casting shrinkage

简明释义

铸造收缩

英英释义

例句

1.The engineer explained that casting shrinkage 铸造收缩 can lead to defects if not properly accounted for in the design.

工程师解释说，如果在设计中没有正确考虑，铸造收缩 casting shrinkage可能会导致缺陷。

2.To minimize casting shrinkage 铸造收缩, we adjusted the alloy composition before pouring the metal.

为了最小化铸造收缩 casting shrinkage，我们在倒入金属之前调整了合金成分。

3.Understanding casting shrinkage 铸造收缩 is crucial for achieving high-quality castings.

理解铸造收缩 casting shrinkage对实现高质量铸件至关重要。

4.The team conducted experiments to measure casting shrinkage 铸造收缩 under different cooling conditions.

团队进行了实验，以测量不同冷却条件下的铸造收缩 casting shrinkage。

5.During the cooling process, we need to monitor the casting shrinkage 铸造收缩 to ensure the final dimensions are accurate.

在冷却过程中，我们需要监测铸造收缩 casting shrinkage以确保最终尺寸的准确性。

作文

In the field of manufacturing, particularly in metalworking and casting processes, understanding various phenomena is crucial for ensuring product quality. One such phenomenon is casting shrinkage, which refers to the reduction in volume that occurs when a metal solidifies and cools after being poured into a mold. This shrinkage can significantly affect the dimensions and integrity of the final product, making it essential for engineers and manufacturers to account for it during the design and production phases.When molten metal is poured into a mold, it occupies a certain volume. As it cools down, it undergoes a phase change from liquid to solid. During this transition, the metal molecules come closer together, leading to a decrease in volume. The amount of casting shrinkage varies depending on the type of metal being used, the temperature at which it is cast, and the specific alloy composition. For instance, materials like aluminum tend to have a higher shrinkage rate compared to other metals such as steel.The implications of casting shrinkage are profound. If not properly accounted for, it can lead to defects in the final product, including warping, cracks, or dimensional inaccuracies. To mitigate these risks, manufacturers often incorporate allowances in their mold designs. This means that they intentionally create molds that are slightly larger than the desired final dimensions of the product. By doing so, they can compensate for the expected casting shrinkage and ensure that the finished item meets the required specifications.Moreover, the cooling rate of the metal also plays a significant role in determining the extent of casting shrinkage. Faster cooling rates can lead to more pronounced shrinkage, while slower cooling can result in less shrinkage. This relationship highlights the importance of controlling the casting environment, including factors such as mold material, thickness, and ambient temperature. Manufacturers must carefully balance these variables to achieve optimal results.In addition to dimensional accuracy, casting shrinkage can also impact the mechanical properties of the cast product. For example, excessive shrinkage can introduce internal stresses that may weaken the material. Therefore, understanding and managing casting shrinkage is not only vital for achieving precise dimensions but also for ensuring the overall strength and durability of the component.In conclusion, casting shrinkage is a critical factor in the casting process that affects both the dimensional characteristics and the mechanical integrity of metal products. Manufacturers must be vigilant in accounting for this phenomenon through careful design and process control. By doing so, they can produce high-quality components that meet industry standards and customer expectations. Ultimately, a thorough understanding of casting shrinkage contributes to the success and reliability of manufacturing operations in the competitive landscape of metalworking.

在制造领域，特别是在金属加工和铸造过程中，理解各种现象对于确保产品质量至关重要。其中一个现象是铸造收缩，它指的是当金属在倒入模具后固化和冷却时发生的体积减少。这种收缩会显著影响最终产品的尺寸和完整性，因此工程师和制造商在设计和生产阶段必须考虑到这一点。当熔融金属倒入模具时，它占据一定的体积。随着其冷却，它经历了从液态到固态的相变。在这一过渡过程中，金属分子逐渐靠近，从而导致体积减少。铸造收缩的量因所用金属的类型、铸造温度和具体合金成分而异。例如，铝等材料的收缩率通常高于钢等其他金属。铸造收缩的影响深远。如果没有适当地考虑，它可能导致最终产品出现缺陷，包括翘曲、裂缝或尺寸不准确。因此，制造商通常在模具设计中加入余量。这意味着他们故意制作出比最终产品所需尺寸略大的模具。通过这样做，他们可以补偿预期的铸造收缩，确保成品符合要求的规格。此外，金属的冷却速率在决定铸造收缩的程度上也起着重要作用。较快的冷却速率可能导致更明显的收缩，而较慢的冷却则可能导致收缩较小。这种关系突显了控制铸造环境的重要性，包括模具材料、厚度和环境温度等因素。制造商必须仔细平衡这些变量，以实现最佳结果。除了尺寸准确性，铸造收缩还可能影响铸造产品的机械性能。例如，过度收缩可能引入内部应力，从而削弱材料。因此，理解和管理铸造收缩不仅对实现精确尺寸至关重要，还对确保组件的整体强度和耐用性至关重要。总之，铸造收缩是铸造过程中一个关键因素，影响金属产品的尺寸特征和机械完整性。制造商必须在设计和工艺控制中保持警惕，以考虑这一现象。通过这样做，他们可以生产出符合行业标准和客户期望的高质量组件。最终，对铸造收缩的透彻理解有助于在金属加工的竞争环境中实现制造操作的成功和可靠性。