Method for improving loading shovel bucket tooth welding strength
A welding strength and loader technology, applied in welding equipment, welding accessories, arc welding equipment, etc., can solve the problems of lowering the bucket, reducing the performance of the bucket, losing the use value, etc., and achieving the effect of improving the welding strength.
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[0010] A method for improving the welding strength of loader bucket teeth, using flux-cored wire melting electrode gas shielded surfacing, the diameter of the flux-cored wire is 1.6mm, the welding current is 220-240A, the arc voltage is 24-26V, and the flow rate of CO2 gas 12~16L / min; heat the bucket teeth and side guards and keep the temperature of the parts to be welded at 300-400°C; the welding sequence is: first in the middle, then symmetrically weld to both sides; The mouth plate is welded at the corresponding position, and then the two sides of the bucket tooth are corresponding to the side guard plate from the tooth root to the tooth tip. CO2 gas-shielded arc surfacing welding of the molten electrode adopts semi-automatic or fully automatic process, and the surfacing speed is fast and the cladding rate is high; the density of CO2 gas is high, and the effect of isolating the air and protecting the welding area is very good; the thermal efficiency of CO2 arc is high, and t...
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