并对汽车把手件气辅成型制品和传统注塑成型制品的抗拉强度和抗弯强度进行了比较。
The tensile strength and bending strength of gas-assisted molding automobile handle were compared with conventional injection molding.
采用一般的平均收缩率方法来确定模具型腔的成型尺寸，已难以满足精密注塑成型制品的精度要求。
Using average shrinkage rates of injection-molded parts to decide the dimension of mold cavity can not satisfy the demand of high precision injection-molded parts.
根据注塑成型过程中高分子的运动特点，提出注塑成型制品的各点在收缩过程中将沿其流动路径进行收缩的观点。
On the ground of movement characteristics of macromolecules during the injection molding process, a thought is put forward that a point will shrink along its flow path.
在这些应用场合，不仅要求塑料制品的精度高，而且塑料制品形状也比较复杂，这使得对注塑成型制品收缩率的控制变得十分重要。
Industrial plastic parts are usually requested to have high precision and complicated shapes, so it is important to control the shrinkage rates of injection-molded parts.
本文分析了精密注塑成型过程中温度与制品收缩率的复杂关系，特别是在聚合物不同的情况下温度对精密注塑成型制品收缩率的综合影响。
The complex connections between temperature and shrinkage are described in this work, and how these connections are affected by the characteristics of plastics is discussed too.
列举了热塑性聚氨酯在注塑成型过程中产生制品缺陷可能发生的问题及原因，并对解决方法加以阐述。
The problems and causes that way be met during the making course of thermoplastic polyurethane injection moulding the measures of treating failing products.
注塑成型工艺参数对制品的最终残余应力和收缩有着直接的影响。
In injection molding, the residual stress and shrinkage of the product are affected by processing conditions directly.
注塑成型是最重要的塑料成型方法之一，它的最大优点是可以一次成型结构复杂的制品，应用很广。
Injection molding is one of the most important plastics moulding methods. The advantage of the method is that complicated products can be moulded one step, so it has extensive applications.
分析和指明了PC制品在注塑成型生产中各个方面降低制品内应力的工艺方法、特点及要求。
This paper analyses the process, characteristics and requirement of the lowering of the internal stress of the PC products in the moulding.
采用BP神经网络建立注塑成型工艺参数与注塑制品收缩率之间的网络模型，并通过试验数据对成型工艺参数进行优化。
BP Neural Network is applied in this paper to establish the model between the process parameters and the shrinkage, and to optimize the process parameters by the test data.
介绍注塑成型的工艺原理、成型工艺条件及对成型制品性能的影响。
This paper introduces the principles of plastics injection, injection molding conditions and their effects on the property of molding products.
注塑成型工艺过程极其复杂且对制品质量有重要的影响，获得优化的工艺参数是改善制品质量的关键。
The process of plastic injection molding is too complex and it has a significant effect on the quality of products.
注塑成型工艺过程极其复杂且对制品质量有重要的影响，获得优化的工艺参数是改善制品质量的关键。
The process of plastic injection molding is too complex and it has a significant effect on the quality of products.
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