Extrusion & Post
14 visualizaciones
EMA Extruded Profile Bending Deformation
Fenómeno del problema
EMA extruded profiles continuously bend after cooling, bending amount >5mm/m
Análisis de la causa
Uneven cooling of each face of the profile causes shrinkage differences; uneven die discharge flow speed makes the wall thicknesses of the profile different; haul-off and extrusion centerlines not aligned, producing lateral force
Solución
1) Optimize the cooling system to ensure uniform cooling of each face; 2) Adjust the die to make the flow speed of each wall uniform and the wall thickness consistent; 3) Align the haul-off and extrusion centerlines; 4) Increase sizing sleeve length, cool after full sizing
Conclusión clave
Profile bending is caused by uneven cooling and uneven flow speed; uniformization and alignment are the key to solving it
¿Le ha resultado útil?
0 personas encontraron esto útil
¡Gracias por sus comentarios!