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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 11    No. 5    October 2001

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Simulation of droplet transfer process and
current waveform control of CO2 arc welding
YU Jian-rong(俞建荣), WU Li-zhi(吴立志)

Department of Mechanical Engineering and Automation,
Beijing Institute of Petrochemical Technology,
Beijing 102600, P.R.China

Abstract: A simulation system used in the arc welding short-circuit transfer process and current waveform control process was developed in this paper. The simulation results are basically consistent with welding technical experiments. The simulation system can be used to simulate and test the current waveform control parameters with welding variables. By this simulation system, the influence regularities of the current waveform control parameters in the CO2 arc welding droplet short-circuit transfer process can be got. Moreover, the basic mode of real-time current waveform control can be also established by the simulation testing.

 

Key words:  CO2 arc welding; droplet transfer; current waveform control; computer simulation

ISSN 1672-7029
CN 43-1423/U

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