Introduction of drawing process and construction method of stainless steel color decorative plate

I. process flow

Construction preparation, lofting, blanking, welding installation, polishing, weld inspection, polishing.

Ii. Main construction methods:

(1) site lofting shall be carried out before construction, and the lengths of various bars shall be accurately calculated.

(2) the blanking shall be carried out accurately according to the length of the protective net, and the allowable deviation of the blanking length of the components shall be 1mm.

(3) select the appropriate welding process, electrode diameter, welding current, welding speed, etc., and pass the welding process test and verification.

(4) degreasing and decontamination treatment: check whether the groove and assembly clearance meet the requirements before welding, whether the positioning welding is firm, and there shall be no oil around the welding seam.Otherwise should choose trichlorinated acting ethylene, benzene, benzine, neuter scour or other chemical medicine to undertake brush with stainless steel wire fine wool, when necessary, can use horn mill to undertake burnish, after grinding a metal surface, undertake welding again.

(5) when welding should choose a fine stainless steel electrode (wire) and small welding current.During welding, the welding spots between components should be firm, the welding seam should be full, the welding wave on the metal surface of the welding seam should be uniform, there should be no cracks, slag inclusion, welding nodules, burn through, arc pits and needle-like pores and other defects, and there should be no spatter in the welding area.

(6) after the completion of welding and assembly of the rod, the welding seam without obvious indentation or protruding larger bead can be polished directly.For the weld with concave and convex dross or large bead, the Angle grinder should be used for grinding, grinding and then polishing.After polishing must make the appearance smooth, smooth, no obvious welding marks.

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