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셸 요소를 적용한 전체 스팸핑 공정의 성형 해석에 관한 연구
정동원(Dong-Won Jung),김동홍(Dong-Hong Kim),김봉천(Bong-Chun Kim) 한국생산제조학회 2011 한국생산제조학회지 Vol.20 No.3
The characteristic of sheet metal process is the few loss of material during process, the short processing time and the excellent price and strength. The static implicit finite element method is applied effectively to analyze stamping processes from using AutoForm software. The simulation analysis can be applied to the membrane elements and shell elements. Membrane elements can be applied to good efficiency, but lower than the accuracy of shell elements. Therefore, simple drawing process applies membrane element, and spring-back and analysis of stamping process are judged that it is most efficient that apply shell element. This study, the simulated results for stamping processes are shown and discussed.
정동원(Dong Won Jung),김동홍(Dong Hong Kim),김봉천(Bong Chun Kim),김동현(Dong Hyeon Kim) Korean Society for Precision Engineering 2012 한국정밀공학회지 Vol.29 No.5
Laser assisted machining is the processing method that preheating brittle materials by laser heat source and cutting the soften area. This processing applied to various industries because it can be cutting difficult-to-cut materials. However, the laser assisted machining appeared the limitations of processing for equipped with the spindle. So, it assumed separate model that spindle and laser assisted machining. In feed, the calculation of changing the angle of the laser module according to preheat point and the shape of the feed is important and it tried easy calculating changing angle of 1-axis Manipulator in separate model. In 3 types feed shape, angle of 1-axis Manipulator was calculated when fixed and moved in the outside of spindle. In this study, suggest 2 types of methods for laser module when fixed and moved.