롤포밍 가공 공정은철판성형 가공 방법 중에 아주중요한가공 방법이다. 냉간형성된제품의 성형방법은여러가지가있지만고효율, 에너지절감, 고품질등에따라다양한공정이있지만가장많은장점을갖는공정이롤포밍 공정이다.
롤포밍가공법은제품성형과정에서판을인장과압축변형을발생시키며마찰열도많이발생한다. 롤포밍 가공중에재료자체의경도와재료의두께등도많은영향을미치기때문에해석의오차가많이발생하여어려운분야이다. 롤포밍의규칙적인성행을파악하고가공품질향상, 제품결함예측및재료특성연구를할수있도록 비선형유한요소소프트웨어 ANSYS를이용해서롤포밍공정의응력분포와철판의변형량을예측하였다. 그리고 해석 결과 정확성을 위해 ...
롤포밍 가공 공정은철판성형 가공 방법 중에 아주중요한가공 방법이다. 냉간형성된제품의 성형방법은여러가지가있지만고효율, 에너지절감, 고품질등에따라다양한공정이있지만가장많은장점을갖는공정이롤포밍 공정이다.
롤포밍가공법은제품성형과정에서판을인장과압축변형을발생시키며마찰열도많이발생한다. 롤포밍 가공중에재료자체의경도와재료의두께등도많은영향을미치기때문에해석의오차가많이발생하여어려운분야이다. 롤포밍의규칙적인성행을파악하고가공품질향상, 제품결함예측및재료특성연구를할수있도록 비선형유한요소소프트웨어 ANSYS를이용해서롤포밍공정의응력분포와철판의변형량을예측하였다. 그리고 해석 결과 정확성을 위해 시뮬레이션 조건을 이용해서 실제 롤 포밍 장치를 제작하여 실험결과와 비교 분석하였는데, 시뮬레이션 결과와 실제 결과 비교 오차는 2.5%와 매우 잘 일치하였다. 검증실험을통해서 ANSYS 유한요소결과의정확성을확인할수있었으며, 최대변위결과를통해서실제가공과정중에균열이발생하는것을예방할수있었고, 임의의곡면제품을위한롤포밍공정에서본연구의시뮬레이션연구를통하여더욱정밀한제품을얻을수있는바탕을마련하였다.
롤포밍 가공 공정은철판성형 가공 방법 중에 아주중요한가공 방법이다. 냉간형성된제품의 성형방법은여러가지가있지만고효율, 에너지절감, 고품질등에따라다양한공정이있지만가장많은장점을갖는공정이롤포밍 공정이다.
롤포밍가공법은제품성형과정에서판을인장과압축변형을발생시키며마찰열도많이발생한다. 롤포밍 가공중에재료자체의경도와재료의두께등도많은영향을미치기때문에해석의오차가많이발생하여어려운분야이다. 롤포밍의규칙적인성행을파악하고가공품질향상, 제품결함예측및재료특성연구를할수있도록 비선형유한요소소프트웨어 ANSYS를이용해서롤포밍공정의응력분포와철판의변형량을예측하였다. 그리고 해석 결과 정확성을 위해 시뮬레이션 조건을 이용해서 실제 롤 포밍 장치를 제작하여 실험결과와 비교 분석하였는데, 시뮬레이션 결과와 실제 결과 비교 오차는 2.5%와 매우 잘 일치하였다. 검증실험을통해서 ANSYS 유한요소결과의정확성을확인할수있었으며, 최대변위결과를통해서실제가공과정중에균열이발생하는것을예방할수있었고, 임의의곡면제품을위한롤포밍공정에서본연구의시뮬레이션연구를통하여더욱정밀한제품을얻을수있는바탕을마련하였다.
Roll forming is one of the most important ways to shape steel plate, and it occupies a very important position in manufacturing. Compared with conventional molding techniques, roll forming has certain advantages in metal materials cross-section and sheet forming, but it is less efficient. Roll formi...
Roll forming is one of the most important ways to shape steel plate, and it occupies a very important position in manufacturing. Compared with conventional molding techniques, roll forming has certain advantages in metal materials cross-section and sheet forming, but it is less efficient. Roll forming process is severe deformation technology, so it is very complicated. Forming process includes material nonlinearity and other boundary state. By using the finite element simulation analysis in theory of material mechanics, the material principle in elastic material is formed. At the same time, theoretical analysis of elasticity’s instability is formed. Therefore, the use of roll forming and forming simulation of finite element can measure and study the deformation in sheetforming.This paper analyzes basic theory of mechanics for roller material forming, the elastic instability and plastic instability theory for material forming and finite element simulation algorithm, carries out research on mechanism for sheet roller forming and finite element method, and predicts the deformation of the sheet in roller forming. Aiming at the sheet metal forming process, this paper selects large nonlinear finite element software ANSYS to complete finite element modeling in the target forming process, verifies the effectiveness of the established roller forming simulation through comparison of simulation result and experimental target by the shape of the cross section, and analyzes the finite element result and the parameters in obtained material data such as material stress, equivalent plastic strain and thickness of sheet, etc. in finite element of material data, to prove that sheet has significance in precision of roller finite element simulation.
Roll forming is one of the most important ways to shape steel plate, and it occupies a very important position in manufacturing. Compared with conventional molding techniques, roll forming has certain advantages in metal materials cross-section and sheet forming, but it is less efficient. Roll forming process is severe deformation technology, so it is very complicated. Forming process includes material nonlinearity and other boundary state. By using the finite element simulation analysis in theory of material mechanics, the material principle in elastic material is formed. At the same time, theoretical analysis of elasticity’s instability is formed. Therefore, the use of roll forming and forming simulation of finite element can measure and study the deformation in sheetforming.This paper analyzes basic theory of mechanics for roller material forming, the elastic instability and plastic instability theory for material forming and finite element simulation algorithm, carries out research on mechanism for sheet roller forming and finite element method, and predicts the deformation of the sheet in roller forming. Aiming at the sheet metal forming process, this paper selects large nonlinear finite element software ANSYS to complete finite element modeling in the target forming process, verifies the effectiveness of the established roller forming simulation through comparison of simulation result and experimental target by the shape of the cross section, and analyzes the finite element result and the parameters in obtained material data such as material stress, equivalent plastic strain and thickness of sheet, etc. in finite element of material data, to prove that sheet has significance in precision of roller finite element simulation.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.