제 10 장 폴리머 가공 (4) - 사출 CAE -. Topic: 폴리머 점도모델 1. Power law model 2. (Moldflow) second order model 3. Carreau model.

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Presentation transcript:

제 10 장 폴리머 가공 (4) - 사출 CAE -

Topic: 폴리머 점도모델 1. Power law model 2. (Moldflow) second order model 3. Carreau model

Extrapolation of viscosity data

Shear rate, temp., viscosity Across Cavity… Fluidity

PVT-thermodynamic relationships Coef. Volume expansion Isothermal compressibility

PVT plots PVT plots

Topic: 충전과정

1. 충전 (filling) 및 보압 (packing) 1. 충전 (filling) 및 보압 (packing) Topic:CAE-moldflow

Topic:CAE-moldflow 2. 변형해석 2. 변형해석

2. 변형해석 (cont’d) - warpage 2. 변형해석 (cont’d) - warpage

3. Runner system design 3. Runner system design Topic:CAE-moldflow

4. Mold cooling 4. Mold cooling Topic:CAE-moldflow

5. Insert overmolding 5. Insert overmolding Topic:CAE-moldflow

6. Co-injection molding 6. Co-injection molding Topic:CAE-moldflow

7. CAD solid models 7. CAD solid models Topic:CAE-moldflow

7. 3D simulations, Midplane meshes 7. 3D simulations, Midplane meshes Topic:CAE-moldflow

<Refs.> P. Kennedy “Flow Analysis Reference Manual”, Moldflow Pty. Ltd., “Simulation Moldflow 2013-Detailed Brochure”.