preheating temperature

简明释义

预热温度

英英释义

例句

1.For best results, always check the preheating temperature (预热温度) before placing your dish in the oven.

为了获得最佳效果，在将菜肴放入烤箱之前，请始终检查预热温度 (预热温度)。

2.Adjust the preheating temperature (预热温度) if you're using a different type of oven.

如果您使用的是不同类型的烤箱，请调整预热温度 (预热温度)。

3.The preheating temperature (预热温度) is crucial for achieving the perfect crust on your pizza.

对于制作完美披萨的外壳，预热温度 (预热温度)至关重要。

4.The recipe calls for a preheating temperature (预热温度) of 375°F to ensure even cooking.

食谱要求设置预热温度 (预热温度)为375°F，以确保均匀烹饪。

5.Before baking the bread, make sure to set the oven to the correct preheating temperature (预热温度) for optimal results.

在烤面包之前，确保将烤箱设置为正确的预热温度 (预热温度)以获得最佳效果。

作文

In the world of manufacturing and engineering, the concept of preheating temperature plays a crucial role in ensuring the quality and integrity of materials. Preheating refers to the process of heating a material before it undergoes further processing, such as welding or forging. The preheating temperature is the specific temperature to which the material is heated prior to these processes. Understanding the importance of this temperature can greatly enhance the performance of the final product.One of the primary reasons for setting an appropriate preheating temperature is to reduce the risk of thermal shock. When materials are subjected to rapid changes in temperature, they can experience stress that may lead to cracks or other forms of damage. For example, when welding steel, if the base metal is too cold, the heat from the welding process can cause the metal to cool rapidly, resulting in brittle fractures. By preheating the metal to the correct preheating temperature, manufacturers can minimize this risk and ensure a more uniform cooling rate.Moreover, different materials have varying preheating temperatures based on their composition and intended use. For instance, high-carbon steels require a higher preheating temperature compared to low-carbon steels. This is due to the fact that high-carbon steels are more susceptible to hardening and cracking during the welding process. Therefore, understanding the specific requirements of each material is essential for achieving optimal results.In addition to preventing thermal shock, maintaining the right preheating temperature also improves the overall workability of the material. When metals are heated, they become more malleable, allowing for easier manipulation during processes such as bending or shaping. This is particularly important in industries where precision is key, such as aerospace and automotive manufacturing. By adhering to the recommended preheating temperature, engineers can ensure that the materials retain their desired properties while undergoing various transformations.Furthermore, the preheating temperature can influence the microstructure of the material. Different heating profiles can lead to variations in grain size and distribution, which ultimately affects the mechanical properties of the finished product. For example, a proper preheating temperature can promote a finer grain structure, enhancing the strength and toughness of the material. This is especially critical in applications where safety is paramount, such as in the construction of bridges or buildings.Lastly, the economic aspect of using the correct preheating temperature cannot be overlooked. While there may be additional energy costs associated with preheating, the long-term benefits of reduced defects and improved material performance can lead to significant savings. Companies can avoid costly rework and ensure that their products meet the necessary standards, ultimately leading to greater customer satisfaction.In conclusion, the concept of preheating temperature is vital in the fields of manufacturing and engineering. It serves as a preventive measure against thermal shock, enhances workability, influences microstructure, and contributes to economic efficiency. By understanding and applying the correct preheating temperature, manufacturers can significantly improve the quality and durability of their products, ensuring success in an increasingly competitive market.

在制造和工程的世界中，预热温度的概念在确保材料的质量和完整性方面发挥着至关重要的作用。预热是指在材料进行进一步加工（如焊接或锻造）之前对其进行加热的过程。预热温度是指在这些过程中材料被加热到的特定温度。理解这一温度的重要性可以大大提高最终产品的性能。设定适当的预热温度的主要原因之一是减少热冲击的风险。当材料经历快速的温度变化时，它们可能会受到应力，导致裂缝或其他形式的损坏。例如，在焊接钢材时，如果基材太冷，焊接过程中的热量可能会导致金属迅速冷却，从而导致脆性断裂。通过将金属加热到正确的预热温度，制造商可以最小化这种风险，确保更均匀的冷却速率。此外，不同材料根据其成分和预期用途具有不同的预热温度。例如，高碳钢需要比低碳钢更高的预热温度。这是因为高碳钢在焊接过程中更容易出现硬化和开裂。因此，了解每种材料的具体要求对于实现最佳结果至关重要。除了防止热冲击外，保持正确的预热温度还可以改善材料的整体可加工性。当金属被加热时，它们变得更加柔韧，便于在弯曲或成型等过程中进行操作。这在航空航天和汽车制造等对精度要求极高的行业中特别重要。通过遵循推荐的预热温度，工程师可以确保材料在经历各种变化时保持其所需的特性。此外，预热温度还会影响材料的微观结构。不同的加热曲线可能导致晶粒大小和分布的变化，最终影响成品的机械性能。例如，适当的预热温度可以促进更细的晶粒结构，增强材料的强度和韧性。这在安全至关重要的应用中尤为关键，例如在桥梁或建筑物的建造中。最后，使用正确的预热温度的经济方面也不容忽视。虽然预热可能会增加额外的能源成本，但减少缺陷和改善材料性能的长期收益可以带来显著的节省。公司可以避免昂贵的返工，确保其产品符合必要的标准，最终提高客户满意度。总之，预热温度的概念在制造和工程领域至关重要。它作为防止热冲击的措施，增强了可加工性，影响了微观结构，并有助于经济效率。通过理解和应用正确的预热温度，制造商可以显著提高其产品的质量和耐用性，确保在日益竞争激烈的市场中取得成功。