Optimization of a profile extrusion die for flow balance

2014 ◽  
Vol 15 (4) ◽  
pp. 753-761 ◽  
Author(s):  
Oktay Yilmaz ◽  
Hasan Gunes ◽  
Kadir Kirkkopru
Keyword(s):  
Flow Balance ◽  
Extrusion Die ◽  
Profile Extrusion Die

scholarly journals Optimized Design Method for Profile Extrusion Die Based on NURBS Modeling

2019 ◽  
Vol 20 (8) ◽  
pp. 1733-1741 ◽  
Author(s):  
Guangdong Zhang ◽  
Xiang Huang ◽  
Shuanggao Li ◽  
Tong Deng
Keyword(s):  
Design Method ◽  
Optimized Design ◽  
Extrusion Die ◽  
Profile Extrusion Die

Design and implementation of an integral design CAD system for plastic profile extrusion die

2016 ◽  
Vol 89 (1-4) ◽  
pp. 543-559 ◽  
Author(s):  
Li Li ◽  
Hongtao Tang ◽  
Shunsheng Guo ◽  
Lang Huang ◽  
Yaohua Xu
Keyword(s):  
Cad System ◽  
Design And Implementation ◽  
Extrusion Die ◽  
Plastic Profile ◽  
Profile Extrusion Die

Design, optimization, and manufacturing of a multiple-thickness profile extrusion die with a cross flow

2010 ◽  
Vol 50 (12) ◽  
pp. 2417-2424 ◽  
Author(s):  
A. Rezaei Shahreza ◽  
A.H. Behravesh ◽  
M. Bakhshi Jooybari ◽  
E. Soury
Keyword(s):  
Design Optimization ◽  
Cross Flow ◽  
Thickness Profile ◽  
Extrusion Die ◽  
Profile Extrusion Die

Numerical Investigation of Viscoelastic Flow and Swell Behaviors of Polymer Melts in the Hollow Profile Extrusion Process

2010 ◽  
Vol 97-101 ◽  
pp. 209-213 ◽  
Author(s):  
Yue Mu ◽  
Guo Qun Zhao ◽  
Cheng Rui Zhang
Keyword(s):  
Polymer Melts ◽  
Three Dimensional ◽  
Flow Characteristics ◽  
Extrusion Process ◽  
Viscoelastic Flow ◽  
Extrusion Die ◽  
Element Simulation ◽  
The Mathematical Model ◽  
Profile Extrusion Die ◽  
Streamline Method

The viscoelastic flow and swell behaviors of polymer melts in the profile extrusion process can significantly influence the performance and dimension of the final products. In the study, the viscoelastic flow pattern of a commercial low density polyethylene (LDPE) extruded through out of the hollow profiled extrusion die is investigated by means of finite element simulation. The mathematical model of three-dimensional viscoelastic flow and swell of polymer melts is established with a differential Phan-Thien and Tanner (PTT) constitutive model. A penalty method is employed to solve the non-linear problem with a decoupled algorithm. The computation stability is improved by using the discrete elastic-viscous split stress (DEVSS) algorithm with the inconsistent streamline-upwind (SU) scheme. A streamface-streamline method is introduced to adjust the swelling free surface of the extrudate. The essential viscoelastic flow characteristics of LDPE flowing through out of the hollow profile extrusion die is investigated based on the proposed numerical scheme. Both the redistribution of flow velocity and the release of stress are found to be the reasons for the swell phenomenon.

Sign in / Sign up

Export Citation Format

Share Document