中国塑料

中国塑料 ›› 2008, Vol. 22 ›› Issue (09): 89-95.DOI: 10.19491/j.issn.1001-9278.2008.09.020

• 机械与模具 • 上一篇    

精密注射成型模具中多孔材料的应用新技术

申瑞霞;翟瞻宇;Gerhard Ziegmann   

  1. 中南大学现代复杂装备设计与极端制造教育部重点实验室;Institute of Polymer Materials and Plastics Engineering, Clausthal Universtiy of Technology
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2008-09-26 发布日期:2008-09-26

Applying new technology of porous material in precision injection mold

JIANG Bing-yan; SHEN Rui-xia; ZHAI Zhan-yu;Gerhard Ziegmann   

  1. Key Laboratory of Modern Complex Equipment Design and Extreme Manufacturing, Ministry of Education., Central South University;Institute of Polymer Materials and Plastics Engineering, Clausthal Universtiy of Technology
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-09-26 Published:2008-09-26
  • Contact: JIANG Bing-yan

摘要： 注射成型技术作为塑料产品最主要的成型方式之一，在国民经济的各个领域都有广泛应用，塑料产品的迅速发展对精密注射成型模具设计带来了新的挑战。本文阐述了多孔材料在精密注射成型模具中的应用优势及其工作原理，着重分析了在排气系统、冷却系统、脱模系统、抽真空系统及模内贴标技术（IML）中的应用现状，分析指出其强度、孔率、孔径及孔径分布的控制及机械加工性是未来研究的热点和难点，实现低成本、大规模生产是多孔材料的发展趋势。

关键词: 精密注射成型模具, 多孔材料, 排气, 脱模, 模内贴标

Abstract: The rapid development of plastic parts brought new challenges to precision injection mold design. The advantages and working principle of porous material in precision injection mold were reviewed in this paper. Currently, porous materials were employ in injection mold as vent system, cooling system, demolding system, vacuum system, and In Mold Labeling (IML) technology. The strength, porosity, pore size and distribution, surface topography control, and machinability constituted the hot topics. Low cost and mass production will be the development trend in the near future.

Key words: precision injection mold, porous material, vent, demolding, In Mold Labeling

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