Open AccessStructure Analysis and Optimization Design of FDM Wire Extruder Screw
Author(s) -
Bin Li,
Peng Zhang,
Hairong Gu,
Jie Jiang,
Jianhua Sun,
Yuanyuan Xu,
Jie Zhang
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1802/2/022003
Subject(s) - plastics extrusion , extrusion , groove (engineering) , materials science , enhanced data rates for gsm evolution , metering mode , finite element method , composite material , mechanical engineering , shear (geology) , extrusion moulding , structural engineering , engineering , metallurgy , telecommunications
In order to improve the melt extrusion efficiency and extrusion stability of FDM wire extruder, ANSYS finite element software was used to analyze the flow field of the extruder screw. The effect of screw pitch, depth of screw groove, width of screw edge and length of metering section on velocity field, pressure field, temperature field and shear rate were studied by orthogonal test method, and the optimal combination of factors was obtained, then the optimized screw was tested and verified. The results show that when the screw pitch is 15mm, the depth of screw groove is 1.3mm, the width of screw edge is 1.5mm and the length of measuring section is 85mm, the wire extruder of FDM is smooth, efficient and safe.