dimensional deviation

简明释义

尺寸偏差

英英释义

例句

1.The engineer reported a dimensional deviation in the component, which means it did not meet the specified measurements.

工程师报告了一个尺寸偏差，这意味着该部件未达到规定的尺寸。

2.The dimensional deviation was within acceptable limits, so the part was approved for use.

该尺寸偏差在可接受范围内，因此该部件被批准使用。

3.During quality control, we discovered a dimensional deviation that could affect the product's performance.

在质量控制过程中，我们发现了一个尺寸偏差，这可能会影响产品的性能。

4.Manufacturers must monitor dimensional deviations to maintain high-quality standards.

制造商必须监控尺寸偏差以维持高质量标准。

5.To ensure safety, we need to address any dimensional deviation before the final assembly.

为了确保安全，我们需要在最终组装之前解决任何尺寸偏差。

作文

In the realm of manufacturing and engineering, precision is paramount. One of the critical concepts that engineers must understand is dimensional deviation, which refers to the difference between the actual dimensions of a product and its intended dimensions. This concept is essential for ensuring that parts fit together correctly and function as intended. When designing a component, engineers specify exact measurements. However, due to various factors such as material properties, machine tolerances, and environmental conditions, the finished product may not match these specifications perfectly. This discrepancy is what we refer to as dimensional deviation (尺寸偏差). Understanding dimensional deviation is crucial for quality control in manufacturing processes. For instance, if a part is designed to be 100mm in length but ends up being 98mm, this 2mm difference could lead to significant issues when the part is assembled with others. Such deviations can cause misalignments, improper functioning, and even safety hazards in some applications, especially in industries like aerospace or automotive where precision is critical. To manage dimensional deviation, manufacturers often implement strict quality assurance protocols. These may include regular inspections of parts during production, using precise measuring tools, and adhering to tight tolerances during the manufacturing process. Tolerances are the allowable limits of variation in a physical dimension; they are established based on the functional requirements of the final product. By setting appropriate tolerances, engineers can ensure that even if there is some dimensional deviation, the parts will still function correctly when assembled. Moreover, modern technology has greatly enhanced our ability to monitor and control dimensional deviation. Advanced manufacturing techniques, such as computer numerical control (CNC) machining and 3D printing, allow for greater precision and repeatability in producing parts. These technologies enable engineers to create complex geometries with minimal deviation from the desired dimensions. Additionally, software tools that simulate the manufacturing process can help identify potential deviations before production begins, thereby reducing waste and improving efficiency. It is also important to note that dimensional deviation is not always undesirable. In some cases, a slight deviation can be beneficial, allowing for easier assembly or compensating for thermal expansion in certain materials. Engineers must therefore consider the functional implications of any deviations and determine whether they fall within acceptable limits. In conclusion, dimensional deviation (尺寸偏差) is a fundamental concept in engineering and manufacturing that affects product quality and performance. By understanding and managing these deviations, engineers can ensure that their designs are realized accurately, leading to safer and more reliable products. As technology continues to advance, the methods for controlling and measuring dimensional deviation will only improve, paving the way for even greater levels of precision in manufacturing. Ultimately, the ability to minimize dimensional deviation will remain a key factor in the success of any engineering project.

在制造和工程领域，精度至关重要。工程师必须理解的一个关键概念是尺寸偏差，它指的是产品实际尺寸与其预期尺寸之间的差异。这个概念对于确保零件正确配合并按预期功能运行至关重要。当设计一个组件时，工程师会指定确切的测量值。然而，由于材料特性、机器公差和环境条件等各种因素，最终产品可能无法完美匹配这些规格。这种差异就是我们所说的尺寸偏差（dimensional deviation）。 理解尺寸偏差对于制造过程中的质量控制至关重要。例如，如果一个零件被设计为100mm长，但最终只有98mm，这个2mm的差异可能在零件与其他零件组装时导致重大问题。这种偏差可能造成错位、不当工作，甚至在某些情况下造成安全隐患，尤其是在航空航天或汽车等对精度要求极高的行业中。 为了管理尺寸偏差，制造商通常实施严格的质量保证协议。这些协议可能包括在生产过程中定期检查零件，使用精确的测量工具，并在制造过程中遵循严格的公差。公差是物理尺寸允许的变化范围；它们是根据最终产品的功能要求设定的。通过设定适当的公差，工程师可以确保即使存在一些尺寸偏差，零件在组装时仍能正常工作。 此外，现代技术大大增强了我们监测和控制尺寸偏差的能力。先进的制造技术，如计算机数控（CNC）加工和3D打印，使得在生产零件时能够实现更高的精度和重复性。这些技术使工程师能够以最小的偏差创建复杂的几何形状。此外，模拟制造过程的软件工具可以帮助在生产开始之前识别潜在的偏差，从而减少浪费，提高效率。 同样重要的是要注意，尺寸偏差并不总是不利的。在某些情况下，轻微的偏差可能是有益的，能够使组装更容易，或补偿某些材料的热膨胀。因此，工程师必须考虑任何偏差的功能影响，并确定它们是否在可接受的范围内。 总之，尺寸偏差（dimensional deviation）是工程和制造中的一个基本概念，影响着产品的质量和性能。通过理解和管理这些偏差，工程师可以确保他们的设计准确实现，从而导致更安全、更可靠的产品。随着技术的不断进步，控制和测量尺寸偏差的方法将不断改善，为制造业带来更高的精度。最终，最小化尺寸偏差的能力将始终是任何工程项目成功的关键因素。