文档介绍：马一青:PV C一U 管件注塑模具浇注系统的优化 5 5
0 P T IM IZ A T I0 N 0 F T H E R U N N E R 0 F T H E IN JE C T I0 N M O L D F 0 R P V C 一U P IP E F IT T IN G S
�������������������������M a y iqing
(Shanxi R esear(f h lnstitute of Te xtile A coessori es,X ianyang 712《X洲〕,China)
��A BSTR A C T Countersom e hard nuts such as the fl owing d叩plesand bedding on the pro ductsurfa ce existing in the m olding of
the plastics part s,the optim um design ofthe ru nnerof the inj eetion mold fo rPVC一U pipe fi ttings is carri ed out. The resultshowes that
although the inj ection m old fo r the PV C一U pipe fi ttings is con1plex aft er the optim um design of the ru nner and the m old cost is in-
cre ased,the inj ection pro cess is m ore sim plifi ed and the hard defe otofthe inj ection is technical ly settled,so m aking the apparentand
inner quality ofthe pro ductto be m uch incre ased.
��K E Y W O R D S PV C一U pipe fi tting,inj ection m old,ru nner,optim ization
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������阻燃发泡 PS 板材投放市场 201 0 年前仍将保持良好的增长势头,最大的应用仍是挤出
��一种广泛使用于建筑、地下储藏室等的高性能阻燃发泡建筑制品,然而预计会出现更多种类的塑木建筑制品,汽车
PS 板材,日前在河北衡水银星新型建材有限公司开发成功, 和运输工业也是塑木复合材料不容忽视的市场。(李珍)
并投放市场。�����广州推出新一代复合钢塑管
��该产品具有保温、阻燃性能好、质量轻、强度高、隔音、抗��由广州励进新技术有限公司研发成功的一种新型钢塑
震等特性。特别是通过自我研制开发的先进工艺配方和生复合管,是以廉价钢带及 PE 颗粒为