Super audio composite pulse gmaw power supply unit

A technology of composite pulse and power supply device, applied in arc welding equipment, manufacturing tools, welding equipment, etc., can solve the problems of poor stability, coarse welding seam structure, and easy arc interference.

Active Publication Date: 2019-04-23
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a super-audio composite pulse GMAW power supply device, which is used to solve the technical problems in the prior art that when the pulse GMAW is used for welding, the arc is easily disturbed, the stability is poor, and the weld structure is thick.

Method used

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  • Super audio composite pulse gmaw power supply unit
  • Super audio composite pulse gmaw power supply unit
  • Super audio composite pulse gmaw power supply unit

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Embodiment Construction

[0044] The present invention will be further described below in conjunction with accompanying drawing.

[0045] figure 1 A schematic structural view of the super-audio composite pulse GMAW power supply device provided by an embodiment of the present invention; as figure 1 As shown, this embodiment provides a super-audio composite pulse GMAW power supply device, including a rectification filter circuit 1, a drive signal controller (not shown in the figure), a first current module 2, a second current module 4, a third current module Module 5 and base value current module 3, wherein, the input end of rectification filter circuit 1 is connected with AC power supply, and its output end is connected with the input end of the first current module 2, the input end of the second current module 4, the third current module 5 The input terminal is connected to the input terminal of the base value current module 3, the output terminal of the first current module 2, the output terminal of ...

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Abstract

The invention provides a supersonic frequency composite pulse GMAW power supply device which comprises a rectifier and filter circuit, a drive signal controller, a first current module, a second current module, a third current module and a background current module, wherein the rectifier and filter circuit is used for converting alternating current into direct current; the drive signal controller is used for providing a first drive signal, a second drive signal and a third drive signal; the first current module is used for converting direct current into first output current; the second current module is used for converting direct current into second output current; the third current module is used for converting direct current into third output current; the background current module is used for converting direct current into background current. With the adoption of the supersonic frequency composite pulse GMAW power supply device in welding, the electrical arc stability is improved, the welding seam texture is refined, and the mechanical property of connectors is improved.

Description

technical field [0001] The invention relates to the technical field of pulse MIG shielded welding, in particular to a super-audio composite pulse GMAW power supply device. Background technique [0002] Pulsed Gas Metal Arc Welding (P-GMAW) can achieve spray transfer under the condition that the average welding current is less than the critical current, and has a wide current adjustment range. High efficiency, good penetration, small welding heat input, suitable for all-position welding and other advantages, widely used in industrial production. However, similar to other arc welding, pulsed GMAW also has problems such as prone to porosity defects, thick weld structure, and serious attenuation of joint mechanical properties compared with the base metal. Moreover, the current during pulse welding is small, and the arc is easily disturbed and stable. Poor performance has certain limitations in practical applications. [0003] With the development of ultrasonic technology and e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/10B23K9/173
CPCB23K9/1056B23K9/173
Inventor 齐铂金王强
Owner BEIHANG UNIV
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