Forming-based geometric correction methods for thin-walled metallic components: a selective review

X Zhou, J Ma, W Zhou, T Welo - The International Journal of Advanced …, 2023 - Springer
Geometric correction processes contribute to zero-defect manufacturing for improved
product quality. Thin-walled metallic components are widely used in numerous applications …

Forming characteristics of thin-walled tubes manufactured by free bending process-based nontangential rotation bending die

S Hu, C Cheng, A Abd El-Aty, S Zheng, C Wu… - Thin-Walled …, 2024 - Elsevier
The free-bending process of a metal tube involves a geometric relationship between the
eccentricity, the rotation angle of the bending die, the deformation zone length, and the …

Predicting the wrinkling in AA5052 seamless tubes manufactured by free bending forming technology

C Pan, C Cheng, A Abd El-Aty, J Wang, J Tao… - Journal of Manufacturing …, 2023 - Elsevier
Wrinkling is a significant defect during forming of thin-walled metallic tubes via free-bending
forming (FBF) technology. Thus, it's quite important to predict the wrinkling in the tubes to …

[HTML][HTML] Influence of deformation zone length on bending radius of SS304 tubes with small diameters manufactured via free bending-based active motion

HU Shenghan, C Cheng, A Abd EL-ATY… - Chinese Journal of …, 2023 - Elsevier
In three and six-axis free-bending equipment, the deformation zone length (A) is a fixed
mechanical structure parameter modified when the relevant structure is redesigned and …

Modeling and Experimental Investigation of UR Relationship of AA6061-T6 Tubes Manufactured via Free Bending Forming Process

A Abd El-Aty, C Cheng, Y Xu, Y Hou, J Tao, S Hu… - Materials, 2023 - mdpi.com
Forming tubes with various bending radii without changing the bending dies is much easier
for the 3D free bending forming (FBF) process. In the 3D-FBF process, different bending radii …

A system identification and implementation of a soft sensor for freeform bending

SC Stebner, D Maier, A Ismail, S Balyan, M Dölz… - Materials, 2021 - mdpi.com
The primary goal of this study is the formulation of a soft sensor that predicts industrially
relevant mechanical properties for freeform bending. This serves as the foundation of a …

[HTML][HTML] Monitoring the evolution of dimensional accuracy and product properties in property-controlled forming processes

SC Stebner, J Martschin, B Arian, S Dietrich… - Advances in Industrial …, 2024 - Elsevier
As recent trends in manufacturing engineering disciplines show a clear development in the
sustainable as well as economically efficient design of forming processes, monitoring …

Extension of a simulation model of the freeform bending process as part of a soft sensor for a property control

SC Stebner, D Maier, A Ismail, M Dölz… - Key Engineering …, 2022 - Trans Tech Publ
This work introduces an Abaqus CAE simulation model and its validation for freeform
bending with movable die, which is extended in the simulation of a weld seam for the …

Control system design for a semi-finished product considering over-and underbending

A Ismail, D Maier, S Stebner, W Volk… - Engineering …, 2022 - mdpi.com
In the last decades, the application of automatic control techniques in freeform bending
processes was limited to the motion control of the bending die, ie, the workpiece itself was …

A structure for the control of geometry and properties of a freeform bending process

A Ismail, D Maier, S Stebner, W Volk, S Münstermann… - IFAC-PapersOnLine, 2021 - Elsevier
Today, in production shaping processes, the application of closed loop control is often
limited to controlling the geometry. For freeform bending processes the geometric deviations …