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쿨링용 슬레트 핀 M/C Form Roll의 Roll Stand부 마찰 특성
최원식(Wonsik Choi),이성용(Sungyong Lee),권주리(Jury Kwon),진은영(Eunyoung Jin),문희준(Heejoon Mun),이인(In Lee) 한국트라이볼로지학회 2010 한국윤활학회지(윤활학회지) Vol.26 No.1
This study investigates the friction of the roll stands in the high performance multi- holes slate fin machine which pin is using in heat transfer of radiator, oil cooler, inter cooler, condenser and evaporator. The roll stand part is very important to maintain the high performance fin machine. This multi-holes form roll type is the first time in our country so it will be helpful to increases the export and product of heat transfer. It was include the technical of form rolling system which was self development. Then it will be improve the electric home appliances, future motor vehicle device and industrial machine.
최원식(Wonsik Choi),김원구(Wongu Kim),권주리(Jury Kwon) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
Our teeth was one of the most important internal organ, Whenever we chewing the food and drink something our teeth undergo various influences on the wearing. In this study we tested the gold alloy dental prosthesis in several lubricant- cola, soju, coffee, toothpaste and milk of the various speed and load conditions. In case of the toothpaste the friction coefficient was very lower and the coffee was the worst in the wearing.
쿨링용 Pin 성형M/C Roll Stand부의 강성해석에 관한 연구
최원식(Won-Sik Choi),이성용(Seong-Yong Lee),손재환(Jae-Hwan Son),문희준(Hee-Joon Mun),이인(Ihn Lee),진은영(Eun-Young Jin),권주리(Jury Kwon) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
The purpose of this study was an analysis of roll stand part in cooling pin forming machine. The pin was widely using in radiator, oil cooler. inter cooler, condenser, evaporator and so on. The forming machine was produced high efficiency and more quality than press type of that. This type machine was first time in our country so it will be very helpful to increase the export and product of heat transfer. The result of the stress analysis for the roll stand prat in cooling pin forming machine was very safe and stable.