Investigation of the Influence of Processing Parameter on Replication Fidelity of Microstructured Parts

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Investigation of the Influence of Processing Parameter on Replication Fidelity of Microstructured Parts

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- Investigation of the Influence of Processing Parameter on Replication Fidelity of Microstructured Parts
- Optics and Precision Engineering Vol. 16, Issue 2, Pages: 248-256(2008)
- 作者机构：
  
  中南大学机电工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：03 September 2007，
  
  Revised：09 October 2007，
  
  Published Online：22 February 2008，
  
  Published：22 February 2008
- 稿件说明：
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蒋炳炎,申瑞霞,沈龙江,胡建良. 注射成型工艺参数对微结构零件复制度的影响[J]. 光学精密工程, 2008,16(2):248-256

Investigation of the Influence of Processing Parameter on Replication Fidelity of Microstructured Parts[J]. Optics and precision engineering, 2008, 16(2): 248-256.
蒋炳炎,申瑞霞,沈龙江,胡建良. 注射成型工艺参数对微结构零件复制度的影响[J]. 光学精密工程, 2008,16(2):248-256 DOI：

Investigation of the Influence of Processing Parameter on Replication Fidelity of Microstructured Parts[J]. Optics and precision engineering, 2008, 16(2): 248-256. DOI：

摘要

为改善微结构零件的复制度，以具有广泛应用前景的精细微结构零件——微透镜阵列为案例，将制品成型重量作为制品复制度的量化衡量指标，运用单因素实验方法实验研究了注射成型工艺参数（熔体温度、模具温度、注射时间、保压压力、保压时间）对微结构零件制品重量的影响规律。实验结果表明，增加熔体温度和模具温度能使保压压力更有效地通过浇注系统传递到微型腔，增加制品重量；成型重量大的制品，微结构的填充要好于重量轻的制品，微结构零件复制度与成型重量存在对应关系。制品重量可初步评价微结构零件的复制度，研究各工艺参数对制品重量的影响规律对提高微结构零件的复制度有重要意义。

Abstract

High replication fidelity is a prerequisite of high quality plastic microstructured parts in injection molding. But

there’s not an economical and practical method to evaluate and improve the replication fidelity until now. Based on part weight evaluation

this paper studied a new method of replication fidelity improvement. In order to improve replication fidelity of microstructured parts

this paper took micro lens array as the application case and the part weight as quantitative assessment index of replication fidelity

studied the effects of processing parameters(melt temperature

mold temperature

injection time

packing pressure and packing time) on the part weight of microstructured parts in injection molding by experiment. The results showed that the increase of melt temperature and mold temperature could make the packing pressure transfer to micro cavity more effectively through runner system

and increasing the part weight; The higher the part weight

the better the filling of the microstructures. In conclusion

part weight can be used to evaluate the replication fidelity of microstructured parts primarily; investigation of the influence of processing parameter on the part weight can be used to improve the replication fidelity of microstructured parts.

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Related Institution

School of Mechanical and Electrical Engineering, Central South University

大连理工大学模具研究所

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences

School of Mechatronic, Harbin Institute of Technology

Changchun Institute of Optics and Fine Mechanics, Chinese Academy of Sciences

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