2019 Volume 20 Issue 2 Pages 35-40
A pasta extrusion die is subjected to stresses in several directions when pasta is extruded. Estimating this stress numerically and correctly is useful to design high-performance and high-efficiency pasta dies and machines. Therefore, DEFORM-3D finite element simulation software is used to measure the stress on a die and to visualize the pasta material flow. DEFORM-3D is commonly used in the plastic processing field. Some important results obtained from this study are the following: (1) The deformation resistance function is σ=0.033 MPa. (2) Stress distribution of the die can be calculated numerically and visualized clearly. The die hole edge shows the maximum equivalent stress, σeq=18.3 MPa. (3) Flow of the pasta in the container is also visualized clearly. (4) The flow rate for other die holes is obtained quantitatively. This knowledge is useful for pasta die and machine design.