nominal diameter

简明释义

公称直径

英英释义

例句

1.When selecting fittings, make sure they match the nominal diameter of the pipes.

选择配件时，请确保它们与管道的名义直径匹配。

2.For irrigation systems, it is crucial to know the nominal diameter of the hoses to ensure compatibility.

对于灌溉系统，了解软管的名义直径以确保兼容性至关重要。

3.The pipe has a nominal diameter of 50 mm, which is commonly used for water supply.

这根管道的名义直径为50毫米，通常用于供水。

4.The nominal diameter of a bolt refers to its size before any tolerance is applied.

螺栓的名义直径是指在应用任何公差之前的尺寸。

5.In HVAC systems, ducts are often rated by their nominal diameter to ensure proper airflow.

在暖通空调系统中，风管通常按其名义直径进行评级，以确保适当的气流。

作文

In engineering and manufacturing, precise measurements are crucial for ensuring that components fit together correctly. One term that often arises in these contexts is nominal diameter, which refers to the approximate or standard measurement of a pipe, tube, or other cylindrical object. It is important to note that the nominal diameter does not represent the actual physical dimension of the item but rather serves as a reference point for categorization and specification.The concept of nominal diameter is particularly significant in plumbing and piping systems. For instance, when selecting pipes for a water supply system, engineers will refer to the nominal diameter to ensure compatibility with fittings and fixtures. This is because the nominal diameter provides a standardized way of describing the size of pipes, making it easier for professionals to communicate and collaborate.However, the actual diameter of a pipe can vary due to manufacturing tolerances and the material used. For example, a pipe labeled with a nominal diameter of 2 inches may have an actual outer diameter that is slightly larger or smaller than 2 inches. This discrepancy is essential for engineers and contractors to understand, as it can affect the flow rate, pressure, and overall performance of the system.Moreover, the use of nominal diameter helps simplify the design process. When engineers design a system, they can use the nominal diameter to quickly identify the appropriate size of components needed without having to measure each part individually. This efficiency is especially beneficial in large projects where time and accuracy are paramount.In addition to plumbing, the term nominal diameter is also applicable in various fields, including mechanical engineering and construction. For instance, in mechanical applications, bearings and shafts may also be specified using their nominal diameter. This allows for easier interchangeability of parts and reduces the likelihood of errors during assembly.Understanding the implications of nominal diameter is vital for professionals in technical fields. Misinterpretation of this term can lead to significant issues, such as improper fitting of components, which can ultimately result in system failures or inefficiencies. Therefore, it is crucial for engineers, architects, and construction workers to have a clear grasp of what nominal diameter means and how it applies to their work.In conclusion, the term nominal diameter plays a pivotal role in various engineering disciplines. It serves as a convenient reference for sizing components and facilitates effective communication among professionals. By understanding the distinction between nominal diameter and actual measurements, individuals in the field can ensure that their projects are executed smoothly and efficiently. As technology continues to advance, maintaining clarity around terms like nominal diameter will be essential for the ongoing success of engineering and manufacturing industries.

在工程和制造中，精确的测量对于确保组件正确配合至关重要。一个常常出现的术语是名义直径，它指的是管道、管子或其他圆柱形物体的近似或标准测量。需要注意的是，名义直径并不代表物品的实际物理尺寸，而是作为分类和规格的参考点。名义直径的概念在管道和供水系统中尤其重要。例如，在选择供水系统的管道时，工程师会参考名义直径以确保与配件和装置的兼容性。这是因为名义直径提供了一种标准化的方式来描述管道的大小，使专业人士之间的沟通与合作变得更加容易。然而，管道的实际直径可能因制造公差和所用材料而有所不同。例如，标示为2英寸的管道，其实际外径可能略大于或小于2英寸。这种差异对于工程师和承包商来说至关重要，因为它会影响流速、压力和系统的整体性能。此外，使用名义直径有助于简化设计过程。当工程师设计一个系统时，他们可以使用名义直径快速识别所需组件的适当尺寸，而无需逐个测量每个部件。这种效率在大型项目中尤为重要，因为时间和准确性至关重要。除了管道，名义直径一词在机械工程和建筑等多个领域也适用。例如，在机械应用中，轴承和轴也可能使用其名义直径进行规格说明。这使得部件的互换性更强，并减少了组装过程中出错的可能性。理解名义直径的含义对技术领域的专业人员至关重要。对这个术语的误解可能导致重大问题，例如组件的不当配合，这最终可能导致系统故障或效率低下。因此，工程师、建筑师和建筑工人必须清楚地理解名义直径的含义及其在工作中的应用。总之，名义直径这一术语在各个工程学科中发挥着关键作用。它作为组件尺寸的便利参考，促进了专业人士之间的有效沟通。通过理解名义直径与实际测量之间的区别，行业内的个人可以确保他们的项目顺利高效地执行。随着技术的不断进步，围绕名义直径等术语保持清晰将对工程和制造行业的持续成功至关重要。