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chenxuesen

金虫 (小有名气)

【答案】应助回帖

首先,工艺温度参数设定的不是很准确,配方设计也有问题(正常PVC发泡生产一般是选用7型或8型树脂,泡孔调节剂选用粘度更高的发泡调节剂,发泡剂一般是AC和小苏打混用;最终一系列问题导致在五区塑化过头,熔体强度下降,气泡在出口模后溢出,熔体破裂,导致制品粗糙,同时塑化过头,变黄甚至降解
11楼2016-11-26 09:13:16
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liuxdhs

银虫 (正式写手)

你好,我想请问一下主机评率和螺杆转速是怎样换算的呢??我们的是SHJ-35同向平行双螺杆挤出机。。谢谢!
12楼2019-09-28 16:35:24
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