Moreover, PS theological phenomenon is analyzed and the basic method for determining the extrusion moulding conditions of PS fluorescent lamp-shade is developed.
并分析PS流变现象，提出确定PS日光灯罩挤出成型工艺条件的基本方法。
2
This paper deals with the mould structure and empirical formulas for calculating die parameters, finalized design and pattern-rolling devices of PS fluorescent lamp-shade.