考察了宽幅机头对于不同厚度片材的挤出适应性，得到结论：当生产不同厚度的片材时， 阻尼块高度需要调整。 关键词：高分子防水卷材，三维有限元，流场分析，挤出机，机头。
As far as the practicability of the die for the thickness, the height of the block would be adjusted when extruding the sheets with different thickness.
考察了宽幅机头对于不同厚度片材的挤出适应性，得到结论：当生产不同厚度的片材时， 阻尼块高度需要调整。 关键词：高分子防水卷材，三维有限元，流场分析，挤出机，机头。
As far as the practicability of the die for the thickness, the height of the block would be adjusted when extruding the sheets with different thickness.
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