当塑料熔体注入注塑模具型腔时,使用路沿石模具生产制造时.如果注塑模具型腔内原有气体,使蒸汽不能顺利的排出,将在制品上形成气孔,接缝,外表轮廓不清,,而且注塑型腔内气体被压缩产生的反压力会减低冲模速度,不能完全充溢注塑模具型腔,同时还会因为气体被压缩而产生的高温灼伤制件,使之清苑县南阎庄鑫达模板加工厂电话:0312-8100691 / /13831202388 传真:0312-8100692 Q 网址 关键词:盖板模/products.asp?bigclassid=16 护坡模/look_news.asp?id=382 路沿石模/look_news.asp?id=375 路缘石模/look_products.asp?id=84 路缘石塑料模/look_products.asp?id=74 路牙石模/look_products.asp?id=75 路缘石模/look_products.asp?id=76 路边石模/look_products.asp?id=77 路侧石模/look_products.asp?id=78 路平石模/look_products.asp?id=79 路牙石塑料模/look_products.asp?id=80 路肩板模/look_products.asp?id=81 水利护坡模/look_products.asp?id=71 护坡砖模/look_products.asp?id=72 六角护坡模/look_news.asp?id=378