The Technological, Economic, and Strength Aspects of High-Frequency Buried Arc Welding Using the GMAW Rapid HF Process
Krzysztof Kudła, Krzysztof Makles, Józef Iwaszko
TL;DR
This paper introduces a high-frequency welding process that achieves deep penetration and strong joints while saving up to 80% in filler material.
Contribution
The novel GMAW Rapid HF process enables deep penetration welding with significant material savings and high joint strength.
Findings
The GRHF process achieves deep penetration welds without imperfections that reduce joint quality.
Using GRHF reduces filler material consumption by up to 80% while maintaining high joint strength.
Optimized welding parameters improve arc stability and weld pool formation for stronger joints.
Abstract
One of the prospective methods of robotic welding with a consumable electrode in shield gas metal arc welding is the GMAW Rapid HF process (GRHF, HF-high frequency), in which welded joints with deep penetration welds are obtained thanks to the specially programmed welding characteristics of the arc. A pulsed frequency equalized to 5000 Hz was used to achieve consumable electrode arc stabilization and improve penetration. This work consists of two main sections, including the research and analysis of wire electrode melting and weld pool formation in the innovative GRHF process and its influences on joint strength and the economic advantages of welding. As a result of our research and strength tests, as well as an image analysis of phenomena occurring in the welding arc and weld pool, assumptions were developed about the use of the GRHF process, which is characterized by deep penetration…
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Taxonomy
TopicsWelding Techniques and Residual Stresses · Engineering and Environmental Studies · Metal Alloys Wear and Properties