A double-sided alternating toptig cold wire additive manufacturing system and manufacturing method
A technology of additive manufacturing and double-sided alternation, which is applied in the direction of manufacturing tools, welding equipment, arc welding equipment, etc., can solve the problem of limiting the flexibility and adaptability of automatic TIG welding, affecting the accuracy and reliability of wire feeding, and hindering the reliability of welding guns. To achieve the effect of improving the efficiency of additive forming, improving the accuracy and reliability, and reducing the deformation of the substrate
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Embodiment 1
[0058] Made as image 3 For the double-sided round pipe fittings shown, the size of the round pipe is φ100×8mm, and the height is 500mm. The substrate material is Q235, the filler wire is ER50-6, the diameter of the welding wire is 1.2mm, and the size of the formed substrate is 300mm×300mm×15mm. The specific forming process is as follows:
[0059] First, use an angle grinder to clean the area to be welded on the surface of the substrate, and clamp it on the flange of the positioner. Rotate the positioner so that the substrate is in a horizontal position. After stacking one layer on the front, turn the positioner 180 degrees, and stack the same layer on the reverse side. This alternates and reciprocates. After stacking 250 layers, two circular shapes symmetrical about the substrate are completed. Additive manufacturing of pipe fittings.
[0060] The process parameters of additive forming are: direct current connection, TOPTIG welding current is 130A, arc voltage is 14V, stack...
Embodiment 2
[0062] Made as image 3 For the double-sided round pipe fittings shown, the size of the round pipe is φ100×8mm, and the height is 500mm. The substrate material is 5356, the filler wire is ER5183, the diameter of the welding wire is 1.2mm, and the size of the formed substrate is 300mm×300mm×15mm. The specific forming process is as follows:
[0063] First, use an angle grinder to clean the area to be welded on the surface of the substrate, and clamp it on the flange of the positioner. Rotate the positioner so that the substrate is in a horizontal position. After stacking one layer on the front, turn the positioner 180 degrees, and stack the same layer on the reverse side. This alternates and reciprocates. After stacking 250 layers, two circular shapes symmetrical about the substrate are completed. Additive manufacturing of pipe fittings.
[0064] The process parameters of additive forming are: AC, TOPTIG welding current is 140A, arc voltage is 14.5V, stacking speed is 15cm / min...
Embodiment 3
[0066] Made as image 3 For the double-sided round pipe fittings shown, the size of the round pipe is φ100×8mm, and the height is 500mm. The substrate material is Q235, the filler wire is ER50-6, the diameter of the welding wire is 1.2mm, and the size of the formed substrate is 300mm×300mm×15mm. The specific forming process is as follows:
[0067] First, use an angle grinder to clean the area to be welded on the surface of the substrate, and clamp it on the flange of the positioner. Rotate the positioner so that the substrate is in a horizontal position. After stacking one layer on the front, turn the positioner 180 degrees, and stack the same layer on the reverse side. This alternates and reciprocates. After stacking 250 layers, two circular shapes symmetrical about the substrate are completed. Additive manufacturing of pipe fittings.
[0068] The process parameters of additive forming are: direct current connection, P-TOPTIG welding process, pulse current 180A, base curren...
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