增加，这使其成为那些追求工程和制造职业的人的一个重要课题。通过掌握这一概念，人们可以显著提高设计和维护复杂机械系统的能力，确保最佳性能和使用寿命。