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윤을용(Eul-Yong Yun),권종완(Jong-Wan Kwon),김해원(Hae-Won Kim),김재권(Jai-Gueon Kim) 한국트라이볼로지학회 2008 한국트라이볼로지학회 학술대회 Vol.2008 No.11
Recently, the enterprises solve like this problem, for a cost saving the amount used minimization of the water soluble cutting oil they research. The results are applied from the enterprise. The method which minimizes the use of the water soluble cutting oil is dry processing, MQL(Minimum Quantity Lubrication) and compressed cold air use method. And, according to quality of material of the work the tool wear and surface roughness changes. Researched processing quality from this dissertation. Uses TiN coated hardmetal tool and experimented the quality of material which is various in 4 methods(Dry, MQL, -30℃ Cold air, coolant). Experimented and got the next result. The material where the cut heat is high when metalworking-oil or cold air applying, was visible the tendency where the tool wear quantity comes to be few. And, MQL of the lubricating efficiency which is excellent or coolant compared in different cooling system and was visible the tendency where the surface roughness result gets better.
김재권(Jai-gueon Kim),권종수(Jong-su Kwon),신성철(Seoung-chul Shin),윤을용(Eul-Yong Yun) 한국트라이볼로지학회 2007 한국트라이볼로지학회 학술대회 Vol.2007 No.6
This research studied mist metal-working process oil's manufacture and performance experiment. This is product for MQL system that use cold-air of new processing of a metal technology. MQL processing method is sprinkling lubrication oil with high speed in microscopic mist state in processing point, that can improve lubrication performance and processing performance and minimize amount used processing method. Advantage of this processing method is worker’s health protection and improvement of working environment, effect of economy of expenditure. But, various kinds problem of depression of existent vegetable oil, liquid Paraffin, Fatty acid Ester is happening with low temperature flow performance and lubrication performance problem. In this research, use Linear Alpha Olefin Oligomers and Base acid ester mixture by base oil. And made product of good performance because using function improvement admixture of minimum quantity. Choose correct item to product and executed a performance experiment. Showed good performance than mist metal-working process oil that do test result, Fatty acid ester by base oil.