지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
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This study deals with the development of an electrofusion welding machine that is capable of joining plastic pipes using a recently developed electrofusion fitting. This fitting has built-in conductive plastics that are used to weld the joint together as a heating element. In order to explain the mechanism of the new machine, 1) the resistance characteristics of the heating element were explained, 2) the method of electric welding that uses the electrofusion fitting was described, and 3) the method of power supply based on controlling the firing angle was explained. A control system for an intelligent electrofusion welding machine was proposed. This system has the ability to recognize the diameter of an electrofusion fitting using a lookup-table based on the difference of resistance curves according to fitting types, and it is able to weld the fittings regardless of the ambient temperature. A new algorithm was developed to control the power of electric welding through the recognition of feature points from the resistance curve of the heating element. In order to evaluate the performance of the developed welding machine, tests involving the welding of 16 mm- and 20 mm-type fittings were carried out. Examining the welding results, we concluded that the proposed welding machine will offer high productivity and reliability in the field of electrofusion welding.
목차
Abstract
1. 서론
2. 탄소발열체를 이용한 새로운 전기융착법
3. 탄소발열체 이음부속용 융착기
4. 성능시험
5. 결론
References
참고문헌 (10)
참고문헌 신청
V. K. Stokes / 1989 / Joining methods for plastics and plastic composites: An overview / Polym Eng Sci 29(19):1310~1324
D. Grewell / 2007 / Welding of Plastics:Fundamentals and New Developments / IPP 22(1):43~60
1999 / ISO 472:1999, Plastics-Vocabulary / International Organization for Standardization
Plastics Pipe Institute / 2006 / Handbook of Polyethylene Pipe :327~357
M. J. Troughton / 2008 / Handbook of Plastics Joining: A Practical Guide / William Andrew
D. Grewell / 2007 / Welding of Plastics:Fundamentals and New Developments / IPP 22(1):43~60
1999 / ISO 472:1999, Plastics-Vocabulary / International Organization for Standardization
Plastics Pipe Institute / 2006 / Handbook of Polyethylene Pipe :327~357
M. J. Troughton / 2008 / Handbook of Plastics Joining: A Practical Guide / William Andrew
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UCI(KEPA) : I410-ECN-0101-2015-500-002499185