plastic shrinkage

简明释义

塑性收缩

英英释义

例句

1.The technician measured the final size of the product to determine the effects of plastic shrinkage (塑料收缩).

技术人员测量了产品的最终尺寸，以确定塑料收缩 (塑料收缩)的影响。

2.The engineer explained that plastic shrinkage (塑料收缩) can lead to defects in molded parts.

工程师解释说，塑料收缩 (塑料收缩)可能导致模制零件的缺陷。

3.Understanding plastic shrinkage (塑料收缩) is crucial for achieving high-quality injection molded products.

理解塑料收缩 (塑料收缩)对于实现高质量注塑产品至关重要。

4.During the manufacturing process, we need to account for plastic shrinkage (塑料收缩) to ensure the final dimensions are accurate.

在制造过程中，我们需要考虑到塑料收缩 (塑料收缩)，以确保最终尺寸的准确性。

5.To minimize plastic shrinkage (塑料收缩), we should adjust the cooling rate of the mold.

为了减少塑料收缩 (塑料收缩)，我们应该调整模具的冷却速度。

作文

Understanding the concept of plastic shrinkage is crucial in various fields, especially in manufacturing and materials science. Plastic shrinkage refers to the reduction in volume that occurs when plastic materials cool down after being molded or extruded. This phenomenon can significantly affect the quality and dimensions of the final product, making it essential for engineers and designers to account for it during the design phase.When plastic is heated and molded into a specific shape, it expands. However, as it cools, it contracts, leading to what we refer to as plastic shrinkage. This contraction can vary depending on the type of plastic used, the processing conditions, and the geometry of the part. For instance, thermoplastics tend to have different shrinkage rates compared to thermosetting plastics. Understanding these differences is vital for achieving precise tolerances in manufactured parts.In the injection molding process, plastic shrinkage can lead to defects such as warping, dimensional inaccuracies, and surface imperfections if not properly managed. Manufacturers often utilize various techniques to mitigate the effects of plastic shrinkage. These may include adjusting the mold design, optimizing cooling rates, and selecting appropriate materials that exhibit favorable shrinkage characteristics.Moreover, the importance of plastic shrinkage extends beyond just manufacturing. In the field of construction, for example, understanding how plastic materials behave under different temperature conditions can influence the durability and safety of structures. If plastic components are expected to experience significant temperature fluctuations, engineers must consider plastic shrinkage to ensure that the materials will perform as intended over time.Additionally, the implications of plastic shrinkage can also be seen in everyday products. For instance, packaging materials often undergo plastic shrinkage during the production process. Shrink wrap is a common application where the material is heated to conform tightly around a product, providing protection and enhancing presentation. Here, the controlled use of plastic shrinkage is beneficial for both functionality and aesthetics.In conclusion, plastic shrinkage is a fundamental concept that plays a pivotal role in the manufacturing and application of plastic materials. By understanding and managing this phenomenon, engineers and designers can improve product quality, enhance performance, and ensure that materials meet the required specifications. As industries continue to evolve and innovate, the knowledge of plastic shrinkage will remain essential for developing advanced materials and processes that meet the demands of modern applications.

理解塑料收缩的概念在各个领域中至关重要，尤其是在制造和材料科学中。塑料收缩是指塑料材料在成型或挤出后冷却时体积的减少。这种现象会显著影响最终产品的质量和尺寸，因此工程师和设计师在设计阶段必须考虑到这一点。当塑料被加热并模制成特定形状时，它会膨胀。然而，随着它冷却，它会收缩，这就是我们所称的塑料收缩。这种收缩可能因所使用的塑料类型、加工条件和部件的几何形状而异。例如，热塑性塑料与热固性塑料的收缩率往往不同。理解这些差异对于实现制造部件的精确公差至关重要。在注塑过程中，如果不正确管理，塑料收缩可能导致翘曲、尺寸不准确和表面缺陷等缺陷。制造商通常采用各种技术来减轻塑料收缩的影响。这些技术可能包括调整模具设计、优化冷却速率以及选择表现出良好收缩特性的适当材料。此外，塑料收缩的重要性不仅限于制造。在建筑领域，例如，了解塑料材料在不同温度条件下的行为可以影响结构的耐久性和安全性。如果预计塑料组件会经历显著的温度波动，工程师必须考虑塑料收缩以确保材料在长期内按预期性能表现。此外，塑料收缩的影响也可以在日常产品中看到。例如，包装材料在生产过程中通常会经历塑料收缩。收缩膜是一种常见的应用，其中材料在加热时紧密地包裹在产品周围，提供保护并增强外观。在这里，受控使用塑料收缩对功能和美观都是有益的。总之，塑料收缩是一个基本概念，在塑料材料的制造和应用中起着关键作用。通过理解和管理这一现象，工程师和设计师可以提高产品质量、增强性能，并确保材料满足所需规格。随着行业的不断发展和创新，对塑料收缩的知识将继续是开发满足现代应用需求的先进材料和工艺的基础。