system of fits and tolerances

简明释义

公差与配合制

英英释义

例句

1.Understanding the system of fits and tolerances is essential for quality control inspectors.

理解配合与公差系统对质量控制检查员至关重要。

2.The new project requires a more advanced system of fits and tolerances to enhance product reliability.

新项目需要更先进的配合与公差系统以提高产品可靠性。

3.In manufacturing, a precise system of fits and tolerances is crucial to avoid errors during production.

在制造过程中，精确的配合与公差系统对于避免生产错误至关重要。

4.The system of fits and tolerances allows designers to create parts that fit together seamlessly.

该配合与公差系统允许设计师创建无缝配合的零件。

5.The engineer explained the importance of the system of fits and tolerances in ensuring proper assembly of the components.

工程师解释了配合与公差系统在确保组件正确组装中的重要性。

作文

In the world of engineering and manufacturing, precision is paramount. One of the critical concepts that engineers must understand is the system of fits and tolerances. This system plays a vital role in ensuring that parts fit together correctly, function properly, and meet the required specifications. The system of fits and tolerances refers to the allowable limits of variation in dimensions and the relationship between different parts of a mechanical assembly. It is essential for achieving the desired performance and reliability of the final product.To grasp the importance of the system of fits and tolerances, one must first understand what fits and tolerances mean. 'Fits' refer to the degree of tightness or looseness between two mating parts. For instance, when designing a shaft that fits into a hole, engineers must specify whether they want a tight fit (interference fit), a loose fit (clearance fit), or a transition fit that falls somewhere in between. Each type of fit has its specific applications and implications for the assembly process.On the other hand, 'tolerances' are the permissible limits of variation in a physical dimension. They define how much a particular measurement can deviate from the nominal value without affecting the functionality of the part. Tolerances are crucial because they account for manufacturing processes that can introduce variations. By specifying tolerances, engineers can ensure that even if there are slight differences in dimensions due to manufacturing imperfections, the parts will still assemble correctly.The system of fits and tolerances is typically represented using a combination of letters and numbers, which indicate the type of fit and the specific tolerances applied. For example, in a standard system, a designation like H7/g6 might be used to describe a hole and shaft fit, where 'H' indicates the hole's tolerance grade, '7' specifies the tolerance value, and 'g' represents the shaft's tolerance grade with '6' as its value. This coding system allows engineers to communicate complex dimensional requirements clearly and efficiently.Moreover, the system of fits and tolerances is not only significant for mechanical assemblies but also impacts the cost and efficiency of production. By optimizing fits and tolerances, manufacturers can reduce waste and improve the overall quality of their products. For instance, overly tight tolerances can lead to increased manufacturing costs and longer production times, while excessively loose tolerances may result in poor performance and reliability issues.In conclusion, the system of fits and tolerances is a fundamental aspect of engineering design and manufacturing. It ensures that parts fit together correctly, function as intended, and meet quality standards. Understanding this system enables engineers to design more efficient and reliable products while minimizing production costs. As technology advances and industries evolve, the principles of fits and tolerances will continue to play a critical role in the success of engineering projects across various fields.

在工程和制造的世界中，精确性至关重要。工程师必须理解的一个关键概念是配合和公差系统。这个系统在确保零件正确配合、正常运作并满足所需规格方面起着至关重要的作用。配合和公差系统指的是尺寸变化的允许范围以及机械装配中不同零件之间的关系。它对于实现最终产品的期望性能和可靠性至关重要。要掌握配合和公差系统的重要性，首先必须理解配合和公差的含义。“配合”指的是两个配合零件之间的紧密程度或松动程度。例如，在设计一个适合孔的轴时，工程师必须指定他们希望是紧配合（干涉配合）、松配合（间隙配合）还是介于两者之间的过渡配合。每种类型的配合都有其特定的应用和对装配过程的影响。另一方面，“公差”是物理尺寸的允许变化限度。它们定义了某一特定测量值可以偏离标称值的多少，而不影响零件的功能。公差至关重要，因为它们考虑了可能引入变化的制造过程。通过指定公差，工程师可以确保即使由于制造缺陷而存在轻微的尺寸差异，零件仍然能够正确装配。配合和公差系统通常使用字母和数字的组合来表示，这些组合指示了配合类型和适用的特定公差。例如，在标准系统中，像H7/g6这样的标识可能用于描述孔和轴的配合，其中'H'表示孔的公差等级，'7'指定公差值，而'g'表示轴的公差等级，'6'是其值。这个编码系统使工程师能够清晰高效地传达复杂的尺寸要求。此外，配合和公差系统不仅对机械装配重要，还影响生产的成本和效率。通过优化配合和公差，制造商可以减少浪费，提高产品的整体质量。例如，过于严格的公差可能导致制造成本增加和生产时间延长，而过于宽松的公差可能导致性能差和可靠性问题。总之，配合和公差系统是工程设计和制造的基本方面。它确保零件正确配合、按预期功能运行，并满足质量标准。理解这个系统使工程师能够设计出更高效、更可靠的产品，同时降低生产成本。随着技术的进步和行业的发展，配合和公差的原则将继续在各个领域的工程项目成功中发挥关键作用。