Results 31 to 40 of about 130,673 (312)

All-position welding control system based on machine vision and nonlinear regression

Advances in Mechanical Engineering, 2021
Aiming at the problems of poor welding quality and low degree of automatic welding on the engineering site, a welding process parameter control method based on machine vision and nonlinear regression technology is proposed.
Yu Tang, Zhongren Wang, Liying Jin, Xilin Ke, Haisheng Liu   +4 more
doaj   +1 more source

Effect of deviation of welding parameters on mechanical properties of X80 steel girth weld

Journal of Materials Research and Technology, 2023
Tensile tests were carried out on X80 steel girth welds with four different parameters (no deviation of welding parameters, inadequate number of welding layers, inadequate preheating temperature and inadequate interpass temperature) under automatic ...
Lixia Zhu, Jinheng Luo, Haidong Jia, Lifeng Li, Wenchang Yu, Yongnan Chen   +5 more
doaj   +1 more source

Shear strength optimization for FSSW AA6060-T5 joints by Taguchi and full factorial design

Journal of Materials Research and Technology, 2020
Statistical tools have shown to be very useful in the optimization of processes such as welding. Optimization is understood as the determination of the welding combinations that will lead to the maximization of a desired property, such as strength.
C.A.G. Aita, I.C. Goss, T.S. Rosendo, M.D. Tier, A. Wiedenhöft, A. Reguly   +5 more
doaj   +1 more source

Control of welding residual stress for dissimilar laser welded materials [PDF]

, 2008
The most common problem of welding dissimilar metals (DMWs) with respect to residual stresses is the differences in the coefficient of thermal expansion and heat conductivity of the two welded metals.
A.G. Olabi, Anawa, Anawa, Anawa, Dawes, E.M. Anawa, Juang, Lu, Masabutchi, Mochizuki, Nickola, Schajer, Sun, Sun, Tarng, Viotti   +15 more
core   +1 more source

Interdependence of Technical and Technological Parameters in Polymer Ultrasonic Welding

Machines, 2022
The welding of foils, textiles, and textile composites made of thermoplastic polymer materials using machines with an ultrasonic rotary sonotrode is a high-tech welding technique.
Dubravko Rogale, Siniša Fajt, Snježana Firšt Rogale, Željko Knezić   +3 more
doaj   +1 more source

Robust process-controller for Nd:YAG welding [PDF]

, 2005
A robust process-controller was developed which maintains a fully penetrated weld. This feedback-controller is robust for various process disturbances that may occur, like variations in sheet thickness, welding velocity, focal position, shielding gas ...
Aarts, R.G.K.M., Graaf, M.W. de, Jonker, J.B., Meijer, J., Olde Benneker, J.   +4 more
core   +2 more sources

Comparative Study Regarding the Welding Behavior of Galvanized Steel Using Laser Welding and Gas Metal Arc Welding Processes

Annals of "Dunarea de Jos" University of Galati, Fascicle XII, Welding Equipment and Technology, 2021
Gas metal arc welding (GMAW) and laser welding are two commonly used joining methods. In this study, these two welding methods were used to join the galvanized sheets.
B. Yavuz, M. Vural
doaj   +1 more source

Nd:YAG laser welding of stainless steel 304 for photonics device packaging [PDF]

, 2011
Although pulsed Nd:YAG laser welding has been widely used in microelectronics and photonics packaging industry, a full understanding of various phenomena involved is still a matter of trials and speculations.
Ali, Jalil, Fadhali, Mohamed M. A. A., Hussain, Mohammad Sakhawat, Nawi, I. N., Saktioto, Saktioto, Yupapin, P. P.   +5 more
core   +1 more source

Optimization of MIG welding parameters

University of Thi-Qar Journal for Engineering Sciences, 2021
Welding is a technique used for joining metal parts usually during the application of heat. There are many types of welding, including an electric arc welding this means that welding is a process in which the electric arc forms a metal work piece and an electrode, which leads to this work to heat the metals and cause them to melt, and connect them with
Noor Hameed Majeed, Hazim Esmaeel Radhi, Hadier J. Abid   +2 more
openaire   +1 more source

Laser–Arc Welding Adaptive Model of Multi-Pre-Welding Condition Based on GA-BP Neural Network

Metals
In large welding structures, maintaining a uniform assembly condition and machined dimension in the pre-welding groove is challenging. The assembly condition and machined dimension of the pre-welding groove significantly impact the selection of the ...
Zesheng Wu, Zhaodong Zhang, Gang Song
doaj   +1 more source