Gradient-density PUF was produced in two ways : mould shaping and embed shaping, through changing volume filling coefficient, mass filling coefficient, and the size of foam core.
采用模塑成型和嵌入成型两种方法，通过改变体积填充系数、质量填充系数和芯体尺寸，制备了梯度密度聚氨酯泡沫塑料。
The dough enhancer can increase dough volume and improve gluten structure, as well as enhance the elasticity for better shaping and operation.
增加面团、面筋之结构，使搅拌面槽弹性良好，容易操作整形。
The utility model is convenient for shaping and makes use of flow production and division of work, thereby providing feasible foundation of improving processing efficiency for volume production.
本实用新型方便造型，而且利用流水分工生产，为批量生产提供提高加工效率的可行性依据。
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