Burn-back energy matching control method used for digital welding machine

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: 2019-04-09
PANASONIC WELDING SYST TANGSHAN
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  • Abstract
  • Description
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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 digit...

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  • Burn-back energy matching control method used for digital welding machine
  • Burn-back energy matching control method used for digital welding machine
  • Burn-back energy matching control method used for digital welding machine

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Embodiment Construction

[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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Abstract

The invention provides a burn-back energy matching control method used for a digital welding machine. The burn-back energy matching control method used for the digital welding machine mainly includesthe steps that a wire feed speed function and a welding wire diameter are obtained; a virtual wire feed speed function is determined according to the wire feed speed function and the welding wire diameter, wherein when the welding wire diameter is larger than or equal to a preset value, the function value of the virtual wire feed speed function is larger than or equal to the function value of thewire feed speed function, and when the welding wire diameter is smaller than the preset value, the function value of the virtual wire feed speed function is smaller than or equal to the function valueof the wire feed speed function; and a response is made to a welding gun switch releasing signal, the wire feed speed is controlled according to the wire feed speed function, and the welding parameter matched with the welding current is controlled according to the virtual wire feed speed function. By means of the burn-back energy matching control method used for the digital welding machine, the welding quality can be effectively improved.

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...

Claims

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Application Information

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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
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