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Twin-wire vertical electrogas welding system with low welding heat input and welding method

A vertical gas-electric vertical welding and heat input technology, which is applied in welding equipment, welding accessories, arc welding equipment, etc., can solve the problems of inability to adjust welding heat input, reduce material costs, improve impact toughness, improve stability and reliability effect

Inactive Publication Date: 2012-07-18
SHENZHEN RILAND IND
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Problems solved by technology

Therefore, for vertical gas-electric vertical welding, the welding heat input is proportional to the plate thickness, and the welding heat input cannot be adjusted by welding specifications

Method used

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  • Twin-wire vertical electrogas welding system with low welding heat input and welding method
  • Twin-wire vertical electrogas welding system with low welding heat input and welding method
  • Twin-wire vertical electrogas welding system with low welding heat input and welding method

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Embodiment Construction

[0022] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] Please refer to the accompanying drawings Figure 1-6 . In the figure, the first welding power source 1, the second welding power source 2, the integrated power supply box 3, the first wire feeder 4, the second wire feeder 5, the first gas shielded welding gun 6, the second gas shielded welding gun 7, and the cooling water tank 8 , Water-cooled slider 9, gas supply device 10, control box 11, oscillator 12, welding trolley 13, main arc 61, auxiliary arc 62, composite arc 63.

[0024] Such as figure 1 , 2 as shown in:

[0025] The present invention provides a double-wire vertical gas-electric vertical welding system with low welding heat input, which includes a first welding power source 1, a second welding power source 2, an integrated power supply box 3, a first wire feeder 4, and a second wire feeder Machine 5, first gas-shielde...

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Abstract

The invention provides a twin-wire vertical electrogas welding system with low welding heat input and a welding method. The system comprises a first welding power source, a second welding power source, an integrated power source box, a first wire feeder, a second wire feeder, a first gas shielded welding gun, a second gas shielded welding gun, a gas supply device, a control cabinet, an oscillator and a welding tractor, wherein homopolar output ends of the first welding power source and the second welding power source are in conductive connection with a head end of the first gas shielded welding gun, the other output end of the first welding power source is connected with a welded workpiece, and the other output end of the second welding power source is in conductive connection with a head end of the second gas shielded welding gun, so that heat input is greatly reduced while deposition rate can be increased, the system is stable and reliable, and impact toughness of a welding line is remarkably improved. Additionally, a twin-wire welding gun oscillating in the welding line can guarantee sufficient fusion of side walls of the welding line and a welding weld crater, so that mechanical properties of the welding line are remarkably enhanced.

Description

【Technical field】 [0001] The invention belongs to the field of welding technology, and in particular relates to a low-welding heat-input double-wire vertical gas-electric vertical welding system and a low-welding heat-input double-wire vertical gas-electric vertical welding welding method. 【Background technique】 [0002] The vertical gas-electric vertical welding method based on the metal gas shielded welding technology is an efficient welding method that is very suitable for heavy metal structures, but the biggest problem with these vertical gas-electric vertical welding methods is that the welding heat input is high, and the welding heat input It is proportional to the thickness of the plate, so it greatly limits the scope of application; moreover, the increase of heat input with the increase of the thickness of the plate will reduce the crystallization speed of the weld metal, which will lead to coarse grains, which will lead to the mechanical properties of the weld. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/173B23K9/12B23K9/32
Inventor 邱光耿正王巍汪清华张利华陈刚
Owner SHENZHEN RILAND IND
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