复杂塑料包装箱熔接痕疵病分析及工艺改进  

Weld Defect Analysis and Process Improvement of Complex Plastic Packing Box

作　　者：刘海艳 姜春茂 刘淑艳 张雷 孙丽华 王波 刘巍巍 姜华 LIU Hai-yan;JIANG Chun-mao;LIU Shu-yan;ZHANG Lei;SUN Li-hua;WANG Bo;LIU Wei-wei;JIANG Hua(North Huaan Industrial Group Co., Ltd., Qiqihar 161046, China)

机构地区：[1]北方华安工业集团有限公司,黑龙江齐齐哈尔161046

出　　处：《精密成形工程》2018年第2期133-136,共4页Journal of Netshape Forming Engineering

摘　　要：目的解决熔接痕疵病问题,降低废品率,提高生产效率。方法通过熔接痕疵病成型机理及原因分析,采取在注塑模具上增加排气装置、改进分流道分布、增加冷却水道组数等工艺改进措施,改进后进一步优化注塑工艺参数。结果工艺改进后,熔接痕疵病问题得以解决,产品质量提高,经过自由跌落工艺试验验证,工艺改进后加工的产品满足GJB 4403—2003和产品图样的相关要求,废品率由3%降低到0.78%以下,生产效率提高23%。结论改进效果明显,解决了熔接痕疵病问题,提高了产品的外观质量,降低了废品率,保证了产品的使用性能,缩短了生产周期,也为今后生产提供了技术保障。The paper aims to solve weld defects,reduce scrap rate and improve production efficiency.Through the method of welding defect forming mechanism and reason analysis of mark,process improvement measures such as adding exhaust device on the injection mold,improving distribution of shunt and increasing the number of cooling water group were taken to further optimize process parameters of injection mold.After process improvement,the weld flaw was solved and the product quality was improved.According to verification of the free drop test,product processed after process improvement met relevant requirements of GJB4403-2003and product drawings.The scrap rate was decreased from3%to below0.78%.The production efficiency was increased by23%.The improvement effect is obvious.It solves weld defects,improves appearance quality of product,reduces scrap rate,ensures performance of products,shortens the production cycle,and also provides technical support for future production.

关 键 词：塑料包装箱 熔接痕疵病 工艺改进 

分 类 号：TG306[金属学及工艺—金属压力加工]