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.
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。
Inject molding is an important way for plastic forming, and technological parameters have significant effects on the quality of injection molded parts.
注射成形是重要的塑料成形方式之一，工艺参数对塑件质量有重要影响。
Introduced a kind of method which double-color plastic beady parts can be molded using single-color injection machine, It is not only simple and practical but also easy to be extended.
介绍了一种在单色注射机上成型双色塑料珠饰品的成型方法。该方法简单实用，易于推广。
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