National Natural Science Foundation of China (59975076, 50175092);National Science Fund of China for Distinguished Young Scholars (50225518)
Tube thinning control without wrinkling occurring is a key problem urgently to be solved for improving the forming qualities in numerical control (NC) bending processes of large-diameter Al-alloy thin-walled tubes ...
supported by the National Natural Science Foundation of China (Grant Nos. 59975076, 50175092, 50905144);the National Science Found of China for Distinguished Young Scholars (Grant No. 50225518)
With increasing diameters of aluminum alloy thin-walled tubes (AATTs), the tube forming limits, i.e. the minimum bending factors, and their predictions under multi-index constraints including wrinkling, thinning and f...
Project(50225518) supported by the National Science Foundation of China for Distinguished Young Scholars;Project(59975076, 50175092) supported by the National Natural Science Foundation of China;Project(04H53057) supported by the Aviation Science Foundation of China
Numerical control(NC) bending experiments with different process parameters were carried out for 5052O aluminum alloy tubes with outer diameter of 70 mm, wall thickness of 1.5 mm, and centerline bending radius of 105 ...
Projects (59975076 and 50175092) supported by the National Natural Science Foundation of China;Project (50225518) by the National Science Found of China for Distinguished Young Scholars;Project by the Teaching and Research Award Program for Outstanding Young Teachers in Higher Education Institutions of MOE, PRC;Project (20020699002) by the Specialized Research Fund for the Doctoral Program of Higher Education of MOE, PRC;Project (04H53057) by Aviation Science Foundation
The wrinkling has become the main defect in the thin-walled tube NC bending process. In the study, a dynamic explicit FE model for aluminum alloy thin-walled tube NC bending process is developed to predict the wrinkli...