| 浇注型聚氨酯弹性体制品的模具设计 |
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| 引用本文： | 李娟娟. 浇注型聚氨酯弹性体制品的模具设计[J]. 聚氨酯工业, 2002, 17(1): 30-33 |
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| 作者姓名： | 李娟娟 |
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| 作者单位： | 山西省化工研究院,太原,030021 |
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| 摘 要： | 从制品收缩率、型腔尺寸，分型面设计及骨架结构等方面阐述了浇注型聚氨酯弹性体制品模具设计的几个主要因素，介绍了温度、制品硬度等因素对聚氨酯弹性体收缩率的影响，举例介绍了嵌有骨架的制品和大型制品收缩率，型腔尺寸的计算公式，Y型密封圈和隔油袋模具分型面设计方法，模具材质的选择等。
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| 关 键 词： | 浇注型 聚氨酯弹性体 模具设计 收缩率 型腔尺寸 分型面 骨架结构 加压浇注成型 |
| 修稿时间： | 2001-10-08 |
Mould Design of Castable Polyurethane Elastomers |
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| Li Juanjuan. Mould Design of Castable Polyurethane Elastomers[J]. Polyurethane Industry, 2002, 17(1): 30-33 |
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| Authors: | Li Juanjuan |
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| Abstract: | The principal factors in mould design of castahle polyurethane elastomers, include shrinkage of polyurethane parts, mould cavity dimension, design of mould joint, structure of skeleton, etc., were discussed. The effects of temperature, hardness on the shrinkage ratio of PU elastomer are discussed. And the shrinkage of the large parts and parts with embedded framework, the calculation formula of mould cavity dimension, the selection of mould joint for an Y shaped lock ring and an oil isolation bag are exemplified. |
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| Keywords: | mould polyurethane elastomer shrinkage mould cavity dimension mould joint skeleton structure |
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