介绍注射成型过程中采用型腔压力作为转压信号的转压方式控制转压点对注射成型制件质量的影响。并且通过实验与传统的注射时间、螺杆位置的转压方式进行比较,结果显示:采用型腔压力控制比其它转压方式得到的制件质量重复误差相对较低。
A filling-to-packing switchover mode by cavity pressure in injection molding and its affection on quality of molded parts were presented. Three different modes were tested. The results revealed that switchover mode by cavity pressure could produce a better part quality and uniform part weight than the others.