STUDY OF THE SYNERGISTIC EFFECT WHEN SETTING UP AN INVERTER-TYPE WELDING CURRENT SOURCE WITH MICROPROCESSOR CONTROL USING THE EXAMPLE OF THE TPS 2700SMT WELDING MACHINE
DOI:
https://doi.org/10.32718/agroengineering2025.29.151-160Keywords:
MIG/MAG welding, inverter power source, welding process parameters, welding machine settingsAbstract
Inverter-type welding power sources equipped with microprocessor control can facilitate mechanized and automatic welding processes. Modern semi-automatic welding machines are designed to offer synergistic control, which utilizes microprocessor systems (microcontrollers) to select and ensure optimal values for pulse parameters and the type of welding current. This is achieved while considering factors such as the brand, thickness, and properties of the metal being welded, as well as the characteristics of the welding materials, including the diameter and brand of wire and the type and composition of shielding gas. The synergistic effect allows the user to adjust all settings of the welding machine by changing only one parameter of the welding process. However, the information provided in the operating instructions often does not enable the operator to quickly prepare the machine for use. By studying the specific settings for each available welding process, it is possible to develop a clear algorithm detailing the sequence and limits for adjusting the parameters of the power source, along with practical recommendations for preparing it for work.
Experimental studies were conducted to assess the influence of synergism on the parameters of the MIG/MAG welding process. The research focused on the functional capabilities of the TPS 2700 CMT semi-automatic machine across various modes, including Standard, Synergic, Pulse Synergic, and Cold Metal Transfer. Additionally, the study examined how welding process parameters affect the quality of welds.
Through this investigation, the specific features of setting up each available welding process were analyzed, and the influence of synergism on the adjustment of necessary welding source parameters was assessed. The limits for adjusting these parameters were established, and relationships were defined showing how the parameters of the welding source impact the efficiency and quality of the welding process. It was found that the values of welding current, wire feed speed, and welding voltage are closely related to the thickness of the welded parts and the diameter of the wire. These relationships exhibit different characteristics for various welding modes. Furthermore, the studied parameters significantly influence the shape and dimensions of the welds.
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