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The study discussed in the article aimed to compare the high-performance robotic MAG TANDEM process with the partly mechanised MAG STANDARD process. Experimental tests involved comparisons concerning the heat effect of the dual-electrode MAG TANDEM process with that accompanying the single-electrode MAG STANDARD process. The tests also included comparisons of linear welding energy (heat input) and...
Because of the unique combination of their properties, nanobainitic steels containing Si are particularly attractive materials for use in gear manufacturing. However, in order to achieve desired results, it is first necessary to obtain a surface of sufficient hardness (i.e. to increase the hardness of the surface layer using surface hardening techniques). One of such techniques is electron beam hardening...
The study discussed in the article aimed to analyse the effect of the peening of each bead on properties of butt joints made of steel S960QL and welded using the robotic MAG welding method (135) and a ceramic backing strip. In addition, the objective of the study was to identify the effect of the peening treatment on the level of stresses. The analysis involved the comparison of three butt joints...
The fabrication of steel structures imposes on the manufacturer obligations to comply with requirements of appropriate standards and regulations. This article discusses examples of German market requirements applying to the fabrication of civil engineering structures (made of steel) in accordance with the German ZTV-ING regulations. In addition, the article provides examples of requirements concerning...
Special rims belong to structural elements determining the safety and service life of vehicles. Because of the fact that welded joints are integral parts of rims, the quality of the former affects the service life of the entire element. In turn, welding, as a special process, is decisive for the quality of joints. Advanced high-performance welding methods (such as laser or hybrid welding) can increase...
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