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초대형 Butterfly Valve의 구조 안전성 평가를 위한 유동 구조 연성해석
이성민(S. M. Lee),하민수(M. S. Ha),송용석(Y.S Song),박영철(Y C Park) 한국기계가공학회 2008 한국기계가공학회 춘추계학술대회 논문집 Vol.2008 No.-
This paper presents a Finite Element Analysis (FEA) developed using the commercial software ANSYS, and presents predicted contact pressure between Disc and Metal seat to estimate the sealing effect during closure. The result shows that this sealing mechanism using metal seat could satisfy the need for sealing well, and the metal seat is very safe under general conditions.
박동삼(D. S. Park),김정근(J. K. Kim),성은제(E. J. Seong),한진용(J. Y. Han),하민수(M. S. Ha) 한국생산제조학회 2005 한국공작기계학회 추계학술대회논문집 Vol.2005 No.-
Sandblasting, a conventional technique which has been used for paint or scale removing, deburring, and glass decorating, has recently been developed into a powder blasting technique for brittle materials, which is capable of producing micro structures larger than 100㎛. This paper describe examples of applications of powder blasting technique for various mechanical parts production.
박동삼(D. S. Park),김정근(J. K. Kim),성은제(E. J. Seong),한진용(J. Y. Han),하민수(M. S. Ha) 한국생산제조학회 2005 한국공작기계학회 추계학술대회논문집 Vol.2005 No.-
Powder blasting technique is introduced to micromachine the micro pattern of LGP mould. The LGP mould with dot pattern is machined by using powder blasting. The machinability of circular and rectangular pattern by powder blasting is verified. Then a prototype of LGP is injected by the developed LGP mould with micro dot pattern. Shape analysis of dot pattern and performance of the injected LGP are verified. The results showed printless LGP with dot pattern could be produced by just single injection using the mould with micro dot pattern, and powder blasting technique could be successfully applied to micromachining of micro dot pattern of LGP.