A method for matching control of burn-back energy for digital welding machines
A technology of energy matching and control method, which is applied in the field of arc welding and can solve problems such as low welding quality
Active Publication Date: 2021-01-29
PANASONIC WELDING SYST TANGSHAN
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Problems solved by technology
[0005] The purpose of the present disclosure is to provide a burnback energy matching control method for a digital welder and a digital welder for overcoming at least to some extent the problem of poor welding quality due to limitations and defects of related technologies
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[0045] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced without one or more of the specific details being omitted, or other methods, components, devices, steps, etc. may be adopted. In other instances, well-known technical solution...
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The present disclosure provides a burnback energy matching control method for a digital welding machine. The burnback energy matching control method for digital welding machines mainly includes: obtaining a wire feeding speed function and a welding wire diameter; determining a virtual wire feeding speed function according to the wire feeding speed function and the welding wire diameter, wherein, in the welding wire diameter When greater than or equal to the preset value, the function value of the virtual wire feeding speed function is greater than or equal to the function value of the wire feeding speed function, and when the diameter of the welding wire is smaller than the preset value, the function value of the virtual wire feeding speed function The function value is less than or equal to the function value of the wire-feeding speed function; in response to the welding torch switch release signal, the wire-feeding speed is controlled according to the wire-feeding speed function, and at the same time, the wire that matches the welding current is controlled according to the virtual wire-feeding speed function welding parameters. The burnback energy matching control method for digital welding machines provided by the present disclosure can effectively improve welding quality.
Description
technical field [0001] The present disclosure relates to the technical field of arc welding, and in particular, relates to a burnback energy matching control method for a digital welding machine capable of adjusting welding energy according to the diameter of a welding wire. Background technique [0002] Welding is widely used as a common connection method in boilers, pressure vessels, ships, bridges, wind turbine towers, oil and gas pipelines and other fields. There are many welding methods in industry, such as MI pulse gas arc welding, carbon dioxide gas arc welding (GMAW), carbon dioxide flux cored arc welding (FCAW), submerged arc welding (SAW), manual arc welding (SMAW) and tungsten gas shielded arc welding (GTAW), etc. [0003] In the related art, there are often welding quality problems caused by the mismatch between the welding energy and the diameter of the welding wire. For example, the arc is too short in the burnback stage due to too low energy in the thick wir...
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IPC IPC(8): B23K9/12B23K9/095
CPCB23K9/0953B23K9/124
Inventor 温培银张立伟王伟赵永键陈立宁
Owner PANASONIC WELDING SYST TANGSHAN