【摘要】 本文分析了大型精密注塑模生产中产生“顶白”，熔接痕等缺陷的原因，讨论了这些缺陷与模具结构设计的关系，介绍了在模具设计、试模及生产中消除这些缺陷的各种措施．更多还原

【Abstract】 The reason of the defects such as nliftout white",melting vestige,etc,produced in large -scale precision plastic jet moulding production is analyzed,the relationship between those defects and the structural design of the moulding-die is discussed,and the measures to eliminate those defects in designing the moulding-die,testing the moulding-die and during the manufacturing process are introduced in this paper.更多还原