High-nitrogen steel pressure welding device and method for welding high-nitrogen steel by using same
A technology of pressure welding and high nitrogen steel, applied in the direction of auxiliary devices, welding media, welding equipment, etc., can solve the problems of inconspicuous effect, difficulty in overcoming the loss of nitrogen element, etc., achieve reasonable composition, improve mechanical properties, weld good seam quality
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[0032] Example 1
[0033] see attached figure 1 , a high-nitrogen steel pressurized welding device, comprising a closed welding chamber 1, a gas mixing chamber 2, and a vacuum pump 3; Valves 4 and 5 are respectively set on the gas pipeline and the gas pipeline connecting the sealed welding chamber with the vacuum pump; the sealed welding chamber is provided with a bracket 6, a welding power source 7, a welding wire rack 8, and a wire feeding mechanism 9; a trolley 10 is arranged on the bracket; A cooling plate 11 is arranged above the bracket; a welding wire sleeve 12 is connected below the wire feeding mechanism; a welding gun 13 is connected to the end of the welding wire sleeve; The bracket is connected; the cooling plate is a water-cooled copper plate, the internal circulating water circuit is set as a cold source, the side wall is provided with a water body inlet and outlet, and the water body inlet 15 is below the water body outlet 16; the airtight welding chamber is pr...
Example Embodiment
[0034] Embodiment 2
[0035] A device for pressurized welding of high nitrogen steel, comprising a closed welding chamber, a gas mixing chamber, and a vacuum pump; the closed welding chamber is respectively communicated with the gas mixing chamber and the vacuum pump through a gas pipeline; Valves are respectively set on the gas pipeline connecting the airtight welding chamber and the vacuum pump; the airtight welding chamber is provided with a bracket, a welding power source, a welding wire rack and a wire feeding mechanism; a trolley is arranged on the bracket; There is a cooling plate; a welding wire sleeve is connected under the wire feeding mechanism; a welding torch is connected to the end of the welding wire sleeve; the welding power source is respectively connected with the welding wire sleeve and the bracket through the electrode wire; , the side wall is provided with the inlet and outlet of the water body, and the inlet is below the outlet of the water body; the airt...
Example Embodiment
[0036] Embodiment 3
[0037] A device for pressurized welding of high nitrogen steel, comprising a closed welding chamber, a gas mixing chamber, and a vacuum pump; the closed welding chamber is respectively communicated with the gas mixing chamber and the vacuum pump through a gas pipeline; Valves are respectively set on the gas pipeline connecting the airtight welding chamber and the vacuum pump; the airtight welding chamber is provided with a bracket, a welding power source, a welding wire rack and a wire feeding mechanism; a trolley is arranged on the bracket; There is a cooling plate; a welding wire sleeve is connected under the wire feeding mechanism; a welding gun is connected to the end of the welding wire sleeve; the welding power source is respectively connected with the welding wire sleeve and the bracket through the electrode wire; source; the airtight welding chamber is provided with a gas stirrer, a pressure detector and an observation window; a gas drying block i...
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