allowance for machining

简明释义

机械加工公差机械加工余量

英英释义

例句

1.The manufacturer specified an allowance for machining in the technical drawing.

制造商在技术图纸中指定了加工余量。

2.In order to achieve a smooth finish, the allowance for machining must be accurately determined.

为了获得光滑的表面，必须准确确定加工余量。

3.The allowance for machining was set at 0.5 mm to accommodate tool wear.

为了适应工具磨损，加工余量设定为0.5毫米。

4.When designing the component, we need to consider the allowance for machining to avoid any fitting issues.

在设计组件时，我们需要考虑加工余量以避免任何配合问题。

5.The engineer calculated the allowance for machining to ensure the part fits perfectly.

工程师计算了加工余量以确保零件完美契合。

作文

In the field of manufacturing and engineering, precision is paramount. One of the critical concepts that engineers and machinists must understand is the allowance for machining. This term refers to the intentional extra material left on a workpiece to accommodate the machining process. The purpose of this allowance is to ensure that after the machining operations are completed, the final dimensions of the component will meet the required specifications. Without proper allowance for machining, the risk of producing parts that are undersized or defective increases significantly.When designing a part, engineers must consider various factors that influence the amount of allowance for machining needed. These factors include the type of material being used, the complexity of the part’s geometry, and the specific machining operations that will be performed. For instance, harder materials like steel may require more allowance due to the challenges associated with cutting and shaping them. Conversely, softer materials like aluminum might need less allowance because they are easier to machine.Moreover, the machining process itself can introduce variables that affect the final dimensions of a part. Factors such as tool wear, thermal expansion, and vibrations during machining can cause deviations from the intended size. Therefore, incorporating an appropriate allowance for machining is essential to compensate for these potential inaccuracies. By doing so, manufacturers can achieve tighter tolerances and higher quality in their products.In practice, determining the correct allowance for machining involves a balance between providing enough material for machining while avoiding excessive waste. Engineers often rely on established guidelines and empirical data from previous projects to make informed decisions about the necessary allowances. Additionally, modern computer-aided design (CAD) software can assist in simulating machining processes, allowing engineers to visualize how different allowances will impact the final product.The significance of allowance for machining extends beyond just the technical aspects of manufacturing; it also has economic implications. Overestimating the allowance can lead to increased material costs and longer machining times, while underestimating it can result in scrapped parts and wasted resources. Therefore, achieving the right balance is crucial for maintaining profitability in manufacturing operations.Furthermore, as industries continue to evolve with advancements in technology, the concept of allowance for machining is also adapting. The rise of additive manufacturing and advanced machining techniques offers new possibilities for reducing the need for traditional allowances. However, understanding the foundational principles of allowance for machining remains vital for engineers and machinists alike.In conclusion, the allowance for machining is a fundamental aspect of the manufacturing process that ensures the production of high-quality components. By carefully considering the factors that influence this allowance and utilizing modern tools and techniques, engineers can optimize their designs and improve efficiency. As the manufacturing landscape continues to change, the principles surrounding allowance for machining will remain a cornerstone of effective engineering practice.

在制造和工程领域，精确度至关重要。工程师和机械师必须理解的一个关键概念是加工余量。这个术语指的是在工件上故意留下的额外材料，以适应加工过程。此余量的目的是确保在完成加工操作后，组件的最终尺寸将符合所需规格。如果没有适当的加工余量，生产出尺寸不足或缺陷的零件的风险显著增加。在设计零件时，工程师必须考虑影响所需加工余量数量的各种因素。这些因素包括所使用材料的类型、零件几何形状的复杂性以及将要执行的具体加工操作。例如，像钢这样的硬材料可能需要更多的余量，因为切割和成形它们所面临的挑战。相反，像铝这样的软材料可能需要较少的余量，因为它们更容易加工。此外，加工过程本身也可能引入影响零件最终尺寸的变量。工具磨损、热膨胀和加工过程中产生的振动等因素都可能导致与预期尺寸的偏差。因此，纳入适当的加工余量对于补偿这些潜在的不准确性至关重要。通过这样做，制造商可以实现更严格的公差和更高的产品质量。在实践中，确定正确的加工余量涉及在提供足够的材料用于加工和避免过度浪费之间取得平衡。工程师通常依赖于已建立的指导方针和以前项目的经验数据来做出有关必要余量的明智决策。此外，现代计算机辅助设计（CAD）软件可以帮助模拟加工过程，使工程师能够可视化不同余量对最终产品的影响。加工余量的重要性不仅仅体现在制造的技术方面；它还具有经济意义。高估余量可能导致材料成本增加和加工时间延长，而低估余量则可能导致报废零件和资源浪费。因此，实现正确的平衡对于维持制造操作的盈利能力至关重要。此外，随着工业随着技术的进步不断发展，加工余量的概念也在适应。增材制造和先进加工技术的兴起为减少传统余量的需求提供了新的可能性。然而，理解加工余量的基础原则仍然对工程师和机械师至关重要。总之，加工余量是制造过程中一个基本的方面，确保高质量组件的生产。通过仔细考虑影响这一余量的因素并利用现代工具和技术，工程师可以优化设计，提高效率。随着制造环境的不断变化，围绕加工余量的原则将继续成为有效工程实践的基石。