| 塑料齿轮缩腰的机理分析及解决方法 |
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| 引用本文： | 沈亚强,辛栋,赵凯,陆志强,曹伟. 塑料齿轮缩腰的机理分析及解决方法[J]. 模具工业, 2019, 0(2): 1-5 |
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| 作者姓名： | 沈亚强 辛栋 赵凯 陆志强 曹伟 |
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| 作者单位： | 深圳市兆威机电股份有限公司;郑州大学橡塑模具国家工程研究中心 |
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| 基金项目： | 国家自然科学基金项目(11672271;11432003) |
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| 摘 要： | 以某塑料齿轮为例,利用Moldflow分析塑料齿轮产生缩腰的机理,提出采用鼓形电极加工模具型腔板以消除塑料齿轮缩腰的现象,并详细介绍了塑料齿轮的成型方法,实际生产表明该方法有效解决了塑料齿轮成型中的缩腰问题。
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| 关 键 词： | 塑料齿轮 缩腰 鼓形 电火花加工 翘曲变形 |
Mechanism analysis and solution for middle shrinkage of plastic gear |
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| SHEN Ya-qiang,XIN Dong,ZHAO Kai,LU Zhi-qiang,CAO Wei. Mechanism analysis and solution for middle shrinkage of plastic gear[J]. Die & Mould Industry, 2019, 0(2): 1-5 |
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| Authors: | SHEN Ya-qiang XIN Dong ZHAO Kai LU Zhi-qiang CAO Wei |
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| Affiliation: | (Shenzhen Zhaowei Machinery & Electronics Co., Ltd., Shenzhen, Guangdong 518105, China;National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, Henan 450002, China) |
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| Abstract: | Taking a plastic gear as an example, Moldflow was used to analyze the mechanical mechanism of middle shrinkage generated by uneven temperature distribution. A detailed method that adopted drum electrode to machine the cavity plate was proposed to eliminate the middle shrinkage of the plastic gear. The actual production verified the method could effectively solve the problem of middle shrinkage in the moulding of plastic gears. |
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| Keywords: | plastic gear middle shrinkage drum EDM warpage deformation |
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