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预塑行程
Date: 2019-11-25 03:40
Views: 2623
Source: Internet
注射量的大小与计量行程的精度有关。太小,注射量不够;太大,使料桶前部每次注射后射出残量太大,使熔体温度不均或过热分解。预塑后计量的熔体其纵向温度和径向温度都有温差,螺杆转数,预塑背压和料桶温度都将对熔体温度和温差有较大影响.
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