close running fit

简明释义

紧动配合

英英释义

例句

1.A close running fit is often used in applications where high rotational speeds are involved.

在涉及高速旋转的应用中，通常使用紧密配合。

2.The assembly requires a close running fit to ensure smooth operation without excessive friction.

该组件需要紧密配合以确保平稳运行而不产生过多摩擦。

3.To maintain accuracy, the parts must have a close running fit during the assembly process.

为了保持准确性，部件在组装过程中必须具有紧密配合。

4.The engineer specified a close running fit for the shaft and bearing to minimize play.

工程师指定了一个紧密配合的轴和轴承以最小化间隙。

5.In precision machining, achieving a close running fit is essential for optimal performance.

在精密加工中，实现紧密配合对最佳性能至关重要。

作文

In the realm of engineering and manufacturing, precision is paramount. One of the critical concepts that engineers must understand is the fit between different components. Among various types of fits, a term that frequently arises is close running fit. A close running fit refers to a type of tolerance that allows for a small amount of clearance between two mating parts, ensuring that they can move relative to each other while still maintaining a snug fit. This type of fit is essential in applications where parts need to rotate or slide against one another without excessive play or friction.The significance of a close running fit can be observed in many everyday mechanical devices. For instance, consider the inner workings of a clock. The gears must mesh perfectly to ensure accurate timekeeping. If the fit between the gears is too loose, they may slip, causing the clock to lose time. Conversely, if the fit is too tight, it could lead to increased wear and tear, ultimately resulting in failure. Therefore, achieving a close running fit is crucial for the reliability and longevity of such mechanisms.Moreover, the application of a close running fit extends beyond just gears. In automotive engineering, for example, the relationship between the piston and the cylinder wall is a classic case where this fit is vital. A well-designed close running fit ensures that the piston can move freely within the cylinder while maintaining an effective seal to prevent the loss of compression. This balance is critical for engine performance, fuel efficiency, and overall vehicle reliability.To achieve a close running fit, engineers often rely on precise machining processes and quality control measures. The manufacturing process must be meticulously controlled to ensure that the dimensions of the components fall within the specified tolerances. Advanced technologies, such as computer numerical control (CNC) machining, have made it easier to achieve the high levels of precision required for a close running fit.Furthermore, the concept of a close running fit is not limited to mechanical systems; it also has implications in other fields, such as electronics. In the assembly of electronic components, a snug fit can prevent issues related to vibration and movement, which could compromise the integrity of solder joints and connections. Therefore, understanding how to implement a close running fit is essential for engineers across various disciplines.In conclusion, the term close running fit embodies a fundamental principle in engineering that highlights the importance of precision and functionality in mechanical design. By ensuring that components fit together with the right amount of clearance, engineers can create reliable and efficient systems that perform as intended. Whether in clocks, engines, or electronic devices, the relevance of a close running fit cannot be overstated, as it plays a pivotal role in the success of countless applications in our modern world.

在工程和制造领域，精确性至关重要。工程师必须理解的一个关键概念是不同组件之间的配合。在各种类型的配合中，一个经常出现的术语是紧配合。紧配合指的是一种公差类型，允许两个配合部件之间有少量间隙，从而确保它们可以相对移动，同时仍保持紧密的配合。这种类型的配合在需要部件相互旋转或滑动而不产生过多间隙或摩擦的应用中至关重要。紧配合的重要性可以在许多日常机械设备中观察到。例如，考虑一下钟表的内部工作。齿轮必须完美啮合，以确保准确计时。如果齿轮之间的配合过松，它们可能会打滑，导致钟表失去时间。相反，如果配合过紧，可能会导致磨损加剧，最终导致故障。因此，实现紧配合对这些机制的可靠性和耐用性至关重要。此外，紧配合的应用不仅限于齿轮。在汽车工程中，例如，活塞与气缸壁之间的关系就是一个经典案例，这种配合至关重要。良好设计的紧配合确保活塞能够在气缸内自由移动，同时保持有效的密封，以防止压缩泄漏。这种平衡对于发动机性能、燃油效率和整体车辆可靠性至关重要。为了实现紧配合，工程师通常依赖精确的机械加工过程和质量控制措施。制造过程必须严格控制，以确保组件的尺寸落在指定的公差范围内。先进的技术，如计算机数控（CNC）加工，使得实现紧配合所需的高精度水平变得更加容易。此外，紧配合的概念不仅限于机械系统；它在其他领域，如电子学中也具有重要意义。在电子组件的组装中，紧密的配合可以防止与振动和运动相关的问题，这可能会影响焊点和连接的完整性。因此，理解如何实施紧配合对于各个学科的工程师来说都是至关重要的。总之，术语紧配合体现了工程中的一个基本原则，突显了机械设计中精度和功能性的的重要性。通过确保组件以适当的间隙紧密配合，工程师可以创建可靠且高效的系统，使其按预期运行。无论是在钟表、发动机还是电子设备中，紧配合的相关性都不可低估，因为它在我们现代世界中无数应用的成功中发挥着关键作用。