How to weld thick copper plate?
The welding methods of copper are various, and the welding methods of different copper products are also different. The commonly used methods are manual welding, carbon arc welding, manual arc welding and argon arc welding of four methods, the large structure can also be used for automatic welding.
(A) carbon arc welding of copper electrode, carbon arc welding of carbon electrode and graphite electrode. The copper carbon arc welding wire and welding can also be used as base material cutting, welding flux available copper, such as gas agent 301.(B) brass carbon arc welding, brass carbon arc welding, according to the composition of parent material selection of wire 221, wire 222, wire 224 wire, also can use homemade brass welding wire welding. Welding can use air agent 301 as flux. Welding should be short arc operation to reduce zinc evaporation and burning loss.
Because the gas flame temperature is low, the welding of zinc in brass by evaporation than when welding, so in brass welding, gas welding is the most commonly used method. The welding wire, brass wire 221 wire, 222 wire and 224, containing silicon, tin, iron and other elements of the wire, to prevent and reduce evaporation and burning in the molten pool of zinc, is conducive to prevent and blowhole weld performance. Brass welding fluxes are commonly used in solid powder and two kinds of gas flux, gas flux by boric acid methyl and methanol; gas flux as agent 301.
Welding red copper (commonly known as industrial pure copper) is the most commonly used butt joint. The welding wire, a wire containing deoxidizing elements, such as wire 201, 202; the other is the general of the copper wire and base metal cutting, using gas as fluxing agent 301
