| THE PREDICTION OF CASE FURNITURE DEFLECTION |
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| 作者姓名： | Cai Liping Yu Songbao Northeast Forestry University Guo Xiqiang Lushuihe Forest Burcau of Jilin Province |
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| 摘 要： | In this paper we used finite element method(FEM)to prediet case furniture de-flection.We dispersed and analyzed furniture which made of particleboard by elastic plate elements.The corner joint of case furniture is a key problem during the calculation by FEM.We assumed thatsmall elements which located near corner joints were semi—rigid elements.Then we obtained the fab-ricated modulus of elasticity of the semi-rigid elements by individual corner joint experimcnts.Weused four kinds of particleboard and two kinds of corner joint t forms to make up eleven cases.Thedisplacement of some typical points under each load measured by the Furniture Strength Test Ma-chine.Then we compared the displacements of measurcments with that of calculations,the errorswere usually within 30 percent.Results of this study indicated that the deflection of case furniturecould be calculated by using FEM,and proved that the program could be used for predicting casefurniture deflection reliably.
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| 收稿时间： | 18 November 1991 |
The prediction of case furniture deflection |
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| Cai Liping Yu Songbao,Northeast Forestry University,Guo Xiqiang,Lushuihe Forest Burcau of Jilin Province.THE PREDICTION OF CASE FURNITURE DEFLECTION[J].Journal of Forestry Research,1992,3(1):68-74. |
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| Authors: | Cai Liping Yu Songbao Guo Xiqiang |
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| Institution: | Cai Liping Yu Songbao
Northeast Forestry University
Guo Xiqiang
Lushuihe Forest Burcau of Jilin Province |
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| Abstract: | In this paper we used the finite element method (FEM) to predict case furniture deflection. We dispersed and analyzed furniture which made of particlcboard by elastic plate elements. The corner joint of case furniture is a key problem during the calculation by FEM. We assumed that small elements which located near corner joints were semi-rigid elements. Then we obtained the fabricated modulus of elasticity of the semi-rigid elements by individual corner joint experiments. We used four kinds of particlcboard and two kinds of corner joint forms to make up eleven cases. The displacement of some typical points under each load measured by the Furniture Strength Test Machine. Then we compared the displacements of measurements with that of calculations, the errors were usually within 30 percent. Results of this study indicated that the deflection of case furniture could be calculated by using FEM, and proved that the program could be used for predicting case furniture deflection reliably. |
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| Keywords: | Deflection Corner joint Finite clement method (FEM) |
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