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1 概 述在塑料异型材挤出生产中不可避免地会产生一定数量的废料 ,如在挤出机开机、停机和工艺调整过程中 ,以及生产过程中的少量不合格品。同样 ,在塑窗加工过程中下料和切角等工序也会造成部分残料。型材生产与塑窗加工中产生的残余料的处理是一个较普遍的问题。降级处理会
1 Overview A certain amount of waste, such as during start-up, shutdown, and process adjustment of the extruder, and a small number of rejects during the production process, will inevitably be produced in the extrusion of plastic profiles. In the same way, blanking and chamfering in the plastic window processing process will also cause some of the residue. The processing of residual material produced in the production of profile and plastic window processing is a common problem. Downgrade processing