http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Fujie,Koichi,Okada,Mitumasa,Kawashima,Hiroyuki,Okazaki,Minoru 嶺南大學校 環境問題硏究所 1995 環境硏究 Vol.15 No.1
A hollow fiber microfiltration (HMF) membrane featured an unique air-backwashing and a high filtrate flux under a low pressure and a low cross flow rate was successfully incorporated with the aerobic submerged biofilters for the advanced treatment of domestic wastewater. HMF system A in which the wastewater filtrated directly by the HMF membrane was treated by the aerobic submerged biofilter and HMF system B in which the moving bed aerobic biofilter (MBF) was followed by the HMF were proposed and were investigated in terms of the filtrate fluxe, the organic removal, the power consumption and the running cost based on the experimental results. The running cost was comparable with the conventional activated sludge process, whereas the effluent quality was superior than that.
Evaluation of machinability in milling by controlling chip thickness using NC simulation
Makoto Nikawa,Masato Okada,Hiroki Mori,Yasuhiro Fujii,Minoru Yamashita 대한기계학회 2018 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.32 No.10
In this study, the machinability of the machining method for controlling chip thickness during the cutting operation was evaluated using simulation based on NC data. A comparative three-dimensional cutting test with a ball end mill was performed using both original and modified NC data. The modified NC data was created for the purpose of controlling the chip thickness generated when cutting with a constant rotation value and changing the feed rate of the original NC data. The results indicated that the actual chip thickness exceeded that of the calculated value although the thickness fluctuation was suppressed. The results revealed that the maximum cutting force and the fluctuation range of cutting force were low, and tool wear after cutting was suppressed using the modified NC data. The application of the method to the cutting of complicated shapes with high removing volume led to reductions in the cutting time by 31 %.