castings

简明释义

英[/ˈkæstɪŋz/]美[/ˈkæstɪŋz/]

n. [机]铸件；铸造物（casting 的复数）

英英释义

单词用法

同义词

反义词

例句

1.The Rubber Machine of WELLTECis made of the as cast SG iron castings produced by our company.

采用我公司铸态球墨铸铁件生产的华大橡胶机。

2.It is of all fabricated construction with no castings use.

这是所有编造的建设没有铸件使用。

3.It can give lead times of one or two weeks, instead of two months or more that would be needed for castings.

无需2个月或更长的时间来进行铸造和加工，只用1到2周便可完成。

4.Both the chill and reverse chill are defects often found in the nodular iron knucle castings.

白口和反白口缺陷是球铁件转向节的常见缺陷。

5.Over the PAST half century, Ivan Karp has fretted over the carvings and castings behind the Brooklyn Museum.

在过去的整整半个世纪里，伊万·卡普都在为布鲁克林博物馆里的雕刻和铸像揪心。

6.Parts made with investment castings often do not require any further machining, because of the close tolerances that can be achieved.

采用熔模铸造的零件常常不需要进一步加工，因为熔模铸造能达到精密的公差。

7.Aluminium and aluminium alloys - scrap - Part 7: scrap consisting of castings.

铝和铝合金。废料。第7部分：铸件组成的废料。

8.They are developing a new method for creating lightweight castings.

他们正在开发一种新方法来制造轻量级的铸件。

9.We need to inspect the castings for any defects before shipping.

我们需要在发货前检查铸件是否有缺陷。

10.The castings were made from recycled aluminum to promote sustainability.

这些铸件是用回收铝制成的，以促进可持续发展。

11.The artist created beautiful sculptures using resin castings.

这位艺术家使用树脂铸件创作了美丽的雕塑。

12.The factory specializes in producing metal castings.

这家工厂专注于生产金属铸件。

作文

In the world of manufacturing, the term castings refers to the process of shaping liquid material into a solid form using a mold. This technique has been used for centuries, dating back to ancient civilizations that utilized it to create tools, weapons, and decorative items. The significance of castings in modern industry cannot be overstated, as they are fundamental to the production of various components in automobiles, machinery, and even household appliances.The process of creating castings typically begins with designing a mold that will define the shape of the final product. This mold can be made from various materials, including metal, sand, or ceramic, depending on the requirements of the casting process. Once the mold is prepared, molten metal or other materials are poured into it, allowing the material to take the shape of the mold as it cools and solidifies.One of the most common materials used in castings is aluminum, which is favored for its lightweight properties and resistance to corrosion. Aluminum castings are prevalent in the automotive industry, where they are used to manufacture engine blocks, transmission cases, and other critical components. The use of aluminum castings not only reduces the overall weight of vehicles but also enhances fuel efficiency and performance.Another popular material for castings is iron, particularly ductile iron and gray iron. These materials are known for their strength and durability, making them suitable for heavy machinery and construction equipment. Ductile iron castings are often used in applications that require high tensile strength, such as pipes and fittings, while gray iron castings are commonly found in engine blocks and other structural components.The versatility of castings extends beyond just the materials used; there are also various casting methods employed in the industry. Some of the most common methods include sand casting, investment casting, and die casting. Sand casting is one of the oldest techniques, where sand is used to create the mold. Investment casting, on the other hand, involves creating a wax pattern that is coated in a ceramic shell, allowing for intricate designs and high precision. Die casting is a method where molten metal is injected into a mold under high pressure, resulting in smooth surfaces and tight tolerances.The advantages of using castings in manufacturing are numerous. They allow for complex shapes and designs that would be difficult or impossible to achieve through other methods, such as machining or forging. Additionally, castings can be produced in large quantities, making them a cost-effective solution for mass production.However, the casting process is not without its challenges. Issues such as shrinkage, porosity, and inclusions can affect the quality of castings. Manufacturers must carefully control the pouring temperature, cooling rate, and mold design to minimize these defects. Advances in technology, such as computer-aided design (CAD) and simulation software, have greatly improved the ability to predict and mitigate potential problems in the casting process.In conclusion, castings play a crucial role in modern manufacturing, providing a versatile and efficient means of producing a wide range of components. From automotive parts to industrial machinery, the impact of castings is evident in countless products we use every day. As technology continues to evolve, the methods and materials used in castings will undoubtedly advance, further enhancing their importance in the manufacturing sector.

在制造业中，术语铸件指的是使用模具将液态材料成型为固态形式的过程。这项技术已经使用了几个世纪，可以追溯到古代文明，它们利用这一技术制作工具、武器和装饰物。铸件在现代工业中的重要性不言而喻，因为它们是汽车、机械甚至家用电器等各种组件生产的基础。创建铸件的过程通常从设计一个模具开始，该模具将定义最终产品的形状。根据铸造过程的要求，这个模具可以由多种材料制成，包括金属、沙子或陶瓷。一旦模具准备好，熔融金属或其他材料就会倒入模具中，使材料在冷却和固化时获得模具的形状。在铸件中最常用的材料之一是铝，铝因其轻巧的特性和耐腐蚀性而受到青睐。铝铸件在汽车工业中非常普遍，用于制造发动机缸体、变速箱外壳和其他关键部件。使用铝铸件不仅减少了车辆的整体重量，还提高了燃油效率和性能。铁，特别是球墨铸铁和灰铸铁，也是铸件中一种受欢迎的材料。这些材料以其强度和耐用性而闻名，适用于重型机械和建筑设备。球墨铸铁铸件通常用于需要高抗拉强度的应用，如管道和配件，而灰铸铁铸件则常见于发动机缸体和其他结构部件。铸件的多样性不仅体现在所使用的材料上；行业中还采用了多种铸造方法。一些最常见的方法包括砂铸、精密铸造和压铸。砂铸是一种最古老的技术，使用沙子来创建模具。另一方面，精密铸造涉及创建一个涂有蜡的模型，然后用陶瓷外壳包裹，从而实现复杂的设计和高精度。压铸是一种将熔融金属在高压下注入模具的方法，产生光滑的表面和紧密的公差。使用铸件进行制造的优点有很多。它们允许实现复杂的形状和设计，这在其他方法（如加工或锻造）中是困难或不可能实现的。此外，铸件可以大批量生产，使其成为大规模生产的经济有效解决方案。然而，铸造过程并非没有挑战。收缩、孔隙率和夹杂物等问题可能会影响铸件的质量。制造商必须仔细控制浇注温度、冷却速度和模具设计，以尽量减少这些缺陷。技术的进步，如计算机辅助设计（CAD）和仿真软件，极大地提高了预测和减轻铸造过程中潜在问题的能力。总之，铸件在现代制造中发挥着至关重要的作用，提供了一种多功能且高效的方式来生产各种组件。从汽车零部件到工业机械，铸件的影响在我们日常使用的无数产品中显而易见。随着技术的不断发展，铸件中使用的方法和材料无疑会进一步改进，进一步增强它们在制造业中的重要性。