Development of a modular mold with a carbon nanotube web film heater for rapid-heating cycle molding

IF 2.9 3区 工程技术 Q2 AUTOMATION & CONTROL SYSTEMS
Hyeon Min Lee, Young Bae Ko, Woo Chun Choi
{"title":"Development of a modular mold with a carbon nanotube web film heater for rapid-heating cycle molding","authors":"Hyeon Min Lee, Young Bae Ko, Woo Chun Choi","doi":"10.1007/s00170-024-13335-y","DOIUrl":null,"url":null,"abstract":"<p>A new process technique called rapid heat cycle molding (RHCM) has been developed using a carbon nanotube (CNT) web film as a heat source for the mold. Although various heating technologies have been applied as RHCM techniques, low energy efficiency has caused productivity to decrease. To improve this issue, the RHCM process was implemented using a CNT web film for more efficient heating. A multilayer structure module was designed to apply the CNT web film to a full-size injection mold. The RHCM process was implemented by designing stable heat transfer and electrical insulation through a multilayer structure module. When power was applied, the temperature rose quickly, with the highest heating rate reaching 41 °C/s at 40 kW, and the highest temperature achieved at about 300 °C. The temperature uniformity and stability were tested on 6 points of the cavity surface, and an average of 97% temperature uniformity and stability was observed during heating. In production testing of the Center Fascia (CTR.FASCIA), which is an internal automobile part made of polycarbonate/polybutylene terephthalate composites, an RHCM process was conducted. The width and depth of weld lines in the molded products were eliminated, and a 26% improvement in glossiness and surface quality was observed compared to the conventional injection molding process (CIM). CNT web film is a versatile and flexible material that can be applied in various forms, and it has been confirmed that by utilizing this material to create a multilayer structure module, the RHCM process can be performed reliably.</p>","PeriodicalId":50345,"journal":{"name":"International Journal of Advanced Manufacturing Technology","volume":null,"pages":null},"PeriodicalIF":2.9000,"publicationDate":"2024-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Advanced Manufacturing Technology","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1007/s00170-024-13335-y","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"AUTOMATION & CONTROL SYSTEMS","Score":null,"Total":0}
引用次数: 0

Abstract

A new process technique called rapid heat cycle molding (RHCM) has been developed using a carbon nanotube (CNT) web film as a heat source for the mold. Although various heating technologies have been applied as RHCM techniques, low energy efficiency has caused productivity to decrease. To improve this issue, the RHCM process was implemented using a CNT web film for more efficient heating. A multilayer structure module was designed to apply the CNT web film to a full-size injection mold. The RHCM process was implemented by designing stable heat transfer and electrical insulation through a multilayer structure module. When power was applied, the temperature rose quickly, with the highest heating rate reaching 41 °C/s at 40 kW, and the highest temperature achieved at about 300 °C. The temperature uniformity and stability were tested on 6 points of the cavity surface, and an average of 97% temperature uniformity and stability was observed during heating. In production testing of the Center Fascia (CTR.FASCIA), which is an internal automobile part made of polycarbonate/polybutylene terephthalate composites, an RHCM process was conducted. The width and depth of weld lines in the molded products were eliminated, and a 26% improvement in glossiness and surface quality was observed compared to the conventional injection molding process (CIM). CNT web film is a versatile and flexible material that can be applied in various forms, and it has been confirmed that by utilizing this material to create a multilayer structure module, the RHCM process can be performed reliably.

Abstract Image

开发带有碳纳米管网状薄膜加热器的模块化模具,用于快速加热循环成型
一种名为快速热循环成型(RHCM)的新工艺技术已经开发出来,它使用碳纳米管(CNT)薄膜作为模具的热源。虽然各种加热技术已被用作 RHCM 技术,但低能效导致生产率下降。为了改善这一问题,我们采用了碳纳米管薄膜作为 RHCM 工艺,以提高加热效率。设计了一个多层结构模块,用于将 CNT 网膜应用到全尺寸注塑模具中。通过多层结构模块设计稳定的热传导和电绝缘,实现了 RHCM 工艺。通电后,温度迅速升高,在 40 kW 的功率下,最高加热速率达到 41 ℃/s,最高温度达到约 300 ℃。对空腔表面的 6 个点进行了温度均匀性和稳定性测试,在加热过程中观察到平均 97% 的温度均匀性和稳定性。在对由聚碳酸酯/聚对苯二甲酸丁二醇酯复合材料制成的汽车内部零件--中心饰条(CTR.FASCIA)进行生产测试时,采用了 RHCM 工艺。与传统的注塑成型工艺(CIM)相比,成型产品的焊缝宽度和深度均得到消除,光泽度和表面质量提高了 26%。CNT 卷材薄膜是一种多功能柔性材料,可应用于各种形式,通过利用这种材料创建多层结构模块,已证实 RHCM 工艺可以可靠地进行。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 求助全文
来源期刊
CiteScore
5.70
自引率
17.60%
发文量
2008
审稿时长
62 days
期刊介绍: The International Journal of Advanced Manufacturing Technology bridges the gap between pure research journals and the more practical publications on advanced manufacturing and systems. It therefore provides an outstanding forum for papers covering applications-based research topics relevant to manufacturing processes, machines and process integration.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信