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软性PVC的注塑加工工艺

Date: 2019-11-25 03:40 Views: 3856 Source: Internet

在注塑加工过程中容易出现那些问题及解决方法,如:壁厚为6MM的产品,潜进浇口处壁内有出现气孔这个怎么怎么解决?
以下是我结合个人工作经验，对PVC料注塑工艺作一些说明：
1）温度不要过高，一般150-170摄氏度
2）因其流动性差，注塑时使用稍大的射出压力、射出速度数值
3）模具材质也是不可忽视的，因PVC具有很强的腐蚀性，所以模具材质要选择具有搞酸性的
4）停机两小时以上，立即用其他料(如PP料）清洗螺杆，确保残留在螺杆中的PVC料彻底没有，否则你可的注塑机螺杆就会损坏
 

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Address: Building 5, No. 936 Guoshun Road, Nanqiao Town, Fengxian District, Shanghai

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