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Preliminary communication

Design of an insert type induction heating and cooling system for injection moulding processes

Yu-Ting Sung ; Department of Mechanical Engineering, National Cheng Kung University, No. 1, University Road, Tainan City 701, Taiwan
Sheng-Jye Hwang ; Department of Mechanical Engineering, National Cheng Kung University, No. 1, University Road, Tainan City 701, Taiwan

Fulltext: english, pdf (2 MB) pages 651-656 downloads: 1.720* cite
APA 6th Edition
Sung, Y. & Hwang, S. (2014). Design of an insert type induction heating and cooling system for injection moulding processes. Tehnički vjesnik, 21 (3), 651-656. Retrieved from https://hrcak.srce.hr/123353
MLA 8th Edition
Sung, Yu-Ting and Sheng-Jye Hwang. "Design of an insert type induction heating and cooling system for injection moulding processes." Tehnički vjesnik, vol. 21, no. 3, 2014, pp. 651-656. https://hrcak.srce.hr/123353. Accessed 23 Aug. 2019.
Chicago 17th Edition
Sung, Yu-Ting and Sheng-Jye Hwang. "Design of an insert type induction heating and cooling system for injection moulding processes." Tehnički vjesnik 21, no. 3 (2014): 651-656. https://hrcak.srce.hr/123353
Harvard
Sung, Y., and Hwang, S. (2014). 'Design of an insert type induction heating and cooling system for injection moulding processes', Tehnički vjesnik, 21(3), pp. 651-656. Available at: https://hrcak.srce.hr/123353 (Accessed 23 August 2019)
Vancouver
Sung Y, Hwang S. Design of an insert type induction heating and cooling system for injection moulding processes. Tehnički vjesnik [Internet]. 2014 [cited 2019 August 23];21(3):651-656. Available from: https://hrcak.srce.hr/123353
IEEE
Y. Sung and S. Hwang, "Design of an insert type induction heating and cooling system for injection moulding processes", Tehnički vjesnik, vol.21, no. 3, pp. 651-656, 2014. [Online]. Available: https://hrcak.srce.hr/123353. [Accessed: 23 August 2019]
Fulltext: croatian, pdf (2 MB) pages 651-656 downloads: 136* cite
APA 6th Edition
Sung, Y. & Hwang, S. (2014). Projekt sustava zagrijavanja i hlađenja umetanjem indukcijske zavojnice u postupcima kalupljenja uštrcavanjem. Tehnički vjesnik, 21 (3), 651-656. Retrieved from https://hrcak.srce.hr/123353
MLA 8th Edition
Sung, Yu-Ting and Sheng-Jye Hwang. "Projekt sustava zagrijavanja i hlađenja umetanjem indukcijske zavojnice u postupcima kalupljenja uštrcavanjem." Tehnički vjesnik, vol. 21, no. 3, 2014, pp. 651-656. https://hrcak.srce.hr/123353. Accessed 23 Aug. 2019.
Chicago 17th Edition
Sung, Yu-Ting and Sheng-Jye Hwang. "Projekt sustava zagrijavanja i hlađenja umetanjem indukcijske zavojnice u postupcima kalupljenja uštrcavanjem." Tehnički vjesnik 21, no. 3 (2014): 651-656. https://hrcak.srce.hr/123353
Harvard
Sung, Y., and Hwang, S. (2014). 'Projekt sustava zagrijavanja i hlađenja umetanjem indukcijske zavojnice u postupcima kalupljenja uštrcavanjem', Tehnički vjesnik, 21(3), pp. 651-656. Available at: https://hrcak.srce.hr/123353 (Accessed 23 August 2019)
Vancouver
Sung Y, Hwang S. Projekt sustava zagrijavanja i hlađenja umetanjem indukcijske zavojnice u postupcima kalupljenja uštrcavanjem. Tehnički vjesnik [Internet]. 2014 [cited 2019 August 23];21(3):651-656. Available from: https://hrcak.srce.hr/123353
IEEE
Y. Sung and S. Hwang, "Projekt sustava zagrijavanja i hlađenja umetanjem indukcijske zavojnice u postupcima kalupljenja uštrcavanjem", Tehnički vjesnik, vol.21, no. 3, pp. 651-656, 2014. [Online]. Available: https://hrcak.srce.hr/123353. [Accessed: 23 August 2019]

Abstracts
For some injection moulding processes, the tool must be kept at high temperature when injecting plastic melt. Conventionally, this is achieved by heating the tool with hot oil or water, but heating the entire tool will cause unnecessary energy consumption. Previous studies show that using external induction in order to heat the surface of injection moulding tools is both rapid and energy efficient. However, while using a robot to put the heating coil in front of a tool cavity is very convenient, the tool must be open until heating is finished, making the injection cycle time longer. In addition, repeatedly making the tool surface exposed to too high and low temperatures may quickly damage it. The use of an insert type induction heating coil has thus been proposed to address this issue. Since the heated mass with insert type induction heating is a lot greater than with coil of external induction heating, the former has a slower heating rate on the tool surface, thus extending the life of the tool. In this approach, a coil can heat the tool during the tool opening and ejection process and a cooling channel can also be used to avoid interference with the coil inside the tool, as well as to enable cooling on the cavity surface. This study thus proposes a new tool structure, and a two-cavity tool was fabricated to verify the design concept. The results of a set of experiments show that the coil could heat the tool and achieve temperature uniformity of about 91 %, while the heating rate was about 3 °C/s.

Keywords
electromagnetic induction heating; insert type coil; temperature uniformity; tool surface temperature

Hrčak ID: 123353

URI
https://hrcak.srce.hr/123353

[croatian]

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