external grinding

简明释义

磨外圆

英英释义

例句

1.We need to set up the lathe for external grinding 外部磨削 before starting production.

在开始生产之前，我们需要将车床设置为外部磨削 external grinding模式。

2.The technician demonstrated external grinding 外部磨削 on the new equipment.

技术员在新设备上演示了外部磨削 external grinding的操作。

3.The machine is designed for external grinding 外部磨削 of cylindrical parts.

这台机器专为圆柱零件的外部磨削 external grinding而设计。

4.During the manufacturing process, external grinding 外部磨削 ensures a smooth finish.

在制造过程中，外部磨削 external grinding确保了光滑的表面。

5.For precision parts, external grinding 外部磨削 is critical to achieving tight tolerances.

对于精密零件，外部磨削 external grinding对实现严格公差至关重要。

作文

In the realm of manufacturing and precision engineering, various processes are employed to achieve the desired dimensions and surface finishes of components. One such process is external grinding, which plays a crucial role in enhancing the accuracy and aesthetics of machined parts. External grinding refers to the method of grinding the outer surfaces of cylindrical workpieces, ensuring that they meet specific tolerances and surface quality requirements. This technique is widely used in industries ranging from automotive to aerospace, where precision is paramount.The process of external grinding involves the use of a rotating grinding wheel that removes material from the outer diameter of the workpiece. The workpiece is typically held in place by a chuck or between centers, allowing for precise control during the grinding operation. As the grinding wheel rotates at high speeds, it interacts with the surface of the workpiece, generating heat and removing small amounts of material with each pass. This method not only improves dimensional accuracy but also enhances the surface finish, resulting in a smooth and polished exterior.One of the main advantages of external grinding is its ability to produce tight tolerances. In many applications, components must fit together perfectly to ensure optimal performance. For instance, in the automotive industry, engine components such as crankshafts and camshafts require precise dimensions to function correctly. Any deviation from the specified measurements can lead to mechanical failures or inefficiencies. Therefore, external grinding is often employed to guarantee that these critical components adhere to strict tolerance levels.Moreover, external grinding can be performed using various types of grinding machines, including universal cylindrical grinders, centerless grinders, and roll grinders. Each type of machine has its unique features and capabilities, making them suitable for different applications. For example, centerless grinding is particularly advantageous for high-volume production runs, as it allows for continuous feeding of workpieces without the need for manual loading and unloading. This efficiency can significantly reduce production times and costs.In addition to its practical applications, external grinding also contributes to the overall quality of finished products. A well-ground surface not only looks aesthetically pleasing but also improves the part's performance. For example, in the case of bearings, a smooth outer surface reduces friction and wear, leading to longer service life and better reliability. Similarly, in hydraulic cylinders, a finely ground exterior ensures proper sealing and prevents leaks, which is critical for maintaining system pressure.However, it is essential to consider the challenges associated with external grinding. The process generates heat, which can lead to thermal distortion of the workpiece if not managed properly. To mitigate this issue, coolant is often used during grinding to dissipate heat and lubricate the grinding wheel. Additionally, operators must be skilled in selecting the appropriate grinding wheel and parameters to achieve the desired results without damaging the workpiece.In conclusion, external grinding is a vital process in the manufacturing industry that enhances the precision and quality of components. Its ability to produce tight tolerances and smooth finishes makes it indispensable in sectors where accuracy is critical. As technology advances, the methods and machines used for external grinding continue to evolve, offering improved efficiency and capabilities. Understanding this process and its significance can help professionals in the field appreciate the intricacies of precision engineering and the importance of achieving high-quality standards in manufacturing.

在制造和精密工程领域，各种工艺被用来实现组件所需的尺寸和表面光洁度。其中一种工艺是外圆磨削，它在提高加工零件的精度和美观性方面发挥着至关重要的作用。外圆磨削是指对圆形工件的外表面进行磨削的方法，以确保它们符合特定的公差和表面质量要求。这项技术广泛应用于从汽车到航空航天等行业，在这些行业中，精度至关重要。外圆磨削的过程涉及使用旋转的磨轮，从工件的外直径去除材料。工件通常由夹头固定或放置在中心之间，以便在磨削操作中实现精确控制。当磨轮以高速旋转时，它与工件的表面相互作用，产生热量，并在每次通过时去除少量材料。这种方法不仅提高了尺寸精度，还改善了表面光洁度，最终使外部光滑且抛光。外圆磨削的主要优点之一是其能够生产紧密的公差。在许多应用中，组件必须完美契合，以确保最佳性能。例如，在汽车工业中，发动机组件如曲轴和凸轮轴需要精确的尺寸才能正常工作。任何偏离规定尺寸的情况都可能导致机械故障或效率低下。因此，通常采用外圆磨削来确保这些关键组件符合严格的公差水平。此外，外圆磨削可以使用各种类型的磨削机进行，包括通用圆柱磨床、无心磨床和滚磨机。每种类型的机器都有其独特的特点和能力，使其适合不同的应用。例如，无心磨削对于大批量生产特别有利，因为它允许连续进料工件，而无需手动装卸。这种效率可以显著减少生产时间和成本。除了实际应用外，外圆磨削还对成品的整体质量做出了贡献。磨削良好的表面不仅看起来美观，而且还改善了零件的性能。例如，在轴承的情况下，光滑的外表面减少了摩擦和磨损，从而延长了使用寿命并提高了可靠性。同样，在液压缸中，精细磨削的外部确保了正确的密封并防止泄漏，这对于维持系统压力至关重要。然而，必须考虑与外圆磨削相关的挑战。该过程会产生热量，如果管理不当，可能会导致工件的热变形。为了解决这个问题，磨削过程中通常使用冷却剂来散热并润滑磨轮。此外，操作人员必须熟练选择合适的磨轮和参数，以在不损坏工件的情况下达到预期效果。总之，外圆磨削是制造行业中的一项重要工艺，能够提高组件的精度和质量。其能够生产紧密公差和光滑表面的能力使其在对精度要求严格的领域中不可或缺。随着技术的进步，用于外圆磨削的方法和机器不断发展，提供了更高的效率和能力。理解这一过程及其重要性可以帮助该领域的专业人士欣赏精密工程的复杂性以及在制造中实现高质量标准的重要性。