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Pulsation welding equipment and control method thereof

A pulse welding and control method technology, applied in welding equipment, arc welding equipment, metal processing equipment, etc., can solve the problems of arc breaking and high noise, and achieve the effects of overcoming harsh noise, optimizing control, and improving arc ignition performance

Active Publication Date: 2016-07-06
PANASONIC WELDING SYST TANGSHAN
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AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a pulse welding equipment and its control method in order to solve the problems of arc breaking and high noise in the arc ignition stage of the existing pulse welding equipment when welding thin plates with a small current

Method used

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  • Pulsation welding equipment and control method thereof
  • Pulsation welding equipment and control method thereof
  • Pulsation welding equipment and control method thereof

Examples

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no. 1 example

[0026] Refer below Figure 1 to Figure 4 A first embodiment of the present invention is described. In the first embodiment, the control when the pulse welding equipment uses small current welding is described. In this embodiment, the preset current not exceeding 100A is defined as a small current. figure 1 The software structure of the pulse welding apparatus of the first embodiment is shown.

[0027] Such as figure 1 As shown, the pulse welding equipment of the present invention includes: a preset current obtaining unit, which is used to obtain the preset current input by the user; a first wire feeding speed calculation unit, which is used to combine the preset current with the main welding The corresponding relationship of the first wire feeding speed of the stage, and the preset current, to calculate the first wire feeding speed; the first base value current calculation unit, which is used to calculate the first wire feeding speed and the predetermined first wire feedi...

no. 2 example

[0042] Refer below Figure 5 A second embodiment of the present invention is described. The second embodiment describes the control when the pulse welding equipment adopts high current welding. In this embodiment, a preset current exceeding 100A is defined as a large current.

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Abstract

The invention provides pulsation welding equipment. The pulsation welding equipment comprises a preset current obtaining unit, a first wire feed speed calculating unit, a first background current calculating unit, a second background current calculating unit and a control unit. The control unit controls output based on first background current within the first scheduled period starting from switching on of a welding gun switch, and controls to enable the background current to gradually change from the first background current to second background current within the second scheduled period from ending of the first scheduled period to starting of the main welding stage. The welding quality can be effectively improved.

Description

[technical field] [0001] The invention relates to the field of welding, in particular to a welding device and a control method for welding by means of pulse welding. [Background technique] [0002] Welding equipment (also known as welding machines) has been widely used in various manufacturing industries. According to different welding methods, welding equipment can be divided into short-circuit transition and pulse welding. Pulse welding has the advantages of arc compression effect, arc concentration, and good stiffness, so it is widely used in thin plate welding (such as welding of non-ferrous metals such as stainless steel, steel, and titanium). Hereinafter, welding equipment that welds in a pulsed manner is referred to as pulse welding equipment. [0003] At present, there are mainly the following two welding methods when using pulse welding equipment for thin plate welding: (1) welding with low current (for example, the preset current is below 100A), and the wire feed...

Claims

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Application Information

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IPC IPC(8): B23K9/09B23K9/095
CPCB23K9/092B23K9/095
Inventor 苏立虎安小东孙永涛谷孝满
Owner PANASONIC WELDING SYST TANGSHAN
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