backing sand

简明释义

填充砂

英英释义

例句

1.After several tests, we determined that this backing sand provides the best thermal stability.

经过几次测试，我们确定这种背砂提供了最佳的热稳定性。

2.The mold was filled with molten metal, ensuring the use of high-quality backing sand to support the structure.

铸模中填充了熔融金属，确保使用高质量的背砂来支撑结构。

3.The engineers discussed the properties of various types of backing sand before starting the project.

工程师们在项目开始前讨论了各种类型的背砂的特性。

4.Proper compaction of the backing sand is crucial for achieving accurate mold dimensions.

适当压实背砂对于实现准确的铸模尺寸至关重要。

5.In our foundry, we always choose a fine grain backing sand to improve the surface finish of the castings.

在我们的铸造厂，我们总是选择细颗粒的背砂来改善铸件的表面光洁度。

作文

In the world of foundry and metal casting, the term backing sand refers to a crucial component used during the molding process. It is typically a mixture of sand and other materials that serves as a supporting layer for the mold. The primary purpose of backing sand is to provide the necessary strength and stability to the mold, ensuring that it can withstand the pressure and heat generated during the casting process. Without adequate backing sand, the mold may collapse or deform, leading to defects in the final product.The use of backing sand is essential in various applications, from manufacturing intricate parts for machinery to creating artistic sculptures. Foundries often utilize different types of sand mixtures depending on the specific requirements of the casting project. For instance, some foundries may opt for a finer grain size to achieve smoother surface finishes, while others may choose coarser sand for added durability.Moreover, the quality of backing sand can significantly impact the overall efficiency of the casting process. High-quality backing sand helps in achieving better thermal conductivity, which is vital for uniform heating and cooling of the mold. This, in turn, reduces the likelihood of defects such as warping or cracking in the casted parts. Additionally, the right composition of backing sand can enhance the mold's ability to retain its shape under extreme temperatures, contributing to the overall success of the casting operation.One of the challenges faced by foundries is the management of backing sand after the casting process. Once the metal has cooled and solidified, the sand must be removed and often reused for future molds. This recycling process requires careful handling and treatment of the backing sand to maintain its properties and effectiveness. Foundries invest in technologies and systems to clean and reclaim backing sand, minimizing waste and reducing costs associated with purchasing new materials.In conclusion, backing sand plays an indispensable role in the foundry industry, providing the necessary support and stability for molds used in metal casting. Its composition, quality, and management are critical factors that influence the success of casting operations. As technology advances, the methods for optimizing backing sand usage will continue to evolve, leading to improved efficiencies and higher quality cast products. Understanding the significance of backing sand not only highlights its importance in manufacturing but also emphasizes the intricate processes involved in producing high-quality metal components.

在铸造和金属铸造的世界中，术语backing sand指的是在成型过程中使用的重要组成部分。它通常是沙子和其他材料的混合物，作为模具的支撑层。backing sand的主要目的是为模具提供必要的强度和稳定性，确保其能够承受铸造过程中产生的压力和热量。如果没有足够的backing sand，模具可能会崩溃或变形，从而导致最终产品的缺陷。backing sand的使用在各种应用中都是必不可少的，从制造复杂的机械零件到创造艺术雕塑。铸造厂通常根据铸造项目的具体要求采用不同类型的沙子混合物。例如，一些铸造厂可能选择较细的颗粒大小以实现更光滑的表面处理，而其他则可能选择较粗的沙子以增强耐用性。此外，backing sand的质量会显著影响铸造过程的整体效率。高质量的backing sand有助于实现更好的热导率，这对于模具的均匀加热和冷却至关重要。这反过来又减少了铸造零件的翘曲或开裂等缺陷的可能性。此外，适当的backing sand成分可以增强模具在极端温度下保持形状的能力，有助于铸造操作的整体成功。铸造厂面临的一个挑战是在铸造过程后管理backing sand。一旦金属冷却并固化，沙子必须被移除，并且通常会被重复使用于未来的模具。这个回收过程需要对backing sand进行仔细处理和处理，以保持其特性和有效性。铸造厂投资于技术和系统来清洁和回收backing sand，从而最小化浪费并降低购买新材料的成本。总之，backing sand在铸造行业中发挥着不可或缺的作用，为金属铸造中使用的模具提供必要的支持和稳定性。其成分、质量和管理是影响铸造操作成功的关键因素。随着技术的进步，优化backing sand使用的方法将继续发展，带来更高的效率和更高质量的铸件。理解backing sand的重要性不仅突显了它在制造中的重要性，还强调了生产高质量金属组件所涉及的复杂过程。