allowance for finish

简明释义

机械加工公差机械加工余量

英英释义

例句

1.The engineer specified an allowance for finish that accounts for the coating applied after machining.

工程师指定了一个表面处理的公差，考虑到加工后施加的涂层。

2.The contractor must consider the allowance for finish when preparing the final budget.

承包商在准备最终预算时必须考虑表面处理的公差。

3.For this installation, an allowance for finish is critical to achieve the desired aesthetic.

对于这个安装，表面处理的公差对于实现所需的美观至关重要。

4.In our project, we calculated the allowance for finish based on the material properties.

在我们的项目中，我们根据材料特性计算了表面处理的公差。

5.When designing the product, we need to include an allowance for finish to ensure a smooth surface.

在设计产品时，我们需要包括一个表面处理的公差以确保表面光滑。

作文

In the world of manufacturing and production, precision is key. Every product must meet specific standards to ensure quality and functionality. One important aspect of this process is the concept of an allowance for finish, which refers to the intentional adjustment made during the design phase to account for the final finishing processes that a product will undergo. This allowance is crucial because it ensures that the final dimensions of a product are within acceptable limits after all finishing operations, such as grinding, polishing, or coating, are completed.When engineers and designers create a product, they must consider various factors that can affect its final size and shape. For example, machining processes often remove material from the surface of a part, which can lead to dimensional changes. By incorporating an allowance for finish into their designs, they can compensate for these expected changes and ensure that the final product meets the required specifications.The allowance for finish is particularly important in industries where precision is critical, such as aerospace, automotive, and medical device manufacturing. In these fields, even the slightest deviation from the intended dimensions can result in catastrophic failures or safety hazards. Therefore, designers must carefully calculate the appropriate allowance for finish based on the specific finishing processes that will be used.Moreover, the allowance for finish can vary depending on the materials being used and the type of finish applied. For instance, different metals may respond differently to machining and finishing processes, leading to variations in how much material should be removed. Additionally, the complexity of the part's geometry can also influence the amount of allowance for finish needed. A simple part may require a smaller allowance, while a complex component with intricate features may necessitate a larger allowance to accommodate potential discrepancies.In practice, the allowance for finish is often specified in technical drawings and documentation. Engineers and machinists rely on these specifications to guide their work and ensure that the final product adheres to the desired tolerances. Failure to account for the allowance for finish can lead to costly rework, delays in production, and ultimately, dissatisfied customers.In conclusion, the concept of allowance for finish is an essential consideration in the design and manufacturing process. By understanding and applying this principle, engineers can create products that not only meet stringent quality standards but also perform reliably in their intended applications. As technology continues to advance and manufacturing processes become more sophisticated, the importance of accurately calculating the allowance for finish will only grow, highlighting the need for ongoing education and training in this vital area of engineering.Overall, the allowance for finish serves as a reminder of the intricate relationship between design, manufacturing, and quality assurance. It emphasizes the importance of foresight and planning in the production process, ultimately leading to better products and satisfied customers.

在制造和生产的世界中，精确性是关键。每个产品必须满足特定标准，以确保质量和功能。这一过程中的一个重要方面是允许加工余量的概念，它指的是在设计阶段进行的故意调整，以考虑产品将经历的最终表面处理过程。这种余量至关重要，因为它确保在所有表面处理操作（如磨削、抛光或涂层）完成后，产品的最终尺寸在可接受的范围内。当工程师和设计师创建产品时，他们必须考虑可能影响最终尺寸和形状的各种因素。例如，加工过程通常会从部件表面去除材料，这可能导致尺寸变化。通过在设计中纳入允许加工余量，他们可以补偿这些预期的变化，并确保最终产品符合所需规格。允许加工余量在航空航天、汽车和医疗器械制造等对精度要求严格的行业中特别重要。在这些领域，即使是最微小的尺寸偏差也可能导致灾难性故障或安全隐患。因此，设计师必须根据将要使用的特定表面处理过程仔细计算适当的允许加工余量。此外，允许加工余量可能因所用材料和所施加的表面处理类型而异。例如，不同金属对加工和表面处理过程的反应可能不同，从而导致需要去除的材料量的变化。此外，零件几何形状的复杂性也会影响所需的允许加工余量的数量。简单的部件可能需要较小的余量，而具有复杂特征的复杂组件可能需要更大的余量来适应潜在的差异。在实践中，允许加工余量通常在技术图纸和文档中指定。工程师和机械师依赖这些规格来指导他们的工作，并确保最终产品遵循所需的公差。如果未能考虑允许加工余量，可能会导致昂贵的返工、生产延误，最终导致客户不满意。总之，允许加工余量的概念是在设计和制造过程中必不可少的考虑因素。通过理解和应用这一原则，工程师可以创建不仅符合严格质量标准而且在其预期应用中可靠运行的产品。随着技术的不断进步和制造过程的日益复杂，准确计算允许加工余量的重要性只会增加，这突显了在这一重要工程领域进行持续教育和培训的必要性。总体而言，允许加工余量提醒我们设计、制造和质量保证之间的复杂关系。它强调了在生产过程中前瞻性和规划的重要性，最终导致更好的产品和满意的客户。