[HTML][HTML] Extreme gradient boosting-inspired process optimization algorithm for manufacturing engineering applications

S Lee, J Park, N Kim, T Lee, L Quagliato - Materials & Design, 2023 - Elsevier
Abstract Design and process optimization are key aspects of manufacturing engineering.
This contribution details a machine learning (ML) methodology capable of learning from …

An improved process for grain refinement of large 2219 Al alloy rings and its influence on mechanical properties

H He, Y Yi, S Huang, Y Zhang - Journal of Materials Science & Technology, 2019 - Elsevier
The large 2219 Al alloy rings used to connect propellant tank components of a satellite
launch vehicle to each other are conventionally manufactured by radial-axial ring rolling at …

Prediction of ductile fracture in skew rolling processes

Z Pater, J Tomczak, T Bulzak, Ł Wójcik… - International Journal of …, 2021 - Elsevier
This paper begins with a review of the literature regarding the modelling of skew rolling
processes, with a special focus on the problem of material fracture. Numerical modelling is …

Forming of rail car axles in a CNC skew rolling mill

Z Pater, J Tomczak, K Lis, T Bulzak, X Shu - Archives of Civil and …, 2020 - Springer
This study relates to an innovative method for forming rail car axles by skew rolling in a CNC
3-roll mill. The rolling mill was constructed at the Lublin University of Technology. The use of …

An innovative radial envelope forming method for manufacturing thin-walled cylindrical ring with inner web ribs

X Han, L Hua, L Peng, W Feng - Journal of Materials Processing …, 2020 - Elsevier
Thin-walled cylindrical rings with inner web ribs (TCRIWR) are widely used in aerospace
industries owing to its lightweight, high stiffness and high bearing capacity. At present …

Constraining ring rolling of thin-walled conical rings with transverse ribs

D Tian, X Han, L Hua, X Wang, F Chen - International Journal of …, 2022 - Elsevier
As critical load-bearing components of aerospace equipment, thin-walled conical rings with
inner transverse ribs (TWCRITR) are widely used for manufacturing rocket body, aircraft …

[HTML][HTML] An innovative constraining ring rolling process for manufacturing conical rings with thin sterna and high ribs

T Duanyang, HAN Xinghui, HUA Lin… - Chinese Journal of …, 2022 - Elsevier
Conical rings with thin sterna and high ribs (CRTSHR) are key bearing-load parts of
aerospace equipment, which are required to be manufactured with high performance and …

Analysis of the use of variable angular parameter tools in cross-wedge rolling

Z Pater, J Tomczak, T Bulzak, Z Li - Journal of Manufacturing Processes, 2022 - Elsevier
This paper proposes novel tools for cross-wedge rolling (CWR). Previously used standard
tools have a flat forming surface described by two angles, ie the forming angle α and the …

Machine learning-based models for the estimation of the energy consumption in metal forming processes

I Mirandola, GA Berti, R Caracciolo, S Lee, N Kim… - Metals, 2021 - mdpi.com
This research provides an insight on the performances of machine learning (ML)-based
algorithms for the estimation of the energy consumption in metal forming processes and is …

Evaluation of the roll elastic deformation and thermal expansion effects on the dimensional precision of flat ring rolling products: A numerical investigation

IS Pressas, S Papaefthymiou, DE Manolakos - … Modelling Practice and …, 2022 - Elsevier
Ring rolling is a near-net shape forming process that produces ring products with relatively
good dimensional accuracy. Two main factors that lower the precision of the final products …