肘杆式全电动注塑机胀模特性实验研究  

Experimental Investigation on Mold Separation Characteristics of Toggle-type Full Electric Injection Molding Machine

作　　者：刘刚 傅南红 焦晓龙 窦希宇 许宇轩 谢鹏程[1] LIU Gang;FU Nanhong;JIAO Xiaolong;DOU Xiyu;XU Yuxuan;XIE Pengcheng(College of Mechanical and Electrical Engineering,Beijing University of Chemical Technology,Beijing 100029,China;Haitian Plastic Machinery Group Co,Ltd,Ningbo 315801,China)

机构地区：[1]北京化工大学机电工程学院,北京100029 [2]海天塑机集团有限公司,浙江宁波315801

出　　处：《中国塑料》2020年第5期59-62,共4页China Plastics

基　　金：宁波市重大科技专项(2018B10082)。

摘　　要：注射成型过程中由于型腔压力大于锁模力而产生的胀模现象对注塑制品质量具有显著的影响。基于全电动三板肘杆式注塑机,系统研究了注射成型过程中的胀模特性和由胀模引起的锁模力变化特性。结果表明,在肘杆式注塑机的胀模过程中,锁模力变化量能够反映胀模程度的大小,锁模力最大增量与锁模力变均可作为衡量注塑制品质量的指标。The phenomenon of mold separation caused by a cavity pressure greater than the clamping force during the injection molding process has a significant impact on the quality of injection-molded products.Based on an all-electric threeplate elbow-bar injection-molding machine,the characteristics of mold separation during the injection molding process and the change in clamping force caused by the mold separation were systematically investigated.The results indicated that the change in clamping force could reflect the degree of mold separation during the injection cycle of the toggle injection-molding machine.Both the increment of maximum clamping force and the change of clamping force could be used as an indicator to measure the weight of injection-molded product.

关 键 词：胀模特性 胀模量 锁模力最大增量 锁模力变 

分 类 号：TQ320.66+2[化学工程—合成树脂塑料工业]